MF loader cap plate leak

/ MF loader cap plate leak #1  

merlintractor

Bronze Member
Joined
Feb 21, 2009
Messages
85
Location
Colorado Front Range
Tractor
MF 1260
I've sprung a leak at the joystick cap plate on my MF loader. My plan is to remove the plate, clean the surfaces and reseal with blue RTV. My question is, how much do I torque down the three retaining bolts? This my first DIY hydraulic repair...not my strong suit. Any advice appreciated.
 
/ MF loader cap plate leak #2  
I've sprung a leak at the joystick cap plate on my MF loader. My plan is to remove the plate, clean the surfaces and reseal with blue RTV. My question is, how much do I torque down the three retaining bolts? This my first DIY hydraulic repair...not my strong suit. Any advice appreciated.

Post some pics, I'm not sure RTV is the way to go with this.
 
/ MF loader cap plate leak
  • Thread Starter
#3  

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/ MF loader cap plate leak #4  
That seal, and the orings on the spool, are low pressure seals. The high pressure seal is provided by the machined surface of the spool. So if you've got a constant source of leaking oil, it's likely the spool is scored or damaged. With the cap off you can probably figure out which spool is leaking, then you can pull that one and inspect it. It's also possible the valve body has been distorted if its mounting configuration or tightness has been changed in some way.
 
/ MF loader cap plate leak
  • Thread Starter
#5  
That seal, and the orings on the spool, are low pressure seals. The high pressure seal is provided by the machined surface of the spool. So if you've got a constant source of leaking oil, it's likely the spool is scored or damaged. With the cap off you can probably figure out which spool is leaking, then you can pull that one and inspect it. It's also possible the valve body has been distorted if its mounting configuration or tightness has been changed in some way.

Ok, thx! I'll pull the cap plate and see what I can find.
 

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