model 13ac762f729
Mtd

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 :

If the mower vibrates when you engage the cutting blades, there might be a problem with the blade drive system. Deck vibration can be caused by an unbalanced blade, worn pulley or mandrel, bad blade belt or debris caught inside a pulley. Loose nuts or bolts on the pulleys, mandrels or blades can also cause vibration.
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.
The most common reason for a surging lawn mower engine is a blockage in the fuel supply, but there are other possibilities: Bad gas. Bad spark plug. Dirty/faulty carburetor.
Mower blades are spinning 4000 RPMs. An unbalanced blade spinning that fast will cause a significant amount of vibration, which will put stress on yout blade shaft, spindle, and even the engine.
What`s happening? This is a normal function of the seat safety switch. With the blades engaged, weight from the operator allows the seat safety switch to keep the engine running.
A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and cause the engine to stall.
The most common cause of excessive vibration is an unbalanced blade. If you`ve recently had your blade sharpened, it`s possible the blade hasn`t been properly balanced during the sharpening process. To fix this, the blade should be removed, rebalanced and refitted.
When your mower vibrates severely, start by checking whether the blade is damaged, imbalanced or loose. Tighten the blade bolt if it`s loose. Replace the blade if it`s damaged. A rough-running engine can also cause severe vibrations so tune up the mower to cure engine vibrations.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Where is the alternator on a mtd tractor – Craftsman 17.5 hp 42 in. Deck Lawn Tractor – CA Model
ANSWER : Hi, under the flywheel on top of the motor crankcase, regards Phil.

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Nikki carb runs real lean engine runs rough pops and backfire wont idle put a carb kit still sounds awful
ANSWER : Try turning the mixture screw up a little or if nothing else ive heard of the plug that goes into the carb nees to have the long needle trimmed to the height of the shorter needle in the plug

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I started my craftsman 21hp 42in deck today it had a rough idle with backfire and when engade mower it seemed to not have enough power
ANSWER : Backfiring is a sign of too rich on gas and not enough air. Not enough gas will cause the mower to bog down when blades are engaged as it isn’t powerful enough to run the motor AND turn the blades. Check your carb and see if you need to clean it and replace diaphgram. Sounds a lot like a carb problem.

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13.5 hp craftsman runs rough hard to start – Craftsman 17.5 hp 42 in. Deck Lawn Tractor – CA Model
ANSWER : Clean the carb jets

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Craftsman 22hp lawn tractor when its hot i loose half the power and backfires on cold months it run fine …brigs and stratton engine
ANSWER : Not a expert just trying to help,, sounds like you have heat problem with the carb or the fuel line,,make sure all the heat sheids are there,, if not repllace them,,cause it will cause the gas to try to vapor lock. hope this help you

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Blades wont ingage on my craftsman lawn tractor #917.274811?
ANSWER : After hitting a tree root, blades will not cut when I press to engage

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Craftsman rider with Kohler engine starts fine but has been running rough
ANSWER : Sounds like the jets in the carb a dirty

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Rear wheel is broken need replacement – Mtd 22" White Outdoor Self Propelled High Wheel Mower
ANSWER : I believe they carry them at Sears, since many of the Sears mowers use the high wheels. Tractor Supply also has a pretty large selection of mower wheels. Best of luck to you. James

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