Keeps breaking pto bolt, have to drill out crank with left hand bit, put new clutch and bolt on but only lasts a few hours and breaks again, happened 3 times, engine runs smooth no vibration, no slack in pulleys, any suggestions?
Maybe the drive belt is to small and pulling on the assembly, and in turn pulling enough to break the bolt. probably is fine when idle, but under load the condition changes, causing tension to be applied and snapping the bold. That would be the first place I would look.
I have also had other bolts come out of other assemblies and everything ran fine. Until one day when it didnt and belts snapped and so did bolts as and my transmission. It wasnt a good day. So check your belt alignments, mower deck bolts, spring placement, rear end bolts, etc. Good Luck!!
SOURCE: Engine dies when engaging PTO switch on a John
Check and adjust your RIO switch{reverse implement option}near the trans if so equipped.What happens when you press forward pedal then engage blades?Would also check the lower bearing on your pto clutch to see if its seized up.
SOURCE: My 870 john deere clutch will not disengage. The
This is common for the 70 series.Clutch dics are stuck together,just short of splitting tractor you have to hit a pile of dirt with loader bucket to see if you can break it loose.
SOURCE: My John Deere 345 dies for no apparent reason
You have dirt in the fuel tank and it sucks the dirt up on the filter that is attached to the pump. After the machine stalls, the dirt falls off and it will restart and run for a few min.
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