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Allis charmer hd6/hd5 main drive clutch
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Mechanoid View Drop Down
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Joined: 08 Jun 2022
Location: UsA
Points: 10 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mechanoid Quote  Post ReplyReply Direct Link To This Post Topic: Allis charmer hd6/hd5 main drive clutch
    Posted: 08 Jun 2022 at 9:42pm
Hi I have an hd 6 dozer with a hd5 motor the drive clutch is stuck in drive so dozer won't stop until I shut it off. tried using it but still won't pop free
Was fine before winter. how would I go about fixing this?
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Joined: 08 Jun 2022
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Points: 10 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mechanoid Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jun 2022 at 9:50pm
The handle is not stuck I can move it back and forth too engage or disengage if I pull back hard on brake it just dogs engine down so brake wants too work I opened cover to examine and something seams too be moving back and forth so kinda lost as too why it won't stop driving seems like if anything it wouldn't drive if out of adjustment
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2022 at 7:08am
Remove cover, release lever, with screwdriver pry plate away from flywheel and pressure plate. Sounds like it may be low or out of oil. Could have water in oil causing rust.                       MACK
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Joined: 22 Nov 2009
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Points: 4729 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ray54 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2022 at 11:52am
I would guess rust is the problem.  Another guess is the original clutch from a HD5 was used along with the DD engine . I have never seen or heard of them being a run in oil clutch. So verify if in deed it is dry or wet before adding oil. 
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Points: 10 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mechanoid Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2022 at 1:00pm
I opened inspection cover looks dry probly hasn't seen oil at all in its life all but lil grease on shafts of course aquard too get in there
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Joined: 17 Sep 2009
Points: 1041 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gemdozer Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2022 at 2:19pm
You better removed the cluch assambly maybe the disc is brooken if you have tension on cluch lever
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Points: 10 		Post Options Post Options   Thanks (1) Thanks(1)   Quote Mechanoid Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2022 at 12:49pm
I have worked on this machine all weekend glad to say I ended up getting it free after taking more than half of everything apart to get in there. screw driver some pb spray not wd40 and a pry bar got it loose is working like new now thanks for suggestions to get me back going again 🙃 it did have water in bottom just enough to spray around so put hole in bottom for drain and vacuumed around inside too clean out
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