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H3 crawler turning clutches question MORE PICS |
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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Posted: 09 Dec 2012 at 10:49am |
Which way should the spline shaft slide? I can move the shaft back and forth a 1/4 inch or so. If I can get the retaining clip off, does the shaft slide into the clutch pack or toward the tranny housing? It seems like it is bottoming out in the direction of the tranny housing already. Not sure which way I should be moving the shaft.
Edited by warddc - 19 Dec 2012 at 7:22pm |
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1962 H-3 Dozer
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Calvin Schmidt
Orange Level Joined: 11 Sep 2009 Location: Ontario Can. Points: 4520 |
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I'm sure it slides to the center. May have to take the rear plate off to see what's going on.
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Nothing is impossible if it is properly financed
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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I bought a fiber optic camera today so I could look at the c-clip I am supposed to be taking off. I think I can see it. It looks like it wraps around the flange of the spline hub that is in the clutch pack. Going to have to make a tool to pop that clip off. Can't see it without the fiber optic camera. Have no idea how to get off a spring clip that I can't reach or see.
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Randaleky
Silver Level Joined: 17 Aug 2011 Location: belfry, ky. Points: 427 |
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i have hd4 and had to bend a long thin blade flat screw driver in a 90 degree angel about one inch up on shaft and flatten end with hammer so it can slide under the c clamp. once you feel clip apply pressure and lift out at same time. you can feel with a finger and know when it frees up. i must slide toward the bevel gear rear end to lift clutchs out.
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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Thanks for the help. I will try bending up a screwdriver and flattening it to make it thinner.
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Randaleky
Silver Level Joined: 17 Aug 2011 Location: belfry, ky. Points: 427 |
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let us know how it goes
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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Will do.
Does anyone know where i can get a brake drum for the turning clutch pack. the left one is serviceable but the right one is worn through. I see minnpar.com says they have them new for $550. ouch!
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gemdozer
Orange Level Joined: 17 Sep 2009 Points: 970 |
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I have a used brake drum #(am 4864)
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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Excellent. What do you mean am 4864? Can you email pics and how much you want for it?
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1962 H-3 Dozer
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gemdozer
Orange Level Joined: 17 Sep 2009 Points: 970 |
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THE AM4864 is the drum part number and you can see the part number on when the drum is removed from the hub and plate and have no picture and want $60.00 plus shipping
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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What condition is the drum in? How worn is the braking surface?
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1962 H-3 Dozer
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dustinmo
Orange Level Access Joined: 12 Sep 2009 Location: Auxvasse, MO Points: 2185 |
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I hate those clips, seem to always be a fight, my paw is pretty big and just doesnt fit in there too well to pop it off,
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gemdozer
Orange Level Joined: 17 Sep 2009 Points: 970 |
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My h3 brake drum outside and inside is in good condition
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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IM sent.
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1962 H-3 Dozer
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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Well, I got both turning clutches off. Was pretty easy with the fiber optic camera so we could see the clip and get under it to pry it off. We also made a tool from a piece of 1/4" steel rod. Bent it about an inch from the end to a 90. Then ground the tip really thin like a knife edge.
The shafts slide into the center of the tractor. One shaft actually pushes against the other when they are both slid in. When one shaft is all the way into the throw out bearing the other shaft moves out 3-4 inches. |
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1962 H-3 Dozer
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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Here are some photos now that I have the clutches out. I have ordered parts and am waiting for them to come in. While I am waiting I am cleaning up the clutch wells.
before. after. here she is in the garage getting tore apart. Edited by warddc - 16 Dec 2012 at 3:33pm |
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1962 H-3 Dozer
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Randaleky
Silver Level Joined: 17 Aug 2011 Location: belfry, ky. Points: 427 |
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looks real good after cleaned up. where did all the oil in cases come from ? if it is out of the bevel gear end ( rear end ) section then the seal must be down and since the clutches are dry type, if seals are leaking, you will be back at the same job a little later. i just rebuilt one side and had to pull the cap out to replace the seal. not a big job at this point.
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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I am not sure where the oil is coming from. Could be either the transmissions seals or the final drive seals. It took fifty years to get like that and both plugs were still in the bottom of the clutch wells. The new clutches will outlive me.
Edited by warddc - 16 Dec 2012 at 4:22pm |
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1962 H-3 Dozer
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Randaleky
Silver Level Joined: 17 Aug 2011 Location: belfry, ky. Points: 427 |
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hope you are right. the plugs are normally open to allow drainage, unless you work in dozer in really wet areas where water could get into the clutches. my plugs were out and the oil out of bevel section ruined the fiber ones. clutches slipped and brake band wold not work.
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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I can take a look at replacing the bevel section seals while I have it open. I don't have the equipment to change the seals on the final drive. You have to remove the track drive sprocket. Can you get at the bevel gear seals from the turning clutch well? The parts book shows an o-ring to seal around the flange and then an inner seal around the shaft near the bearing.
Edited by warddc - 16 Dec 2012 at 4:50pm |
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1962 H-3 Dozer
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Randaleky
Silver Level Joined: 17 Aug 2011 Location: belfry, ky. Points: 427 |
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I JUST PULLED MINE AND REPLACED THE SEAL. I TOOK A SCREW DRIVER AND KNOCKED THE SEAL BACK TOWARD THE BEVEL GEAR. TOOK 2 BOLTS AROUND FIVE INCHES LONG AND WITH A 3/4 INCH CARRIAGE TYPE HEAD. GROUND ONE SIDE OF BOLTS FLAT TO BOLT SIZE. GROUND OPPOSITE SIDE ENOUGH TO GET IT TO FIT BEHIND THE FLANGE STOP FOR THE SEAL. PUT A FLAT BAR WITH TWO SLIDING SLOTTED HOLES. PUT TAPS ON AND TOOK SLATE BAR BEHIND BAR, GAVE A LITTLE PUSH AND IT POPPED OUT. SLID CAP OFF THE AXLE AND PUT SEAL IN. LINES BACK UP PUT TWO BOLTS IN STARTED TO EVENLY TIGHTEN TILL I GOT BACK TO BEARING. LIFTED SLIGHTLY UPWARD ON AXLE AND EASED CAP BACK INTO PLACE. THEN PUT THE OTHER TWO BOLTS IN, TIGHTENED GOOD. PUT CONE BACK ON OVER AXLE. TOTAL TIME FOR JOB 1 HOUR.
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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I was thinking I could just remove the four bolts that hold in the bearing carrier (behind the throw out bearing yoke) and pull it out. The seal for the cross axle is in this bearing carrier. I am not clear on how you replaced the seal from your instructions. Did you replace it from accessing through the pto housing?
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1962 H-3 Dozer
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Randaleky
Silver Level Joined: 17 Aug 2011 Location: belfry, ky. Points: 427 |
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ONCE YOU PULL THE CARRIER YOU WILL NEED TO DRIVE THE BEARING RACE OFF AND THEN THE OLD SEAL. REPLACE WITH NEW SEAL AND THEN PUT BEARING RACE BACK IN . REPLACE CARRIER, PUT 4 BOLTS BACK AND JOB DONE. YOU WILL NOT NEED TO REMOVE BACK PLATE WHERE PTO IS. ALL CAN BE DONE FROM INSIDE STEERING CLUTCH HOUSING.
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Randaleky
Silver Level Joined: 17 Aug 2011 Location: belfry, ky. Points: 427 |
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by the way, what kind of shape were the clutches in when you tore the unit down? were the oil soaked on outside and the fiber plates ? did both sides appear the same ? when i checked mine and discovered the problem, i took the throw out bearing carrier off and took mirror with light to look at seal and found rubber damaged and protruding toward the steering clutch. that is why i had to pull the cap and change mine. it is not a real big job. my e-mail is randal.thornsbury@aol.com send pm and i will give you my home phone # in case you need to call me.
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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Thanks for all the help. On the left side everything was oily and the right side was fairly dry. I am going to replace both seals since i have everything open. I am waiting on seals from minnpar now.
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1962 H-3 Dozer
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Randaleky
Silver Level Joined: 17 Aug 2011 Location: belfry, ky. Points: 427 |
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have you pulled the carriers yet ?
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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nope. probably tonight. I think that I have to drain the oil in the tranny to get it below the level of the carriers.
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1962 H-3 Dozer
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Randaleky
Silver Level Joined: 17 Aug 2011 Location: belfry, ky. Points: 427 |
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yes drain the oil. probably a smart thing to replace both sides while down this far. i don't guess having both carriers out at same time will hurt about alignment since axles are left in splines on bevel.
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Randaleky
Silver Level Joined: 17 Aug 2011 Location: belfry, ky. Points: 427 |
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by the way did you go back with fiber clutches or the bi-metalic ? i went with bi-metalic and bought them from webmasters@tractorparts.com . paid 172.35 for 4 bi-metalic clutches and 3 new steel plates. all aftermarket new items. new bands are 145.00 each they are in idaho. bought bearings and seals from napa store.
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warddc
Bronze Level Joined: 26 Nov 2012 Points: 49 |
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I went with bimetallic as well. New bands, bearings and seals.
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1962 H-3 Dozer
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