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JK
12-11-2001 06:16:12
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Re: M602 PTO in reply to Dennis, 12-11-2001 04:49:53
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Dennis,
The PTO on the 335, 445, BigMo400, BigMo500, BigMo600, BigMo400M, JetStar, JetStar2, early JetStar3, 5Star, M5, M602 & early M670 have no PTO brake to stop them from turning. Check to see if you can turn the PTO shaft by hand with the tractor engine not running (it will turn fairly hard). If you can, there is probably nothing wrong with the clutch. They will usually turn any piece of equipment that turns very easy when they are cold but usually not when they get warm. Make sure that the PTO handle snaps over solidly and requires some effort to snap it over. The most common cause of failure of the PTO clutch is allowing it to run with too little pressure on the clutch pack (too loose) when engage thus allowing it to slip and warp the clutches. When this happens, The PTO will not disengage even when warm. On the above mentioned tractors, it is sort of a pain to adjust the PTO clutch since doing so requires the removal of the hydraulic reservoir on tractors equiped with 3 point hitch or type E hydraulics, so they are sometimes neglected.
Hope this helps
John
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