| Author |
 Topic Search  Topic Options
|
Bill Deppe/AC Salvag 
Orange Level Access
Joined: 12 Sep 2009
Location: Maquoketa, Iowa
Points: 972
|
 Post Options
 Thanks(0)
 Quote  Reply
 Topic: 7030 Hyd Question
Posted: 02 Feb 2011 at 1:21pm |
|
Would like some suggestions on why the three point on a 7030 doesn't lift. The remote handle doesn't remain back in detent, just goes forward. There is some sound when the handle is pulled back, but no movement. The pto seal leaked the fluid out, but after repairing it, the three point quite operating. All the other hydraulic remotes and steering works fine. The traction boost linkage appears fine and operates freely. Any help would be appreciated.
|
 |
|
Sponsored Links
|
|
|
skipwelte
Orange Level
Joined: 29 Oct 2009
Location: Anthon, Iowa
Points: 723
|
Post Options
Thanks(0)
Quote Reply
Posted: 02 Feb 2011 at 2:02pm |
Ive had the spool that lifts the three point sieze in the bore, three point wont lift or wont lower. Take the oblong cover off the back, and see if the spool moves. You can get the spool out of the valve, it goes out the back, Ive done it in the corn field before, but I cant remember how much stuff is on the front has to come apart. Might have to hone the bore with a brake hone and clean up the spool. good luck.
|
|
Bill Deppe/AC Salvag
Orange Level Access
Joined: 12 Sep 2009
Location: Maquoketa, Iowa
Points: 972
|
Post Options
Thanks(0)
Quote Reply
Posted: 04 Feb 2011 at 9:16am |
|
Been some time since observing this, is it something that can come off as an assembly?
|
|
allis1984
Bronze Level
Joined: 04 Feb 2011
Points: 97
|
Post Options
Thanks(0)
Quote Reply
Posted: 04 Feb 2011 at 3:03pm |
|
did ya check the valve pilot checks to make sure its not stuck shut
|
|
skipwelte
Orange Level
Joined: 29 Oct 2009
Location: Anthon, Iowa
Points: 723
|
Post Options
Thanks(0)
Quote Reply
Posted: 04 Feb 2011 at 4:15pm |
Bill, this is the right hand valve on the stack, the other valves bolt to it. You can remove the valve, youll have to take the tie bolts out as they are all bolted together. Its a little pesky gettin around the front to unhook the linkage,. Good luck.
|
|
Kenny L.
Orange Level Access
Joined: 12 Sep 2009
Location: NEIOWA
Points: 1297
|
Post Options
Thanks(0)
Quote Reply
Posted: 05 Feb 2011 at 5:56pm |
|
Today I took the oblong cover off and the spool is moving but the 3pt. still willn't work and I still don't have any detent and the lever just want to go all the way forward to put the lever in the down positions. Is there anything else that we need to look for. THanks Kenny L.
|
|
allis1984
Bronze Level
Joined: 04 Feb 2011
Points: 97
|
Post Options
Thanks(0)
Quote Reply
Posted: 05 Feb 2011 at 6:00pm |
|
do your remotes work? And just not three point. Or nothing at all? need some more info
|
|
Kenny L.
Orange Level Access
Joined: 12 Sep 2009
Location: NEIOWA
Points: 1297
|
Post Options
Thanks(0)
Quote Reply
Posted: 05 Feb 2011 at 6:05pm |
|
Yes the remote work and the streeing,it is just the 3pt. Kenny L.
|
|
allis1984
Bronze Level
Joined: 04 Feb 2011
Points: 97
|
Post Options
Thanks(0)
Quote Reply
Posted: 05 Feb 2011 at 6:14pm |
|
did ya check the pilot checks? is the lever hooked up?
|
|
DrAllis
Orange Level Access
Joined: 12 Sep 2009
Points: 21048
|
Post Options
Thanks(0)
Quote Reply
Posted: 05 Feb 2011 at 7:13pm |
|
There is not a "detent" for the 3-point hitch valve on a 7030. When the spool is moved to the rear, the hitch should go up. Just because your "remote" levers detent, that doesn't mean they actually work.......will they lift a load????
|
|
DrAllis
Orange Level Access
Joined: 12 Sep 2009
Points: 21048
|
Post Options
Thanks(0)
Quote Reply
Posted: 05 Feb 2011 at 7:28pm |
|
I'm going to assume that the remotes actually work (both in raise AND lower). Pull back on one of the remotes and while holding it rearward, then try to raise the 3-point....if that makes the hitch lift, then the pilot check is stuck open on the 3 pt valve.
|
|
Kenny L.
Orange Level Access
Joined: 12 Sep 2009
Location: NEIOWA
Points: 1297
|
Post Options
Thanks(0)
Quote Reply
Posted: 06 Feb 2011 at 12:57pm |
|
Ok I went out and tryed what Dr. allis said to do and the 3pt. still didn't work. What else do we need to look at. Thanks for all the help Bill & Kenny
|
|
MACK
Orange Level
Joined: 17 Nov 2009
Points: 7664
|
Post Options
Thanks(0)
Quote Reply
Posted: 06 Feb 2011 at 3:29pm |
|
With the cover off the back, will the lever in cab move the spool all the way both directions? Sounds like a linkage problem or the cylinder on back end has a problem (piston busted- dog bone fell out- cylinder support broke and let cylinder slide away from end cap. Have saw all of these happen. Unhook line at valve going to 3pt cylinder and cap at valve. Pull 3pt lever if pump makes noise, then you have problems inside. MACK
|
|
