Lawn mower surges until blades are engaged Gas is fresh, new OEM Walbro LMK carb from JD that has no Tilt the mower back and grab the blade with two hands( hold the ends) . I started it again to park it, and it ran but did the same thing when I engaged the blades again. If it's bad bearings it is a cheap and easy fix. And one for Blades Disengaged. Why? For proper engine air cooling and lubrication. Any ideas on how to fix? I don't know the schematics but I tried to bypass the seat switch by tying the wires. It starts fine and runs fine without the blades engaged. If your lawn mower dies when the blades are engaged, there are a few things you can try to fix the issue. It starts fine and sounds normal until front lawn has been mowed. I have removed and cleaned the carb but didn't find anything suspect there. So, the crooked deck is probably what is stalling out your Check the air filter and make sure the carb is clean. Also, at the point it surges, there is a You are talking about the seat switch. This can be from bad fuel, a plugged filter, a dirty carburetor, or a bad gas cap. Lawn Addict. If a belt was off the pulley or something was binding related to blade clutch or spindle, engine should still run when parking brake is released and PTO switch isn't being engaged. Neighbor brought a Toro Personal Pace (Briggs 7. Good luck :thumbsup: Last edited: 2013 / Vibration when blades are engaged #5 chucks59 said: I removed the gas cap and cleaned it to ensure the vapor hole was open. I also added a ball hitch to pull a 6x8 box trailer around the yard to collect leave, grass and garden waste. Over time, the blades on your I have a 12 year old 19. My problem is that when I engage the blades the mower bogs so bad that it pretty much stalls out. Learn more from my article “7 H4. 2. Perform maintenance every 50 hours. com : Terre Products, 2 Pack Mulching Lawn Mower Blades, 42 Inch Deck, Compatible with Craftsman, Husqvarna, Poulan, Replacement for 134149, 138971, 138498 Are you experiencing a lawn mower engine that surges and can’t seem to figure out the cause? Lawn Mower Dies When Blades Engaged: Troubleshooting Tips and Solutions. I changed the fuel filter. Thanks in advance for any help. These 4 are required for starting. If this thing had a high-speed screw on the carb, I'd just tweak that, but of course it doesn't. If a lawnmower sputters when blades are engaged, the most common issues include low gasoline levels, damaged belts, stuck pulleys, and broken safety switches. Any of these shortcomings will cause a lawn mower to rev up and down and not run smoothly. 3 years old. Disengaged blades and drove back to the garage. When I put everything Mower Squeals when Blades Engaged. Once it sounded okay, I engaged the blades. Also spin the idler pulleys. The fuel system is often the first place to look when troubleshooting surging in a lawn mower. IDEASURE 108-1125 Mower Blades for 44" Deck, 54-0010 High Lift Lawn Mower Blades Compatible with Ariens Toro TimeCutter Z ZX Z Master, Replaces 54-0010-03, 55-4940, 55-4940-03, 55-4940-09, 3 Pack 8TEN LawnRAZOR Mower Blade Set for Toro Z200 Groundmaster Z Master 44-6250 106-0629 108-1124 62 inch Deck (Medium Lift) Amazon. My push lawn mower will start when primed, then it dies unless I tip it backwards. Now I can't get it to stop surging. This article will help you understand each component’s role and how to troubleshoot common issues preventing your blades from spinning. Trying to engage the A mower that bogs down when the blades are engaged is a symptom of bigger problems with your mower. I’ve tried changing the switch, but it didn’t change the problem. Shortly I started with running jumper cables from the car to the lawn mower, no change. 3) You are engaging the - Lawn Mower Frequently Asked Questions (FAQ) Lawn Mower Surging Why does my Lawn Mower Rev Up, Down, and Quit? The three main reasons a lawn mower surges up and down and eventually quits include 1) Bad or Old Fuel, 2) Bad Sparkplug, or 3) Lack of Air/Oxygen. See if there,s any play in the spindle, by pushing and pulling on the blade , at the same time. When the blades are not engaged however, the mower runs fine. The problem is that there's too much tension on the belt and when the engine Always operate your mower at full throttle when you have your mower deck engaged. Clean or replace any dirty or damaged components. Besides, the mower also bogs down if it is thick or high grass. I believe it is an electrical issue but do not know if the seat switch or maybe the PTO cluch is bad. I have a Enduro cub cadet riding mower, and 2 days ago, i had to punched the PTO blade off to avoid an obstruction suddenly, and after that incident, the engine would surge when the PTO isn't engaged. This mower has self propel, but I do not have it in gear when it dies. Starts up fine and runs smooth. Grasscool 42 Inch Mower Blades for Craftsman LT1000 LT2000 T110 YT3000 138971 532138971 Poulan Pro PP19A42 Husqvarna YTH18542 42" Deck Riding Mower Lawn Tractor(2 Pack) MaxPower 561713B 2-Blade Set for 42" Cut Poulan/Husqvarna/Craftsman Replaces 138498, 138971, 138971X431, 532138971, 53-21278-43, 53-21384-98, Black Potential Reasons for a Lawn Mower That is Surging. Turning the blades on seems to cut the fuel to the engine and the mower turns off. Cannot for the life of me figure out what is wrong. Riding lawn mower, 2007, craftsman. Joined Jul 14, 2019 Threads 78 Messages 5,104. The blades turn freely, looks like nothing hung on the blades. The machine runs fine when the blades are engaged probably because the engine revs up. I start the mower, let it warm up a bit, throttle up, and engage the blades. Like someone stuck a banana in the tailpipe. I previously did have a short in the clutch pigtail wire but taped it previously, but just got a new wire yesterday to confirm it was not the issue. Remove the blades and be sure no rope or twine has gotten twisted around the spindle. 2nd Repairman: All is well with blades cutting until about 10 minutes, then blows fuse. My mower will run fine while the blades are engaged, but when the bail is released and the blades stop, the engine will sit there and surge. are and unhooked and reconnected things under there. Solution: Scrape the mower deck using a deck scraper or wire brush until the deck is clean. At next start up it was the same. Poor Throttle Assembly: The lawnmower’s throttle is a part that manages the engine’s speed. Poor Throttle Assembly: The lawnmower’s throttle is a part that Surging in a lawn mower typically refers to an erratic engine speed, fluctuating between high and low revs without a smooth, consistent output. When just traveling without the blades engaged no backfiring occurs. This has been going on for over a year now and I cannot see any reason why this suddenly started happening. Any suggestions possibly the PTO going out. Before performing maintenance I noticed a slight hesitation when I engaged the blades. When a mower deck shakes or vibrates when engaged, it could be due to several reasons. Have Bad Boy Zero turn that runs fine up to speed until you engage the blades and then slows down like trying to mow in high grass to almost barely moving. This X300 tractor/mower is about 6 years old and has been running fine until very recently. Lawn Royalty. Any ideas? - Hello Artemjemmy, I'm not sure I'm understanding your question. Here are some common causes and Parts Camp GY20850 Lawn Mower Blade for John Deere d130 Blade 42 inch Cut GX22151 GY20850 AM137333 AM137328 AM141033 John Deere d105 Blade 2 Pack wyevee GX22151 One of three blades on lawn mower very loose and spinning freely. 5 hp craftesmen riding lawn mower that runs at high and low ideal when no blades are engaged but now when i engage the blades the motor stops running. Lawn Care Forum. I had a difficult time staring the engine (I lost count of how many times I had to pull the cord). Full throttle there is an intermittent miss, and does not feel as strong as a 26hp twin should. It seems like the governor Hello All, Mower: Honda HRX217K5HYCA It's the model with the blade clutch, when the blades are engaged, Lawn Pro. Same sputter and had to engage choke to keep from dying. Sometimes the most common problems are easily avoidable one-time issues, while others result in more in-depth evaluations. . Past and Future Purchases even cut every time, whether you’re engaged in commercial mowing or you’re out in your own back yard. I bought the display model in '99 with a 3 bin bagger and added a box grader to excavate the patio a few years back. Places Your Snapper Mower May Be Leaking Gas Blades Won’t Engage. When your ride-on mower cuts out with engaged blades, it may be due to an engine overload. I use to be able to mess with the choke to eliminate this and it would puff smoke then run correctly. Usually, if I disengage the blades it will stay running and dies more if blades are left running. 99/month. Anyone have a suggestion where to go from here? sidenote, i bought this mower from a friend who sold it for this reason because he had 2. To understand why your lawn mower surges, you need to know the common reasons for it. 1M posts 220K members Since 1999 Overview: Husqvarna riding lawn mowers have a few key components that need to be in working order for the blades to engage. Blades should be engaged at 1/2 to 3/4 throttle for all exmark machines with electric clutch. Firstly, check the fuel level in your mower. I have cut the tip off the solenoid and no change. However, that safety switch is unplugged! The reason I unplugged it is that the entire lawn mower would shut off if you stepped off. Skip to content. com : Terre Products, 3 Pack High Lift Lawn Mower Blades, 50 Inch Deck, Compatible with Poulan PP20H50J (Renews Monthly Until Cancelled) $16. mower starts and runs fine but when u push the roto stop handle down the mower dies A normally functioning lawn mower should be able to run flawlessly until you’re done with your landscaping work. It seems to run well otherwise. I forgot to mention that this was only a problem until it warmed up. Nov 2, 2020 / Murray stalls when blades engage #2 So while you have the belt off turn the blades on If the mower dies Now the mower vibrates terribly when blade is not engaged but vibrates much less when the blades are engaged. Craftsman mower dies when blades are engaged. What’s wrong with my lawn mower? - begging for help Now, when I am mowing in 1st gear and engage the clutch and shift to 2nd, as soon as I release the clutch the mower will die. I have a troy bilt bronco model 13yx78kso11. Unfortunately, the engine will sometimes die which means you won’t be able to use your lawnmower until it’s fixed. After the mower dies I was able to start it right Inren Replacement 04771200 Lawn Mower Blades Compatible with ARIENS IKON X, IKON XL,Fits for Gravely ZT X, ZT XL for 52" Deck Lawn Mower Blades,3 Pack 8TEN LawnRAZOR Reinstall blade securely and test run mower. Recently, when the blades are first engaged, it has been intermittently killing out. com : Terre Products, 3 Pack Mulching Lawn Mower Blades, 46 Inch Deck, Compatible with Cub Cadet We also cover electrical and mechanical malfunctions, power surges, and wear and tear. It was running good until it was parked on an incline. TERRE offers replacement Engine shuts off when blades are engaged on bad boy mower. Yes this is the FR600V. Everything seems to run fine until the blades are engaged. I heard it might be the safety switch? All three blades, all three spindles and the two belts (drive belt and blade belt) appear to function normally which would NOT suggest a mechanical fault. Now its blowing out white smoke and when the blade is engaged it runs I have a husqvarna yth22v46 briggs and stratton engine 44n677. If your lawn mower dies when the blades are engaged, there are a few things that you can check to troubleshoot the issue. com : Terre Products, 3 Pack High Lift Lawn Mower Blades, 48 Inch Deck, Compatible with John Deere L120, L130 (Renews Monthly Until Cancelled) $16. Mower runs fine, and has plenty of power. With the spark plug wire removed and the bar engaged, the blade turns freely. bodean Member. JD JX-75 walk behind with a Kawasaki FJ180V 6. New filters, oil, plugs (10 hrs ago). I only mention it because sometimes, out of frustration, simple things get missed. Engine will surge to the point of backfiring and eventually die. DO NOT OERATE If your lawn mower bogs down when the blades are engaged, there could be a simple solution to get it running smoothly again – dull blades. Balance blade after sharpening for equal weight distribution. The linkages or cable on a manual engagement clutch may be worn or the battery may fail to power an electric clutch solenoid. Joined May 5, 2012 Threads 6 Messages 47. Put new belt on checked spindles there good, after blades are engaged will more for a few minutes then motor cuts off can crank mower and it will mow some more but keeps cutting off please help, thanks. To test if you have a deck problem , remove the deck belt then engage the blades . However, many users also experience problems, especially with older mowers. You can start the exmarks without being in Please tell us more to help narrow down what the problem is. Simple test is to start the mower, set the parking brake then lift your butt off the seat . No luck fixing. I restarted it and let it run a while longer before I tried to engage the blades. It is terribly frustrating when the lawn mower loses power when the blades are engaged. Surges until blades are engaged then runs good. So I went out and did what you suggested and have some good/bad news. Learn more This tractor is nearing 11 years old. Use weighing scales or blade balancers from hardware stores. Whether you have an old mower, new mower, tractor mower, or zero-turn, you can run into the problem that the mower blades won’t disengage. It seems to run fine unless the blades are engaged then bogs down and blows a bit of black smoke out the muffler and blows a bit of gas out the carb when the pto is engaged. If you are running your mower at full throttle and your engine isn’t giving you the power it once did, take your mower to your local small engine mechanic to have it checked out. By chatting and providing personal info My mower, runs great, until i put it in gear or engage the blade, then it dies. Runs great in idle, dies quickly when bar is engaged. choke, etc. Repair Instructions: The Power Take Off (PTO) clutch in your Huskee / Husky lawn mower is a crucial part that allows you to manually disconnect the engine from the blades. com : Terre Products, 3 Pack Medium Lift Lawn Mower Blades, 54 Inch Deck, Compatible with John Deere GX21380, GY20679, GY20684, GY20686, John Deere 100 Series Clean a lawn mower paper air filter: Turning dull mower blades through this debris makes the problem worse. Started the engine and noticed it didn't sound right. It ran fine until I disengaged the blade lever. The mower shuts off in the same exact way when I touch the blade engage lever as if I were to rise off of the seat to cut the May 17, 2016 / Kohler Command 22 HP surges and dies #1 This The solenoid was gunked shut, I cleaned it out and now it's working properly. Blades are engaged even when PTO handle is not. Have a 48" Quest (2006 model) and after about 20-30 minutes of mowing the engine starts to surge I guess is what you would call it. Engine stops = mower problem Engine continues to run = deck problem Amazon. Added 5 gallons of 100% unleaded gas purchased about 3 weeks ago. It's been a real workhorse until last week when it started on only 1 cylinder. I have used fresh gas and used a little seafoam, but since the engine runs fine when the blade is engaged, it just seems to me that this is not a fuel issue. The mower is rough start but when it starts it idles and rides fine. I have also taken the carb bowl off and it was spotless. Joined May 23, 2011 Threads 92 Messages 5,705. If I go up at full throttle, it almost stalls out. When PTO is engaged, it runs smoothly. The vapor hole is clear and the cap is clean so I reinstalled the cap and ran the mower. When the blades are disengaged, that's when it starts surging. Source: The Lawn Mower Guru 1. Plus, with a selection of budget-to-premium models, Husqvarna is popular with everyone. When it starts with the blade not yet engaged, it surges wildly. Learn from the DIY experts at Sears Parts Direct on how to fix a surging lawn mower. Removed blade, cleared some built up grass etc. @MasterMech It surges at low and high ends. Any help is Removed carb, checked the linkage all looks good. Gas cap is vented and free. Fix: The first step is to remove the grass from the inside of the mower deck. Engine started sputtering due to low gas. Why does lawn mower sputters when blades are engaged? This is my first Lazer, it has been running fine lately then all of the sudden when the PTO is engaged the motor bogs down and dies. Basically the seat switch , the PTO switch & the magneto are in a closed loop. It's actually the belt that came with the LA125 when it was purchased. 2021. Once the blades are on, the motor starts bogging down and sputtering and losing power. It surges with blades engaged. Many people experience this frustrating issue, and there are a few common causes to consider. Over time, the blades on a mower deck can become imbalanced, resulting in vibrations when engaged. Learn more Select a plan . All that did When I go up a hill with the blades engaged, it bogs down. Amazon. Weak or Damaged Ignition Wires: The ignition wires transmit electrical signals from the ignition coil to the spark plugs. The blades are not engaged. By Steven Stewart February 25, 2024. He felt that the reason the engine had run too fast was because it had been drawing too much air. I found some on one of my blades after only a couple hours of mowing. This oil in the carb thing is not one time; it continues to occur with use of the mower. This can be caused by a If your lawn mower surges while cutting grass, it could be due to a dirty or clogged fuel system, a worn-out spark plug, or an issue with the carburetor. I added fuel additive to the gas several times. Mowing is not often but enough that we did maintenance when scheduled hours on the counter passed. Scag dies when blades are engaged. The mower blades on a Snapper mower may fail to engage when the deck belt is worn or has fallen off; the PTO switch is bad, or the clutch failed. Though Best lawn mower blades for mulching; Best grinder disc for sharpening mower blades; FAQs Why does my Husqvarna riding mower shut off when I engage the blades? The riding mower may shut off when you engage the blades due to a partially closed grass bag, misaligned grass box, loose grass bag sensor cables, a dirty carburetor, a faulty grass bag When Riding Mower Blades Won’t Engage? (Fixes Included) To troubleshoot and fix the issue of riding lawn mower blades not engaging, you can try these following methods: 1. Lawnmowers, for many homeowners, are like a best friend. In order to address this issue with the Engine is a CV23S-75590 that is brand new which served as a replacement for a 25hp Kohler that was on a Great Dane Chariot w/61 inch deck. B. When Riding Mower Blades Won’t Engage? (Fixes Included) To troubleshoot and fix the issue of riding lawn mower blades not engaging, you can try these following methods: 1. Secondly the carb runs 90% on the starting jets until you put a load on the engine by doing things like going up a hill or engaging the blades. One possible culprit is a dirty or clogged air filter. You can't get off the exmark with the blades on or it will shut down. The mower shuts off in the same exact way when I touch the blade engage lever as if I were to rise off of the seat to cut the I think I'd double check for free movement of the mower blades with the deck belt off. This is regardless os what position you put the throttle lever in The mower ran out of gas almost simultaneously. Here are some potential causes and their corresponding fixes: 1. I’ve run into this situation myself a couple of times, either after finishing a cut and wanting to turn the blades off or when trying to start my lawn mower and the blades are already engaged. I have a MTD Yardman, and the blades won't stay engaged. All is well until I either disengage the parking lever or engage the blades. My 23 hp Husquvarna riding mower started surging/hunting mid mow. I began mowing today, and after about five minutes, the same thing happened. The blades are new, the air filter is good. Sharpening the blades will help to reduce the noise they make. My lawn is quite long right now, and when i was mowing yesterday I took a turn and the mower made a squeaking noise, then emitted thick white smoke. My best guess is that the shaking is due to something hung up or out of alignment. Thanks for the help! I have a Scag tiger cub STC52A with the honda24 hp engine. I know you know gas is required to start a gas-powered mower. Riding mower sputters & back fires when blades are engaged [ 2 Answers ] My 2002 Scotts 1642h lawn tractor stalls sputters chokes & backfires when blades are engaged but will operate at low speed or w choke on and resume running smothly when blades are disengaged. I attempted to engage the PTO with the battery charger in place with no avail. The blade kept running eventually slowing down and then shutting off the mower. But if I engaged the blade lever when I pulled it would start but the blade stays on. At that point, the engine died. 160 hours on machine. It baggs leaves real well. For example, problems Please join us to learn about this case. 1) It is not receiving enough gas or the motor isn't warmed up enough. The other day I replaced all the fuel lines on this mower. (out of Take the belt off move the blade engage lever to engage so the the blade brake will move off the pulleys. Turned out that one of the Bearings in the Spindle actually was Amazon. A qualified technician can diagnose the problem and perform any necessary repairs. Let’s try to see how wide your lawn mower knowledge is, maybe you will get more experience to avoid the risks to your lawn mower. After mowing for 20 minutes, I disengage the blades to move something. I can't quite tell if it is cutting out electrically or fuel related but it seems electrical to me. As in 3200 to 3600rpm per your engine/mower manual at all times. Then set the lawnmower on a higher level so you do not cut as much grass. 2017 Mechanic's Assistant: How long has this I'll try to keep this short - A neighbor has a new Snapper 33" 33175 BVE rear engine riding mower. The idle fluctuates a little but Im guessing thats just due to old gas. Faulty PTO Clutch The PTO clutch connects the engine to the blades of a riding lawn mower. The CC deck spindles should rotate absolutely freely, easily with a one finger spin, with no tight spots. 2) You are not pushing in on the clutch when engaging the blades/lowering the deck or not pushing in on the clutch far enough. Any advice on identifying and correcting this problem would be If the mowing deck is engaged and the unit is in reverse, the mower will shut down as part of a safety feature. If the bearings are shot, you'll feel the blade move too far. Solution: Inspection and Cleaning: Thoroughly inspect the fuel lines for kinks, cracks, or blockages. They are not turning at full speed, but they're turning fast enough to blow dirt everywhere. You may not have a large enough mower if your grass is Sounds like your lawn mower is totally fine when the blades are not engaged, so it’s not an issue with the engine. Also the blades should be out of the grass and disengage at 1/2 to idle throttle. The mower runs great when the blades are not engaged and even with the blades engaged, runs great until out of the blue the pinging starts. Until I did that the engine wouldn't run at all. I have placed a battery charger on it and assured a good charge. But then after 20 feet of moving at speed (and even worse when blades are engaged) the motor quickly starts winding down to about 20-30% rpms (or so it feels) and barely mows. I am not familiar with Scag wiring but from memory there is a relay in the system as well. Trying to engage the blades in tall or wet grass can also cause the mower to die. Its riding lawn mowers are one of the most popular in the USA. Why does lawn mower sputters when blades are engaged? You have dirt in the low speed circuit of the carb. It may also help on I didn't realize until I just started pulling the assembly apart. Black smoke will come out during that time as well. I received it as salvage so I don't know if this is a normal condition. I returned to the barn and Then remove the blades and put them together to inspect for bent blades. I have a Toro Recycler 20333 lawn mower that starts on the first pull but is surging at idle. The good news is that if I just keep the ignition in "reverse" mode the blades stay engaged while mowing forwards or backwards (I'm sure this is obvious to you guys but to be honest I've never even paid attention to the the "reverse" I have a 4 year old Z254. When energized, it engages the drive belt, which drives the blade rotation. Investigating the Fuel System. I installed the cap and ran it with blades engaged for about 5 minutes. Q7: How can I prevent my lawn mower blades from failing to engage in the future? Check the lawn mower’s bottom if there is any caked grass or dirt on the mower’s deck. I have tried cleaning the carb and several other things. Mtd 38" riding mower. I probably should've drained it out but I threw in some fresh gas to dilute it. I’ve run into this situation myself a couple of times, either after finishing a cut To balance my blades I simply purchase ball bearings with the OD the same size of the mounting hole on my blades and mounted the bearings on a long 1/4 inch bolt which I mount in my vice then place the blades on the ball bearings to balance. It starts up fine. What Are The Reasons For The Mower Losing Power When Blades Engaged? When your mower loses power when the blades are engaged, it can be attributed to various factors. May 6, 2012 / Briggs & Stratton 22hp running issue #4 You pull the PTO switch to engage the blades and nothing happens. Joined Nov 2, 2011 Threads 97 Messages 1,791. Home; Lawn Extra Cautions to Revive Mower Dying When Blades Engaged. An insufficient engine oil level, clogged deck, and dull mower I have a JD D110 and the motor surges up and down through all throttle positions. Do this just to diagnose the problem and using extreme caution. Related Posts: Why my mower loses power when blades are engaged? Why my lawn mower bogs down when blades are engaged? Why my Husqvarna mower dies when blades are engaged? There are several reasons why lawn mower shakes violently when blades engaged! By reading this troubleshooting guide, you will not only able to identify the causes, symptoms, and effects of a shaking lawnmower but also be capable of fixing the shaking and vibrating issues of your lawnmower. When you click on links to various merchants on this site and make a I have a husqvarna yth22v46 briggs and stratton engine 44n677. The blade still spun free but just not as free as it should have been. Already replaced air filter, gas filter and spark plug. Most Common Solution. Good luck :thumbsup: Last edited: 2013 / Vibration when blades are engaged #5 chucks59 said: In a nutshell, a lawn mower uses gasoline or propane to turn an engine. It's starts acting like it is cutting real tall grass and bogs down and then eventually dies if I don't disengage the blades soon enough. I googled the engine, Briggs & Stratton 128T02-3256-B1 and found another person reported the same thing on a different forum (this forum won't let me include the link). Dull Blade. When your mower loses power when the blades are engaged, it can be attributed to various factors. I just removed the gas cap and pulled it apart to clean it. What else should I be looking for? Removed carb, checked the linkage all looks good. The mower has been sitting a lot, new battery. Lawn mower surging is often caused by issues with the fuel system, ignition system, or air intake. (before commenting/reply, please read the items I have replaced and checked already. Pulled deck, swapped blades and greased up the jerks on each pulley above the blades. When the blades are engaged, the engine comes under a heavy load, much heavier than just going up a hill at 5mph. The mower bogs down, although it is under load. Loss of Power Under Load: The lawn mower may struggle to maintain a steady power output when mowing, especially on inclines or thick grass. Motor runs great, after blades are engaged for a little mower quits. If a lawnmower sputters when At idle the engine slows down and picks up (surges). It’s out of capacity. Deck spindles spins freely and belt replaced. There is spark from both cylinder plugs and carb has been replaced as well. When re-engaging the blades, it makes a rather loud screeching noise only for a moment, and then everything sounds fine again. Seeing you are the person fixing it you will have to check everything that has to do with the mower blades spinning and I am sure you will find something. Answer: Your Husqvarna lawn mower may be surging due to a clogged fuel filter or carburetor. It was surging before I did this work. If the switches ( both parking & Seat ) are working properly then the engine will continue to run . The engine sputtered and died with the blades engaged. thanks The mower starts great and the engine is solid. Smooth as butter. If Whether you have an old mower, new mower, tractor mower, or zero-turn, you can run into the problem that the mower blades won’t disengage. 0 Quantum) with the blade clutch feature. Engine starts tractor moves but when you engage blade (PTO switch) the engine dies. Fuel filter flows freely. It made no difference - the engine died as soon as I engaged the blades. After replacing the belt it did seems to have help as the mower now drive great, but once I lower the mowing deck and engage the blades the Mower losing power when blades are engaged is a common problem that can be frustrating when trying to keep your lawn looking nice. If I stop, and wait a few seconds the blades will start working again until I start moving again. 75 HP motor, brand new $130 carb. If you need more help, check out the Your Toro lawn mower starts then dies when the engine doesn’t receive sufficient air or fuel flow. When I engage the blades everything works as it should until I start moving, then the blades will start losing power and then stop all together. Also this only does it when the engine is warm. I was planning to do a final Fall cleanup last week. Disengage blades and surges again. Here are some of the Whenever the blade is engaged, the gov. If I let the engine cool for an hour and try again it will last another 10-15 minutes before the issue reoccurs. I have had it for several years and it has given me relatively little trouble - until now. ) Issue: FR691V V twin motor starts up fine Remember, troubleshooting these common causes can help you identify and resolve the issue of your Husqvarna zero turn mower shutting off when the arms are engaged. This machine runs fine until the blade is engaged and then it will nearly shake your teeth out ! We loaded it up and took it back to the dealer - the head mechanic rode it for a couple min. 0. It is fairly responsive to changes in throttle. The engine is a kohler courage 19 hp Its riding lawn mowers are one of the most popular in the USA. If blades are engaged fuel spray coughs out the carburetor and it chugs down and dies. Here, one of the most common issues is that the mower dies when the blades are engaged. When I first started working on it, it would engage the blades Reasons and Fixes Mower Deck Shakes When Engaged. The engine nows runs well and starts well until the blades are engaged and then it runs too fast and has to be throttled back. What to do next confused and need help!!! Thanks in advance I just purchased my 4th lawn mower brand new, which is a 26 hp Bobcat Predator Pro liquid cooled. The most common reason is that the blades are dull and must be sharpened or replaced. Your mower will bog down and sputter when it is not operating at a high engine speed. Symptom - mower will operate fine for about 15 minutes where it will gradually begin to surge. got any suggestions ? 4) My second mower repair guy has not been able to fix this 20 amp fuse blowing issue: 1st Repairman: You need a new PTO Clutch, short in clutch, so purchased OEM Briggs and Stratton PTO Clutch for $250, same result. When I engage the blades the belts seem to hop around a bit before the blades get going but, when they start spinning all seems fine. It's a 2019 Cub Cadet XT1, LT 50. There are several possible reasons why your lawn mower is losing power when the blades are engaged, and this troubleshooting guide is here to help you identify and fix the The most common causes for a mower to stop when blades are engaged include the mower being in reverse, faulty safety switches, bad fuel, or clogged fuel lines. If any one grounds out the engine dies. Spark plugs are dry. A 2'nd Operator Presence switch senses Reverse, and kills the engine if Reverse is selected while the blades are engaged. Everything sounds fine so far. otherwise it runs fine. Tried several known good & clean (one brand new) carbs & still happens. Why Is My Riding Mower Making Noise When Blades Are Engaged? There are a few reasons your riding mower might make noise when the blades are engaged. Check for crankshaft interference or damaged connecting hardware. Exmark mower blades won’t engage or turn due to a worn or stretched mower deck belt, a worn tensioner arm, and spring, a bad Lawn Pro. Is your lawn mower giving you trouble? You’re not alone. Check out my youtube channel for lawn care videos and small engine repair! https: You never learn anything until you admit The said with the blade off the mower, using a bolt through the center hold of blade hold the blade up and a perfectly balanced blade would remain horizontal but if the blade was I was mowing, disengaged blades and drove to different section of yard. Jul 12, 2013 / Honda HRR2163VXA runs but dies when blades are engaged #2 slodime said: Honda HRR2163VXA runs but dies when blades are engaged. Also look at the covers over the pulleys they could have got bent and rubbing the pulley. Now when I mow, the deck shakes violently when i engage the blades. Lawn mowers can be finicky, sometimes causing weird noises or completely malfunctioning. Engine Problems: Worn engine parts, like a worn piston or valve, can cause compression issues, leading to erratic engine operation. If I disengage blades and pull back the controls to a stop, the rpms pick back up and she idles/sounds normal again. Does the belt just need time to streach or is something amiss? Customer: When blades are engaged on 54" zero turn it cuts for several minutes then engine sputters and eventually dies unless I disengage the blades. The engine will bog when the PTO is engaged. I recently purchased a circa 2000-2001 White Outdoors LT1650 hydro lawn tractor. The mower only has 38 hours on it, but I’ve had for 4 years so warranty is This is for a 2015 model - always run pretty well, but last year there was a lot of vibration when the blades were engaged - you can see the belt vibrating a lot, especially on 173920 High Lift Mower Blades Compatible with Hu sqvarna/Craftsman/Pou LAN 48" Cut Deck, 180054 Mower Blade Set Fit for YTH24V48 YTH2348 Lawn Mower, Replace 532180054, scag sw36-13ka, kawasaki fc420v. It is an electric blade engagement and anytime that I try to engage them the motor can't keep up and dies. But when the bail is pulled thus engaging the blade, it runs great (3200 RPM). I've checked the spark and all is good. The mower is running good under load because it is drawing fuel from the high speed jet in the carb, but once you remove the load and try to run at idle, the small blockage in the idle What Are The Reasons For The Mower Losing Power When Blades Engaged? When your mower loses power when the blades are engaged, it can be attributed to various factors. Not sure if its been reset before or if one hour equals a specific amount of time. The engine may be receiving too much fuel, not enough fuel, or an When a lawn mower surges, it sounds as if the engine revs up and down. The belt that drives the mower blades bit the dust tonight and I replaced it with a spare. I tried to get a video but could not replicate the problem by the time I completed the lawn. Here are a few possible reasons why your mower might stop when the blades are engaged! The most common causes for a mower to stop when blades are engaged include the mower being in reverse, faulty safety switches, bad fuel, or clogged fuel lines. Engaged the blades, and after a big power drop, they started running. It does this whether the deck is raised or down. I think the guy I bought it from had it rigged to work with the shorter belt but when I put the new spindles on I messed up the rig he had on it I just need to get it working proper. Drained gas and replaced with fresh gas. Before reaching for your tools to pull off the carburetor, it’s best to rule out any other potential reasons that may explain why your lawn mower is surging. Some google searches have turned up few troubleshoots. 7. Fixed a few minor things up front but got it out on the lawn the other night and discovered that when I have the PTO for the blades engaged and I have the forward motion pedal full on then the engine starts to sputter and will die unless I back off on the pedal. It surges at all speeds and the blade engagement does not seem to matter either and it sounds like it might settle down every once and a while, for about 10 seconds and then it starts the Lawnmowers, for many homeowners, are like a best friend. lever drops completely and remains there until I either lift it by hand, If you have this air filter, start the mower and remove the air filter and see if it smooths out. At high speed misses very slightly, when blade is engaged, misses and surges very badly. If your lawn mower is making a squealing noise when you engage the blades, it’s likely due to a mechanical issue. When I begin to turn the blades on you can hear everything working but when it gets fully engaged it shuts down. A normally functioning lawn mower should be able to run flawlessly until you’re done with your landscaping work. This is a common problem among lawn mower owners and can have several. Any of the issues are only happening when the blades are running, if the blades are not running all gears work and it runs great. After you are done with the above things, here are the things to check: The air and It runs better for a little longer after I clean it, but it still will get into the choke/cough/die routeine after about 15 minutes instead of immediately when the blades are first engaged. Problem is, when I engage the blades it dies immediately. How can I fix a surging Husqvarna lawn mower engine? Answer: To fix a surging engine on your Husqvarna lawn mower, start by checking the spark plug for any deposits or damage. I'll usually refuel for the backyard and it starts right up but still surging until the blades are engaged, then the engine runs evenly until the blades are again disengaged. The engine seem to Once I got the mower to my house I can now no longer get the blades to engage. It may also be the result of overworking the engine due to a fast ground speed, low engine speed, plugged mower deck, or dull mower blades. Joined Nov 29, 2014 Threads 65 Messages 24,995. When you look at disk below where the blades attach, it no I have a Cub Cadet XT1 (LT50) that keeps dying after I’ve engaged the blades for about 15 minutes. Replace the Fuel Filter: Always replace the fuel filter regularly, Here are a few possible reasons why your mower might stop when the blades are engaged! The most common causes for a mower to stop when blades are engaged include the mower being in reverse, faulty safety switches, bad fuel, or clogged fuel lines. Empty Gas Tank. Mower is about 15 years old HRR2165VXA GVC160 engine Recently mower was more difficult to start and was surging when idling (when the blade wasn’t engaged). Here is the issue. Try cleaning or replacing these components to resolve the issue. no matter what i do everytime i It does not do this when the blades are engaged. Blades won’t stay engaged Cub Cadet ZForce L60 zero-turn mower. The left handle that engages the parking brake is a bit loose, and I can't figure out how to tighten it. Suspect it might be an issue with one of As a result anytime the PTO is engaged the mower thinks its in reverse and the engine with snowblower i notice i have to have rpm up higher than with lawn mower. When I engage PTO handle the spin faster. Start by checking the air filter and cleaning or replacing it if necessary. My suspicion is that if there was a gas problem to the effect that there is not enough power to turn the blades, then the mower would not shut off so immediately when the lever to engage the blades is just barely moved. Just changed deck belt, blades, and PTO cable and now as soon as I start the mower blades are spinning. It started too get a little worse. I spray cleaned carb with choke cleaner. Imbalanced Blades. I repeated this one more time and then gave up. It should be tight. Sep 25, 2020 / Honda HRX Surging and Popping #3 If it is still surging, carb is still dirty or a Huskee / Husky Lawn mower blades won't engage: Common Causes & How to Fix. The mechanism looks simple Amazon. As soon as I pull up on the PTO to engage the blades the mower dies. Cleaning or replacing the fuel system components, installing a new Is your lawn mower engine suddenly surging? Don’t worry, you’re not alone. The main cause comes from an uphill lawn and the wrong operation. This includes the blade engagement lever, the PTO clutch, and the electrical system. Any suggestions? It’s a very good mower and for its age I’ve never had an issue with it until now. My husband replaced the fuel line after he discovered it was leaking. Lawn Pro. It takes it a minute to start doing this and it gets worse the longer it runs. Let’s explore some of the most common causes: 1. EricN. So, don’t wait until something goes wrong; invest in preventive maintenance and keep your equipment running at its best. Hi we have a John Deere LA 105 and are having some problems. I nursed it back in my yard moving the choke as needed to keep it running until it died. When I begin to turn the blades on you can hear Common Reasons for Lawn Mower Surge. Changed oil,changed plugs ,changed air filter,washed ,air tires. Avoid mowing wet or damp grass as it is more likely to form clumps and stick to the mower deck. After 5 minutes with blades engaged the engine spit and sputtered and rpms dropped so I pulled the choke up to keep it running until I could park it at which time it died. My Timemaster started to develop an engine surge when idling. Engine runs rough then stalls when PTO is engaged. Now spin the blades if they spin and make noise then you need new bearings. Had a couple of missed fires, but didn't think much of it. Add Protection even cut every time, whether you’re engaged in commercial mowing or you’re out in your own back yard. I cleaned the carb and it seems good shape, pulled the plug, and it seems fine as well. just got it running and tried to use it for the first time and when i went to engage the blades the mower dies. I took the belt off of the engine I have an old Craftsman Zero Turn lawn mower. But, when I disengage the blades to empty the bag, the engine surges pretty bad. 1 Lawn Mower PTO Clutch. A Cub Cadet lawn mower begins running rough when the engine isn’t getting sufficient air, fuel, and spark due to a plugged air filter, stuck choke, clogged fuel line, plugged fuel filter, dirty carburetor, bad gas cap, or dirty spark plug. I have now changed jets, filter, fuel pump, and cleaned carb to new looking. Most MTD's have a bypass plug located on the shift lever cover, for If your mower engine is a Honda or Kohler, the fix is simple. It seems to me that the mower is receiving some sort of safety signal that dictates the motor to turn off when the blades are engaged, just as it normally should if it was not sensing an occupant sitting on the seat. The blades won’t spin under the deck. Briggs states max service life and durability when ran at max revs. The mower "thinks" you are not in the drivers seat so shuts down when the blades are engaged so you don't cut off your own foot. Lawn Mower Safety Thanks for the response! I had an opportunity to test it, and the engine still stalls with the cap loosened after it starts to surge. This is Why Your Lawn Mower Starts Then Dies 1. Therefore, a lawn mower sputters and dies out is usually a surefire sign of engine failure. 10. 21. Self propelled mower Many items listed above not only can cause a loss of power, but it can also cause your lawn mower to overheat and cause extensive damage to your engine. Jump to Latest They will run okay until you put the blade load on it and if it is on one cylinder it will really struggle and drop major rpms. The carb has been cleaned thoroughly, new fuel filter and plug. Here’s a breakdown of the common culprits: I removed the gas cap and cleaned it to ensure the vapor hole was open. We've replaced all the filters and fluids and spark plug. Jul 13, 2017 / Engine starts fine, but stalls out when put in gear or engage blades - Suggestions #3 Blades + reverse (optional) As your mower stops when Mower Bogs Down When Blades Are Engaged – What Is The Cause? There are many different causes of your lawn mower getting bogged down even when the blade is engaged and working. Q6: What if my lawn mower is still not engaging? A: If you’ve checked all the common culprits and your lawn mower blades are still not engaging, it’s time to seek professional help. I took air filter housing off and cleaned the carb and all the levers and connections near it with carb cleaner spray (worked great) as it had a lot of dirt and gunk on the exposed parts. It seems to do better if the I got this craftsman mower with a chinese engine on it (420 CC) and changed the carb on it, now when i engage blades, it shuts off on me. Any help is The mower does not smoke when the blades are not engaged. Check the fuel tank for fuel and fill it Once it sounded okay, I engaged the blades. Sharp The weird thing is that if I am cutting the grass on the septic mound and the lawn mower is angled towards the left side, [opposite side from the oil cap] it runs perfectly. I don't see anything under the mower deck, and all the blades will turn together when I move them manually. Someone mentioned a bad load spring (the load spring looks okay). Runs a little better without the air filter but not great. You can engage the blades with the brake on There is also the switch on the sticks when they are out or in. it's a bad boy ZT elite as the tile says it runs fine until the deck starts then the whole mower shuts off. Lawn mower blades are not universal; each type of lawn mower has its own specific blade designed to work best with that particular mower. An object or obstruction (such as an ant hill, clump of matted grass clippings or large tree branch) is jammed underneath the cutting deck or in the cutting deck drive system preventing the moving parts from engaging properly. The mower gets much quieter and while the engine is still running, blades are still engaged, and cutting, the blades aren't cutting as cleanly and grass is getting thrown around rather than sucked into the bags. Developed problem suddenly this week. Honda and Kohler’s surging is commonly caused by a blocked idle jet see “Gas starvation” towards the end of the page. Mower will run fine if blades are not engaged Mechanic's Assistant: What's the brand and model of your engine? How old is it? Customer: 24 horsepower Kohler twin cylinder. They’re tools we rely on!That’s why a sputtering mower can be a nightmare for people who get attached to their lawncare equipment. I have an old XT3000 mower. Troubleshooting Solutions For Grass Box Consult equipment operator’s manual and read safety instructions before operating or servicing any mower or equipment or attempting any task. Tall grass will cause the issue to happen much sooner. It finally did start and I let it run for a minute or so. I've replaced the seat switch and the PTO. I have run Seafoam through the fuel system and carb. Tried to restart, same thing. Damaged or worn wires can lead to weak sparks and Lawn Royalty. Every time I try to start it the blades automatically engage. When I engaged the blades nothing happened so I figured the belt slipped. Just think on a mower with a dirty air filter or no valve adjustments ever, trying to dead start 2 or 3 blades at anything under 3/4 throttle. The backfiring started recently clearly after some repeated days of very tough mowing. It will start back up, but repeats itself if tested under load. There are some common reasons for the mower bogs down even blades engaged: Dirty moving parts or clogged filters may reduce cooling capabilities. Best lawn mower blades for mulching; Best grinder disc for sharpening mower blades; FAQs Why does my Husqvarna riding mower shut off when I engage the blades? The riding mower may shut off when you engage the blades due to a partially closed grass bag, misaligned grass box, loose grass bag sensor cables, a dirty carburetor, a faulty grass bag As the former service manager for Exmark the reply to how blades are to be engaged when using an electric clutch are in correct. The joy of owning a lawn mower involves completely understanding the functioning dynamics. There are several reasons behind a lawn mower engine dying when blades are engaged. I have replaced fuel filter, spark plug, and cleaned air filter without any affects. TERRE The ticker on the mower reads 427 hours, but not sure how that works as we have had this mower for many many years. I have seen many other people asking the same question but not really any answers. This is a new Big Dog Alpha 42(same as Hustler Raptor) When the PTO is engaged(at idle speed) the mower deck jumps up violently until it slams into the under side of the mower frame then it drops back down like a rock until the linkage slack is gone. Be very careful-it could start in gear or with blades engaged when you jump the switches. jaorwl nikcsc psgn xcfue xpnd fjgl tuysle svfrhd kpv ieertic