Loader control valve leak.

   / Loader control valve leak. #1  

brokenknee

Platinum Member
Joined
May 21, 2010
Messages
557
Location
South of Moose Lake MN
The other day my control valve started to leak. It turned out to be leaking from an allen screw. I tightened it up and it stopped leaking, but now I am wondering if by tightening the allen screw if it made any type of "adjustment" to the loader hydraulics.

Loader control valve.jpg
 
   / Loader control valve leak. #2  
I suspect that is just a plug used to close off a drill path in your valve. If you are concerned carefully remove it to see if there is any springs, etc. under it. From its position it could possibly be a gauge port.
 
   / Loader control valve leak. #3  
I believe the allen screw should be tight.

I can't think of a situation where an allen head screw is used to adjust something. They are usually tight.

If an allen screw was used, it would need something to lock it in place, maybe thread lock or another screw on top of the allen screw.

A good manual is always useful.
 
   / Loader control valve leak.
  • Thread Starter
#4  
Sorry for the late response, have used the tractor quite a bit lately moving the spoils of my pond dig. I did not pull the allen screw out again. The loader appears to work as before so all it fine. Thanks for the replies.
 

Tractor & Equipment Auctions

2012 CATERPILLAR 304E CR EXCAVATOR (A51242)
2012 CATERPILLAR...
2019 CATERPILLAR 326FL EXCAVATOR (A51242)
2019 CATERPILLAR...
John Deere BD1113 Grain Drill (A52128)
John Deere BD1113...
2023 Case IH 4412F 12 Row 30 In. Row Spacing Folding Corn Head (A50657)
2023 Case IH 4412F...
2025 Swict 84in Bucket Skid Steer Attachment (A50322)
2025 Swict 84in...
2019 CATERPILLAR D3K2 XL CRAWLER DOZER (A51242)
2019 CATERPILLAR...
 
Top