m5700 whining noise

   / m5700 whining noise #1  

dirt clod

Gold Member
Joined
Jul 21, 2006
Messages
331
Location
panama city and altha florida
Tractor
Kubota L3300, m5700, case 580se
My M5700 makes a whining noise. Can not locate where the sound comes from, it seems to travel all through the tractor. It sounds like when a hydraulic pump is ran with out fluid. The fluid level is good. All hydraulic circuits work fine. Noise seems to be worse at idle and taper of above idle. Has about 470hrs on it. any ideas?
 
   / m5700 whining noise #3  
any thoughts:confused::confused:
Might try changing the hydrolic filter. My JD4520 started to increase in whine when turning the steering. Shop forman suggested changing the filter and almost none now.
Did this increase suddenlt or slowly grow to be noticable.
ken
 
   / m5700 whining noise #4  
Hello
Does the hyd look foamy?
I'm not sure about the M5700 but the L3400 has a hyd suction hose that will crack and let it suck air.
 
   / m5700 whining noise
  • Thread Starter
#5  
doesn't have a sight glass like my l3300. it has a dipstick. have not noticed dipstick foamy. BIL suggested changing filters also. I thought if a filter was clogged it would make cylinders move slow at idle. also it did it all of a sudden, not something that slowly started getting worse. I'm probable wrong though. will try filters 1st. thanks for replies
:thumbsup::thumbsup:
 
   / m5700 whining noise #6  
Does it do it all the time or just when the 3 pt is in the up position? If it is only when the 3 pt is in the up position, try bumping the 3 pt lever down just a tad. My MX5100 does this. it also doesn't allow my FEL to work near as fast when this happens.
 
   / m5700 whining noise #7  
Generally when a whine is heard, it suggests that a hydraulic pump is not getting enough fluid.
Fluid level and filters would be my first thoughts with level being the easiest to check.
Might be two filters, intake screen and inline filter.
If it is fluid level then your FEL would be jerky when fully extended (and possibly not extend fully)
If we are talking hydrostatic tranny be quick about curing the problem as that could get costly.
 

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