John Deere

Mower will quit and not restart

How to Identify and Fix Common Gardening Problems ?

We provide a variety of viewpoints on how to identify and fix common gardening problems. Our sources include academic articles, blog posts, and personal essays from experienced gardeners :

John Deere PTO switches are designed to provide reliable performance for everyday use for your toughest task. John Deere PTO switches are designed to exact specifications for a firm engage or disengage. John Deere PTO switches are the replacement choice for you. AM147972 replaces GY22356.
Belt-the number one cause for your blades not to engage is that your belt is either stretched or loose causing it to slip or fall off completely. Belt could have snapped also. When you are trying to process too much grass/leaves they could pack up under your deck and push off your belt.
Many models of John Deere riding mowers, lawn tractors and garden tractors are equipped with a power takeoff (PTO) function that the operator uses to engage the mower blades of the machine. If you`ve engaged the PTO function and find that there`s no response from the mower blades, there may be a problem with the PTO.
Powershift PTO engagement problems could be from blocked hoses or fittings, bad connections or ground or the solenoid. Mechanical PTO engagement problems could originate from low air pressure, improper cable installation or back lash too tight.
The Muncie PTO Pressure Safety Switch is a safety switch designed to prevent damage to power take-off systems in the event of low oil pressure.
The PTO switch is a critical safety device developed to prevent unintentional blade actuation of lawn equipment. This switch is part of a series of controls that comprise a mower`s safety interlock system, requiring riders to use proper procedure when operating machinery.
There is a safety switch at the end of the cutter engage lever which has gone faulty and needs replacing, overiding the switch by keeping it pressed in will allow the mower to be operational till replacement switch is fitted.
Whenever the blade is engaged, it rotates on a crankshaft to cut the grass. But if there is interference in this rotation, the engine can overload and shut off or lose power. Check the crankshaft connection to see if it rotates freely. Inspect the connecting hardware for damage or rust.
For power shift operation, when a power shift PTO is engaged, a solenoid is energized. Air or hydraulic fluid then compresses a clutch pack in the PTO. This locks the PTO output gear to the output shaft and allows work to be done. When the power shift PTO is disengaged, the solenoid de-energizes.
Pump trouble is usually characterized by increased noise, increased heat, erratic operation of cylinders, difficulty or inability to develop full output, decreased speed of cylinders or hydraulic motors, or failure of the system to work at all.
If the PTO clutch is not getting power, if the clutch solenoid is defective, or if the clutch is worn out, the lawn mower blades will not engage. The PTO clutch is not repairableā€”if the clutch is defective, you must replace it. Need help finding your model number? The PTO switch provides power to the PTO clutch.
On a Putzmeister MR 688 series the PTO Pump/Drive switch gets its power from a fuse located in the Mack fuse block.
Power take-offs (PTOs) are mechanical gearboxes that attach to apertures provided on truck transmissions and are used to transfer the power of the vehicle engine to auxiliary components, most commonly a hydraulic pump.
The tractor`s stub shaft, often called the PTO, transfers power from the tractor to the PTO-driven machine or implement. Power transfer is accomplished by connecting a drive shaft from the machinery to the tractor`s PTO stub shaft.
When the Power Take Off (PTO) switch is turned ON, 12 volts is sent to the PTO solenoid to engage the PTO. This sends transmission pressure to the PTO to engage. When pressure is sensed, the PTO pressure switch sends a signal (usually ground signal), to the chassis controller indicating that the PTO is engaged.
A Power Take-Off, or PTO, gives a truck versatility beyond its usual function of providing transportation for materials. It directs power to the auxiliary equipment to perform work at the site and/or enroute. A PTO can eliminate the need for a second, or auxiliary, engine to power the equipment.
When the Power Take Off (PTO) switch is turned ON, 12 volts is sent to the PTO solenoid to engage the PTO. This sends transmission pressure to the PTO to engage. When pressure is sensed, the PTO pressure switch sends a signal (usually ground signal), to the chassis controller indicating that the PTO is engaged.
The PTO (or power take-off) belt is part of a pulley system that operates the blades on your riding lawn mower. It runs off the electric clutch system in your engine. If you hear squealing during operation or see dry rot on your PTO belt, you may need to replace it.
The PTO (or power take-off) belt is part of a pulley system that operates the blades on your riding lawn mower. It runs off the electric clutch system in your engine. If you hear squealing during operation or see dry rot on your PTO belt, you may need to replace it.
A Power Take-Off, or PTO, gives a truck versatility beyond its usual function of providing transportation for materials. It directs power to the auxiliary equipment to perform work at the site and/or enroute. A PTO can eliminate the need for a second, or auxiliary, engine to power the equipment.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

My husqvarna zero turn mower has an auto safety shut off. I have isolated 3 (Brake, Left control level, and Right contol lever)trying to see which one was faulty, but I’m not sure where to go next. When I took the brake off, the mower stalled so I held the safety button down and when the brake was off the engine stayed running. But when I pulled the Left or Right Control level to move, it shut off, so I held those down to see if I could see which one was faulty. The engine stayed running, so I couldn’t figure out which one was bad. Every thing stayed running until I engaged the mower deck, and then it shut down again. I gave up at that point and figured I needed an experts help! Thanks, Jon Sable
ANSWER : There should be a switch under the seat. The system is designed to stop all functions if no one is setting in the seat. I believe the seat switch has failed.
Check it out and let me know.
Regards,

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I have had a poulan pro 550 series push mower for almost 1 year at the end of the season last year the mower would start briefly and then stop. i have cleaned out the air filter and that did not help.the mower started, i made one revolution around the yard 3/4th of the way the mower quit. I then primed the mower it started then quit and now it will not start at all. Does anyone have any suggestions of what to do. Thanks
ANSWER : There is a little spring that works the carburetor arm. If that popped off then the mower will not run.

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Lawn mower cranck but wont start…
ANSWER : Since you already checked for spark and air I would drain all the fuel out of it and check that fuel for water. Over time some lawn mowers end up with contaminated fuel. You can see the water sitting on the bottom of the fuel if you let it stand for a bit in a small plastic bowl.

Be sure to empty and dry out you fuel can as well. Especially if the mower stopped running right after a refuel. Which is a good sign your gas can is contaminated too.

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What causes JD 260 riding mower to start dying when you engage the mower deck? It runs fine when you disengage the mower deck.
ANSWER : It’s the safety system that causes this. There is a switch under the seat that should activate when you are sitting in the seat. The switch can come loose or fail, the mounting can break, or the wires can come loose – any of these would cause the “engine dies when I engage the mower deck” behavior. Lift the seat, examine the switch. Rmove the switch and keep the plunger in with a piece of tape. Fixed? Then it’s just the mounting or adjustment. Not fixed? It’s the switch itself or the wires or connectors to it.

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I had hit a somewhat hidden stump on the lawn..bending the blade. Took the deck off and replaced the bent blade. Put the deck back on and now the cut seems uneven. It appears that the deck is now uneven. I attempted to follow the directions for a side-to-side leveling. Started with trying to measure the blade height and am struggling with getting to a spot where I can measure the blade on the left side. By looking at the deck, it appears to be uneven. I am struggling with being able to raise the left side of the deck.
ANSWER : I’ve only had luck removeing the deck, turn it upside down. Measure blade, mark, remove blade, insert large pipe over spindle, bend in direction. Re-install blade, and do it all over and over till straight. Measure in several locations.

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I have a problem with a Black and Decker electric lawn mower model MM525. While cutting some high grass today, the mower slowed down, then quit and would not restart. I checked the electrical outlet and there was no power–the fuse was burned out in the switch box. I replaced it, tried again, and again it would not start or even give any response at all, but again it blew out the fuse in the box. The fuse is 25A and the mower is only 12A so that’s not an issue, besides, I’ve used this mower from that outlet for about 4 years since I first got the mower and never had any problem before. My question is: is whatever is causing the mower not to start and to blow out my fuse something that can be repaired or should be? Thanks.
ANSWER : Hello blumph,
I can think of only one or two things that are causing your problems. It could either be approx. a $14.00 switch in the handle that has shorted out, or 2 bad brushes $1.75/ea.on the armature (motor). Both are fairly simple fixes with just a screwdriver and maybe pliers. You might also check and see if the power cord has been chafed or damaged and is shorting out. See below for parts:http://www.ereplacementparts.com/black-and-decker-mm575-electric-lawnhogtrade-mulching-mower-parts-c-4167_9514_9550.htmlyurcarguyken@yahoo.com

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It is idling too fast and has a terrible vibration
ANSWER : The idle can be adjusted by moving, either left or right, a small lever in the front of the engine. The vibration is most probably caused by a lose or damaged blade or and excessive build-up of clipping under the deck.

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L110 bagger installation
ANSWER : I can’t help you on the bagger hole location. But you will need quality hi-lift blades. “Gator-Blades” are some of the best. At www.mowpart.com or Amazon.com

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