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4020 steering


 
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phillip brown
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Joined: 05 Nov 2016
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PostPosted: Sat Nov 12, 2016 4:20 pm    Post subject: 4020 steering Reply to specific post Reply with quote

do you have to pull the front axle to remove the steering motor. and where is the plug to bleed the air in the steering valve.
 
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D-
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PostPosted: Sat Nov 12, 2016 4:33 pm    Post subject: Re: 4020 steering Reply to specific post Reply with quote

You don't remove the steering motor unless it is broken.
Remove the front axle and a side frame. I always remove the
RH one. Remove the steering gear and the piston plugs then
remove the pistons.
The bleed valve is on the LH side of the steering valve.
 
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Tx Jim
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PostPosted: Sun Nov 13, 2016 3:53 am    Post subject: Re: 4020 steering Reply to specific post Reply with quote

CVPost-phillip brown wrote:
(quoted from post at 20:20:37 11/12/16) where is the plug to bleed the air in the steering valve.


Phillip
I'm sorry but I determined I inaccurately labeled the bleed screw in the other photo I posted. Bleed screw is key 10


 
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DONMYEIL
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PostPosted: Sun Nov 13, 2016 8:02 am    Post subject: Re: 4020 steering Reply to specific post Reply with quote

It's not necessary to bleed the power steering . Just cycle it lock to lock several times . I've done steering since 1963 and after a few valves and steering motors found it was a waste of time.
 
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phillip brown
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PostPosted: Sun Nov 13, 2016 1:10 pm    Post subject: Re: 4020 steering Reply to specific post Reply with quote

the reason im asking is the wheels are turned all the way to the left and if you turn the steering wheel to the right nothing happens . i figured there was air in the steering valve . any sugestions
 
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tim s
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PostPosted: Sun Nov 13, 2016 3:58 pm    Post subject: Re: 4020 steering Reply to specific post Reply with quote

Rarely is it necessary to bleed them, your steer valve needs resealed and re-calibrated,some things wear in them that will make the adjustment change,the result is the valve will open to let steer one way,, but won't open to steer the other. You will need to remove the valve out of the dash area,,not a pleasant job,,then take it to some one that knows how to deal with it,, most Dealers don't know, and if they do they will charge an outrageous price to do it. I can do it for you here and bench test it for $130 parts and $250 for labor and bench test, I do several each week here
tim-sweeney@att.net


 
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phillip brown
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PostPosted: Mon Nov 14, 2016 4:48 pm    Post subject: Re: 4020 steering Reply to specific post Reply with quote

would the leaking steering motor bottom seal cause the steering valve to not work properly
 
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tim s
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PostPosted: Mon Nov 14, 2016 5:37 pm    Post subject: Re: 4020 steering Reply to specific post Reply with quote

A leaking steer motor lower seal would/could be a sign of motor piston seal leaking, also if the steer pedasel or arm bolts are a bit too long they can hurt the seal, they line up with the seal...
 
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deere diesel
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PostPosted: Wed Nov 16, 2016 2:34 pm    Post subject: Re: 4020 steering Reply to specific post Reply with quote

i sell rebuilt and tested steering valves 507-383-8189
 
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ben brown
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PostPosted: Thu Nov 17, 2016 5:24 pm    Post subject: Re: 4020 steering Reply to specific post Reply with quote

so here my take steering valve change the line up front so tractor steers backwards that well tell you if the steering motor under fuel tank is bad or if its the steering valve at steering wheel.. if it steering motor the way i do them is remove fuel tank radiator oil cooler then block tractor under oil pan remove let side or right side remove steering motor lot easy then crawling under removing front axle beside good time to check all the steering lines hyd pump connection steering motor not all that bad to do steering valve i done a few but a challenge.
 
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