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today's ca problem
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kenbob View Drop Down
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Joined: 24 Sep 2017
Location: Smithville Mo
Points: 162 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kenbob Quote  Post ReplyReply Direct Link To This Post Topic: today's ca problem
    Posted: 17 Nov 2017 at 9:55am
THe lift pump worked good for plowing this fall. For about the last 3 times I have used it, after starting the tractor and raising the lever, somethimes it takes a whole minute before it goes up.  Once it goes up the first time, it works good.  I can live with that I guess, but today when I lowered the lever the arms would not go down. WIthout an implement hanging I know you have to push the arms down, but i this case, they would not go no matter how hard I tried.  I disingaged the pump--nothing.  I shut the tractor off, started it, engaged the pump and then it worked.
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bryan/silex View Drop Down
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Joined: 09 Nov 2009
Location: silex,mo
Points: 181 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bryan/silex Quote  Post ReplyReply Direct Link To This Post Posted: 17 Nov 2017 at 10:01am
check your linkage mine the set screw on top the deck right by the handle would come loose after awhile .
WD's and 45's B's and c's and a few red ones , ALLIS EXPRESS also
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Gerald J. View Drop Down
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Joined: 12 Sep 2009
Location: Hamilton Co, IA
Points: 5636 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gerald J. Quote  Post ReplyReply Direct Link To This Post Posted: 17 Nov 2017 at 1:01pm
The shop manual might have some hints.
http://geraldj.networkiowa.com/Trees/Allis-Chalmers-G-B-C-CA-Service.pdf

Gerald J.
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Bill Long View Drop Down
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Joined: 12 Sep 2009
Location: Bel Air, MD
Points: 4556 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Bill Long Quote  Post ReplyReply Direct Link To This Post Posted: 17 Nov 2017 at 9:47pm
One has to remember that these units are anyware from 60 - 67 years old it is always remarcable to me that they preform so well.  Remember, the CA hydrallic pump works off the PTO.  In this unit it is not always running like it was in the WD and WD-45.  It was not unusual to find stuck plungers due to the fact the PTO was turned off and the plunger was resting in the down position.  
A good cleaning could be in order.  You can remove the pump by just draining the oil in the PTO and work on it.  Be certain to keep the valve train and other parts in diesel fuel so they will not expand.  
Let us know how it goes.
Good Luck!
Bill Long
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kenbob View Drop Down
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Joined: 24 Sep 2017
Location: Smithville Mo
Points: 162 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kenbob Quote  Post ReplyReply Direct Link To This Post Posted: 17 Nov 2017 at 9:52pm
Thanks, this is good advice.  I have the shop manual but I couldn't find anything that covered it working some of the time. 
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