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H4 BRAKE ASSEMBLY PHOTOS
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pinball View Drop Down
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Joined: 28 May 2014
Location: missouriu
Points: 6355 		Post Options Post Options   Thanks (0) Thanks(0)   Quote pinball Quote  Post ReplyReply Direct Link To This Post Topic: H4 BRAKE ASSEMBLY PHOTOS
    Posted: 23 Aug 2014 at 9:46am
Here are the photos of the parts manual for the brake assembly on an allis H4 crawler. I am trying to remove the shaft that holds the pivot in place. On the parts page it lists two shafts for the pivot arm. is this correct. I am trying to get the brake assembly loose so I can remove it with the steering clutch. When I hit the end of the shaft it sounds like metal on metal. roll pin has been removed. surely some one on here has removed this assembly and can tell me if theres a trick to getting it out or am I just missing something. thanks
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Randaleky View Drop Down
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Points: 427 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Randaleky Quote  Post ReplyReply Direct Link To This Post Posted: 23 Aug 2014 at 11:08am
NO. 9 IS THE ONLY PIN TO REMOVE AFTER THE ROLL PIN. DID YOU SEE ANYTHING ON THE BACK SIDE OF WHERE PIN SHOULD COME THROUGH TOWARD THE REAR END AREA ? MAY TRY TO LOOSEN THE TWO BOLTS ON OUTER SIDE TO LIFT THE FRAME UP 1/2 INCH TO ALLOW YOU TO TRY AND PUSH THE PIN OUT THE TRACK SIDE.
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Points: 22824 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CTuckerNWIL Quote  Post ReplyReply Direct Link To This Post Posted: 23 Aug 2014 at 11:16am
Is it possible there is a step worn in that pin that is hanging it up? maybe loosen the adjustment nut on top all the way so you can wiggle things around?
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Points: 68 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Bud(WI) Quote  Post ReplyReply Direct Link To This Post Posted: 23 Aug 2014 at 6:55pm
I've had them come out with a hammer and punch and not come out even with heat and a 12 ton jack pushing on them. I think that one I finally used a hack saw on the pin after ruining the brake arm. These were on an H3, which is almost identical to the H4 on those parts. Luckily I was trying to make one working machine out of two, so getting three out of four apart in one piece was good enough. 
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Points: 450 		Post Options Post Options   Thanks (0) Thanks(0)   Quote albatros_3 Quote  Post ReplyReply Direct Link To This Post Posted: 25 Aug 2014 at 7:48am
On my 653, it took a lot of heat, PB Blaster, and hammering. I hit them from both sides, once they start to move, you got them licked. 
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