Sep 7, 2007 / Cylinder drift #1 J jmfox Platinum Member Joined Nov 17, 2006 Messages 776 What causes a double action cylinder with no leaks to drift? Every other cylinder on the system does not drift. jmf
What causes a double action cylinder with no leaks to drift? Every other cylinder on the system does not drift. jmf
Sep 7, 2007 / Cylinder drift #2 kennyd Advertiser Joined Jul 6, 2003 Messages 13,819 Location Westminster, MD Tractor John Deere 3720 CAB/TLB, JD455 The fluid is bypassing the piston seals internally. It sounds like it need to be rebuilt.
Sep 8, 2007 / Cylinder drift #3 J john_bud Super Member Joined Sep 23, 2000 Messages 6,680 Yep, internal bypassing is the usual answer 99% of the time. The other 1% is a worn control spool. It is leaking, but not where you can see it. jb
Yep, internal bypassing is the usual answer 99% of the time. The other 1% is a worn control spool. It is leaking, but not where you can see it. jb
Sep 8, 2007 / Cylinder drift #4 D Digdeep Gold Member Joined Mar 29, 2006 Messages 268 You may also have a seal that is nicked that is causing this. Possibly in the cylinder or in the loader valve. It should be pretty easy to fix.
You may also have a seal that is nicked that is causing this. Possibly in the cylinder or in the loader valve. It should be pretty easy to fix.
Sep 8, 2007 / Cylinder drift Thread Starter #5 OP J jmfox Platinum Member Joined Nov 17, 2006 Messages 776 Thanks. If you can't see something leaking, it doesn't mean it's not leaking. On removing it I noticed it is rebuildable, so I guess the best thing to do is take it down to the cylinder rebuild shop. jmf
Thanks. If you can't see something leaking, it doesn't mean it's not leaking. On removing it I noticed it is rebuildable, so I guess the best thing to do is take it down to the cylinder rebuild shop. jmf
