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Massey Ferguson 165 split

M

Massey_165

Member
Hey guys, I have a Massey Ferguson 165 Perkins diesel. I was having a bit of engine oil dripping from the weep holes and now have the tractor split for a rear main seal replacement. While apart I noticed the middle shaft has a lot of play in it, I know it goes into a bearing so is it ok to have up and down play in that shaft? I added a picture of it. The pieces in the picture are from oil pan gasket.
cvphoto106613.jpg


Also, when starting the tractor oil pressure is fine, but after it gets hot if I let it idle the oil pressure will drop to zero, any idea what could cause this? I have bush hogged with it for 2 hours and oil pressure be fine until I idle it. I will be taking the oil pan off and checking oil pump and piston rod bearings.
 
Shaft play is normal, the pilot bearing holds it centered. Low oil pressure is probably worn main and rod bearing shells, the worn mains also allow the rear seal to leak as crank is no longer centered well for the rope seal to hold.
 


Generally speaking seals don't stand up well to much side to side movement. Movement of a shaft can be due to a bad bearing next to the seal but it can also be due to a worn bearing at the other end of the shaft. Either can allow substantial movement, but it still comes down to how much is "a lot".
 
Thanks! Once I get the rope seal installed And the tractor put back together Ill be dropping the oil pan and probably replacing the mains and bearings, anything else I should look at while Ive got it apart?
 
It has quite a bit of play in it, but Im trying to avoid draining the
hydraulic fluid to get to the other end of it but may have to end up
doing that also.
 
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