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wd hydraulic pump rods & adjustment

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New Old Owner View Drop Down
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Joined: 10 Aug 2018
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Post Options Post Options   Thanks (0) Thanks(0)   Quote New Old Owner Quote  Post ReplyReply Direct Link To This Post Topic: wd hydraulic pump rods & adjustment
    Posted: 22 Nov 2018 at 5:42pm
I have a WD and the long rod that goes to the control lever slipped out. When looking at the rod I noticed the short rod and the long rod cross closer to the pump and look like the would bind. Are these rods suppose to cross or run semi-parallel? If someone has photos of proper positioning of the rods I would like to see them. Also when I raise my blade there is a lot of rattling. Is this common or a sign something is broken inside? I'm a newbie so any help is appreciated.
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 2018 at 5:57pm
They run semi-parallel to each other. Long rod in the front hole of the lower arm.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote New Old Owner Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 2018 at 6:28pm
Thanks I thought mine looked wrong. The upper pivot has the short rod attached to the rear hole and an open hole towards the front. What is the front hole for?
The upper pivot also has what looks like a thumb screw that comes from the engine side. Is the thumb screw to adjust friction so the lever does not raise or does it have another purpose?
 


Edited by New Old Owner - 22 Nov 2018 at 7:44pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 2018 at 6:50pm
I told you wrong (going from memory). The short rod goes in the front hole on the lower arm.  The long rod goes in the rear hole of the lower arm.
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SteveM C/IL View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 23 Nov 2018 at 11:15pm
The small short rod is supposed to be straight not bent like yours although that has no effect on operation.It just connects the two levers and as long as it's length is adjusted correctly it don't matter. The thumb screw locks those two plates together going into that fwd hole which moves.....wait a minute,your shaft is 180 deg out of phase.That rod is supposed to be foward,then that hole is rearward and will rotate to line up(almost) with the thumb screw.That upper shaft/plate/valve is the "hold" valve and the linkage (both)has to be adjusted so pump goes in full stroke with lever all the way up and quits pumping with lever in "half" position(or nearly so) and the hold valve is positioned to hold. YOU NEED AN OPERATORS MANUAL!!!
That little rod sticks about an inch through the set screw on my 45,not clear at the end.


Edited by SteveM C/IL - 23 Nov 2018 at 11:19pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 2018 at 6:52am
When I was on here before there wasn't a picture. Serious bass-ackwards issues there with the small rod and hold valve plate. Get an Op manual.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote New Old Owner Quote  Post ReplyReply Direct Link To This Post Posted: 24 Nov 2018 at 9:06am
Thanks for your help. I was able to get pdf of the manual and it has a good explanation of the hydraulics. Hoping for success.
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