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  #1  
Old 07-01-2019, 02:12 PM
Rainman4820 Rainman4820 is offline
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Default PTO Clutch Rebuild on 126

I rebuilt my PTO clutch using a parts kit and all was well for about 30 days of use. Yesterday the mower stops turning so I take the front screen panel off to look a the belt and there lies half of the clutch parts (bolts, throwout levers, clutch buttons, etc...) on the front of the frame.

I can only assume the nuts (which would include the locknuts) came loose from the bolts that hold the assembly together. I will rebuild but looking for thoughts on what I did wrong. Do I need to locktite the nuts on?
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Old 07-01-2019, 02:58 PM
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Billy-O Billy-O is online now
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Did you double nutted the nuts together tight enough after the final adjustment? I never had locknuts but if you do, they shouldn't be nylon locknuts because the heat can melts the plastic.
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Old 07-01-2019, 03:07 PM
Rainman4820 Rainman4820 is offline
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Default 126 pto

Thanks and yes I didn't actually use "lock nut". That was just my vague term for using the "double nuts" from the original configuration. I had the first set of 3 nuts tightened down to the right specifications using the gauge and then the second set of nuts tightened down really snug on the first set of nuts.
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Old 07-01-2019, 05:58 PM
finsruskw finsruskw is offline
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You need to use 2 wrenches on those nuts to really lock them together.

Best bet, pick up a few cheap 7/16 open end wrenches at the next swap meet or harbor freight and grind them down "skinny" to grip the bottom bolt then crank the lock nut down tight on the bottom nut.
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Old 07-01-2019, 06:07 PM
Rainman4820 Rainman4820 is offline
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Thank you, will do
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Old 07-01-2019, 07:25 PM
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A little bit of blue Loctite would not hurt anything.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.

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