Combine reel goes up- not down?

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   I've got a '68 Gleaner G. Suddenly, the reel refuses to go down. I have to bleed the lines on the head to do so. It goes up just fine. All the other hydraulics work just fine and responsively, including the variable speed for the reel. The reel used to go up/down just fine. Then, after sitting outside for a few months, this problem arose. I replaced a steel hydraulic line on the header that was heavily dented, thinking that might be the problem- but no change. There's some very slow leaking out of the hydraulic control unit by the pump, but that's always been there since I've had the combine (7-8 years) and before this problem started.   Suggestions?

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dertz19 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 22 Sep 2009 Location: Minnesota Points: 84	Post Options Post Reply Quote dertz19 Report Post Thanks(0) Quote Reply Topic: Combine reel goes up- not down? Posted: 06 Sep 2020 at 10:33pm
	I've got a '68 Gleaner G. Suddenly, the reel refuses to go down. I have to bleed the lines on the head to do so. It goes up just fine. All the other hydraulics work just fine and responsively, including the variable speed for the reel. The reel used to go up/down just fine. Then, after sitting outside for a few months, this problem arose. I replaced a steel hydraulic line on the header that was heavily dented, thinking that might be the problem- but no change. There's some very slow leaking out of the hydraulic control unit by the pump, but that's always been there since I've had the combine (7-8 years) and before this problem started. Suggestions?

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jaybmiller Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Location: Greensville,Ont Points: 21428	Post Options Post Reply Quote jaybmiller Report Post Thanks(0) Quote Reply Posted: 07 Sep 2020 at 6:22am
	OK, dumb question to ask ,but... ANY chance the safety lock is on ?? On my A there was a 'bar/lever/chunk of metal/??' that kept the reel up... Jay
	3 D-14s,A-C forklift, B-112 Kubota BX23S lil' TOOT( The Other Orange Tractor) Never burn your bridges, unless you can walk on water

im4racin Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 12 Jun 2017 Location: Garrison ND Points: 823	Post Options Post Reply Quote im4racin Report Post Thanks(0) Quote Reply Posted: 07 Sep 2020 at 6:37am
	Sounds like bound up linkages not fully moving the valve spool or out of adjustment Edited by im4racin - 07 Sep 2020 at 6:38am

FREEDGUY Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 15 Apr 2017 Location: South West Mich Points: 5391	Post Options Post Reply Quote FREEDGUY Report Post Thanks(0) Quote Reply Posted: 07 Sep 2020 at 6:48am
	Possibly the quick-connectors ??

MACK Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 17 Nov 2009 Points: 7664	Post Options Post Reply Quote MACK Report Post Thanks(0) Quote Reply Posted: 07 Sep 2020 at 8:03am
	There is a plastic poppet in reel lift valve that can break causing this problem. There is a plug on valve above spool valve. Support reel and remove plug. The metal shaft will some times push through the plastic. Also check couppler at header, point will wear off. MACk

dertz19 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 22 Sep 2009 Location: Minnesota Points: 84	Post Options Post Reply Quote dertz19 Report Post Thanks(0) Quote Reply Posted: 07 Sep 2020 at 9:55pm
	Thanks for the suggestions- I'll give them a try!

FREEDGUY Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 15 Apr 2017 Location: South West Mich Points: 5391	Post Options Post Reply Quote FREEDGUY Report Post Thanks(0) Quote Reply Posted: 12 Sep 2020 at 6:30pm
	Any progress on the reel going down ??

dertz19 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 22 Sep 2009 Location: Minnesota Points: 84	Post Options Post Reply Quote dertz19 Report Post Thanks(0) Quote Reply Posted: 13 Sep 2020 at 9:44pm
	Unfortunately, I developed a problem- presumably in the carb- and I can't get the combine started. Hopefully that gets rectified soon...

shameless dude Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 10 Apr 2017 Location: east NE Points: 13611	Post Options Post Reply Quote shameless dude Report Post Thanks(0) Quote Reply Posted: 13 Sep 2020 at 11:41pm
	had that happen on my "G" combine once, like Mack said...it was the connectors, replaced them and all was well.

DiyDave Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 11 Sep 2009 Location: Gambrills, MD Points: 50460	Post Options Post Reply Quote DiyDave Report Post Thanks(0) Quote Reply Posted: 14 Sep 2020 at 4:34am
	Another problem that can develop is a an old hose can have a flap of rubber come loose, and act like a check valve. Allows flow, in 1 direction, cuts off flow the other way...
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FREEDGUY Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 15 Apr 2017 Location: South West Mich Points: 5391	Post Options Post Reply Quote FREEDGUY Report Post Thanks(0) Quote Reply Posted: 14 Sep 2020 at 6:23am
	Sorry to hear about the "NO-GO" issue , hopefully that's a simple fix .

dertz19 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 22 Sep 2009 Location: Minnesota Points: 84	Post Options Post Reply Quote dertz19 Report Post Thanks(0) Quote Reply Posted: 20 Sep 2020 at 9:38pm
	UPDATE Finally got the G running (looong side note- it was running great, then would suddenly quit. Would restart quickly etc. Then finally quit and would only fire once/twice on restart before dying. Thought for sure it was a fuel supply/ carb problem. Turned out to be a bad resistor). Anyways, I checked the plastic poppet valve on the control unit by the hydraulic unit as per MACK- that was fine (who would have thought a non-cosmetic part on a '68 Gleaner was made of plastic?). Next, on to the appropriate 1/4" hydraulic male poppet connection on the header. Wasn't optimistic about finding one that size at one of the local fleet stores on a Sunday, but did after a few stops. Noticed the collar on the new one was located differently than the old, so I was skeptical it would fit, but then realized I have updated the hoses/ connectors coming from the combine in the past. SOOO, turns out THAT was the issue. After installation- EUREKA! the reel goes up and down. Curious thing is that I'm pretty sure I updated the hoses/ connectors coming from the combine AFTER this problem with the reel started several years ago. I have decided not to worry about it now. haha. Thanks for all the advice.