3 point hook up

/ 3 point hook up #2  
i'm not familiar with an allis 160.. however your 3pt is a hyd cyl.. and if fed off the same pump as your external hyds.. I can see where there might be bouncing if there is eithe : a leak oof and regen or a bad chamber on a pump making uneven flow that is more pronounced as flow is divided between external and internal cyls.
more info will help us make a better diagnosis.. so far we have very little to go on.. and are only gueessing that it is the tractor in your profile.

since we don't charge by t he word.. tell us more.. :)
 
/ 3 point hook up
  • Thread Starter
#3  
it may be air in the hyd. system. I had to take the low pressure line loose from the pump to remove the starter i was having trouble with. after i got it back together i bled the system by loosening the high pressure line. i got air bubbles and after a while the hook up raised, but after a while i have to bleed it again and i still get air bubbles. i have dome this several times, but same results. i took it back apart and replaced the o ring on the low pressure fitting and the hose that connects the two tubes that comes from the sump to the pump. same results. this tractor is powered by a 3 cyl. perkins diesel. the hyd. pump run off the cam shaft gear.
 

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