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1947 HD7 clutch removel. help

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stnman4 View Drop Down
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Joined: 08 Oct 2014
Location: wrightwood,ca.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote stnman4 Quote  Post ReplyReply Direct Link To This Post Topic: 1947 HD7 clutch removel. help
    Posted: 11 Oct 2014 at 6:20pm
can anyone tell me the easyest way to change out the clutch in a 1947 hd 7 dozer. i was thinking maybe takeing the motor out would be the easyway. maybe not. any in put would be great. thanks
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CAL(KS) View Drop Down
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Joined: 18 Sep 2009
Location: Chapman, KS
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CAL(KS) Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 2014 at 8:03pm
old style monolithic powertrain design.  you have to pull the motor to put in a clutch.  not until the 50's with the HD15's 11's, and 9's did they start unit construction which allowed  clutch replacement without pulling the engine.

Edited by CAL(KS) - 11 Oct 2014 at 8:08pm
Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20

Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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Coke-in-MN View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 13 Oct 2014 at 7:14am
AC - HD5 of 1947 vintage had enough clearance to remove components without disassembling full tractor .

With a 3-71 Detroit it seems they would have also left room to service things . 



Edited by Coke-in-MN - 13 Oct 2014 at 7:15am
Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JC-WI Quote  Post ReplyReply Direct Link To This Post Posted: 13 Oct 2014 at 10:40am
Master manual says Engine needs removing... Requires a 1 ton hoist, a ten foot lengtrh of 1/2" cable or 3/8ths" chain one motor stand or sufficient wood blocks, ample supply of cleaning fluid and at least 6 containers of holding bolts ca, screws etc.
 Disconnect battery, remove air cleaners, on late unites the precleaners extend up thru the hood and they do not need to be removedremove hood and front fenders and grill and bumper, drain cooling system, remove radiator, shut off fuel, disconnect all lines rods and wire, engage clutch, remove two plates on spacer and work through the two openings. Remove four spacer to engine capscrews from inside spacer remove 12 capscrews holding master clutch assembly to flywheel. Remove 10 capscrews that holds spacer to engine- 6 removed from outside and four removed thru inspection holes. 
 Remove bolts from outer end of front motor syupport. Raise outer end of motor support with a bar and remove shims... Caution: in rebuilding, these shims must be installed in their origional positions in order not to alter the motor alignment.  Engine can now be removed by attaching chain to hoisting brackets. lifted slightly and moved forward and lifted out.... 
He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."
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DiyDave View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 13 Oct 2014 at 5:49pm
Take pictures as you dis-assemble, so you can put it back together when you get the parts.  Everything snowballs bigger, except time and memory...
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