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HD6E steering problems |
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ac_sd
Silver Level Joined: 23 Apr 2011 Points: 194 |
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I believe the #1828 is the same circumference but not as long.... The other, I'm not sure....
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oljoe
Bronze Level Joined: 19 Apr 2011 Location: Missouri Points: 37 |
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More bad news on the old HD6E. I drained the oil this weekend and when I pulled the trans. Plug I heard the unmistakable “tink tink” of metal hitting the bottom of the drain pan. After I drained the pan I found one full straight tooth and one partial helical tooth. There weren’t many shavings on the magnets. The oil seemed to be thicker than the Dexron and is not red. When I ran the machine there wasn’t any noise like a tooth was broken but I didn’t put the blade down to put it under a load. I noticed that the input shaft for the transmission was new. I’m hoping that the teeth are just left over from a recent repair. My plan is to clean the transmission/steering clutch compartment out with diesel fuel, refill and give it a try. Does anyone have any transmission gears in case the old girl needs some more parts? |
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gemdozer
Orange Level Joined: 17 Sep 2009 Points: 942 |
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I have some HD6 transmission ,bevel and final drive gear
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oljoe
Bronze Level Joined: 19 Apr 2011 Location: Missouri Points: 37 |
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Thanks for the reply gemdozer, When I see what I need I’ll get back with you. |
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ac_sd
Silver Level Joined: 23 Apr 2011 Points: 194 |
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Pull the round cover on the back of the final drive housing, you'll be able to see the ring gear and its condition at least. If the pinion is new , you may be correct regarding a previous repair. The HD-6E trans is different from the HD-6A/B trans, although they share some internal components. Make sure you check the related parts books.
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oljoe
Bronze Level Joined: 19 Apr 2011 Location: Missouri Points: 37 |
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Thanks ac_sd, The dozer has a wench attached so I would need to pull that off to see anything. The good news is that I got the transmission screen out and it was plugged. The bad news is that I got the transmission screen out and it was plugged and there was about 3 cups of shredded fiber laying in the bottom of the transmission. It looks like I have brake or steering clutch problems. I’m going to pull the tank this evening to get a look at the brakes and clutches. I still haven’t bought a parts book or service manual. I was waiting for a good deal on ebay but guess I can’t wait any longer. This thing is getting into more work than I need right now but it has to be done. Joe |
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gemdozer
Orange Level Joined: 17 Sep 2009 Points: 942 |
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Like I said the first time you should have a other streaner the last one before the stering cluch pump.
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ac_sd
Silver Level Joined: 23 Apr 2011 Points: 194 |
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It could well be a brake problem, not quite so likely a steering clutch problem... you've got a project.... Good luck. Wish I was closer to help!!
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oljoe
Bronze Level Joined: 19 Apr 2011 Location: Missouri Points: 37 |
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Hector, Is there another screen/strainer between the transmission and the steering clutch pump? I have found the screen/strainer in the transmission housing and the 2 filters behind the battery boxes. Thanks ac_sd, Brakes are what I suspected. I ordered a shop manual today. I should get the tank off tonight and pull the tops off to expose the inner workings.
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gemdozer
Orange Level Joined: 17 Sep 2009 Points: 942 |
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I do't have a manual but with the whet stering cluch and brake you should have a streaner in a canister like the HD11
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oljoe
Bronze Level Joined: 19 Apr 2011 Location: Missouri Points: 37 |
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More bad news. I got the ROPS and the tank off, pulled the clutch valve body and cover over the ring and pinion. There are about 6 broken teeth on the ring gear. I guess that means more parts that I’m going to need. I did a little checking online for brakes but haven’t found the wet type bands yet. The dry bands are available at several places. Tomorrow I guess I’ll pull off the other covers to see what I have under there. Hector, I have 2 canister filters behind the battery boxes. Is that the strainer that you are talking about? |
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ac_sd
Silver Level Joined: 23 Apr 2011 Points: 194 |
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Those canisters are where the filters are that you will need...... I have a parts manual for that tractor, if you are lucky, the ring gear may be the same for other HD-6's......
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HD6 Merv
Silver Level Access Joined: 03 Aug 2010 Location: New Zealand Points: 476 |
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Ring gear and pinion are different part nos for a HD6E amd a B.
Also final drive gears are different too
Sorry but youve got some work.
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gemdozer
Orange Level Joined: 17 Sep 2009 Points: 942 |
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If you have a canister beend bateri box whith a screen it could be the streaner but check the stering cluch pump suction hose and the first canister should the streaner and about the brake band if the are in one piece off 3 stripes I could have set and could have the bevelgear too but need the parts number on and teeth number too.
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Ages Cat
Orange Level Joined: 12 Sep 2009 Location: Hutchinson, MN Points: 681 |
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Was this the $3700.00 HD6 advertised on Craig's list in southwest Missouri? It would not steer after a period of time, I believe.
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oljoe
Bronze Level Joined: 19 Apr 2011 Location: Missouri Points: 37 |
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Ages Cat, That probably is the same one. My brother found it online but he didn’t say where. The dozer was in Update, I pulled the covers off of the steering clutches and found the problem. The right clutch and brake were OK but on the left side the lower section (3 brake sections) of the band looked like the lining just came unglued and was lying in the bottom of the compartment. It was partially shredded. There were some minor metal to metal wear on the drum but not enough to worry about. I am looking for someone in the area to reline the brake band. I found 2 in Jensales said the manuals should be here on the 6th. I’ll know a little more about the ring gear when the parts manual gets here. I’m going to finish pulling out the steering clutches tonight if it’s not raining to hard. |
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Ages Cat
Orange Level Joined: 12 Sep 2009 Location: Hutchinson, MN Points: 681 |
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I bought brake linings and brake bands from General Gear in Boise, ID. 208-342-8911. They have a website showing what is all available. He also dismantles tractors for parts and is out where it is dry so the rust does not take over the part. My experience has been OK.
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ac_sd
Silver Level Joined: 23 Apr 2011 Points: 194 |
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Another good source is Freno Tractor in Central CA farm country, they are dismantling a couple of HD-6E's, they are an old AC dealer, I believe.... High scrap steel prices out on the west coaast is rapidly taking its toll on all of the older machines......
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HD6 Merv
Silver Level Access Joined: 03 Aug 2010 Location: New Zealand Points: 476 |
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Some part no,s if you want them from my 6E book 14474 up to 18000.
Bevel pinion 624635 9 teeth
Bevel gear 624636 doesn,t list no of teeth.
Merv
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ac_sd
Silver Level Joined: 23 Apr 2011 Points: 194 |
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I believe AC did a part number change in the 1960's, so some numbers may cross to a newer number and still be the same part...... All HD-5's and HD-6's up to that 144XXX s/n use the same ring gear.... later ones I'm not sure, the part number is different, but it well could be the same gear....The earlier part number was for a 44 tooth gear......
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gemdozer
Orange Level Joined: 17 Sep 2009 Points: 942 |
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I am still have 1 bevelgear 624636
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Ages Cat
Orange Level Joined: 12 Sep 2009 Location: Hutchinson, MN Points: 681 |
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In addition to Fresno Tractor, is there a dealership somewhere in the US that still knows what an AC crawler is?
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ac_sd
Silver Level Joined: 23 Apr 2011 Points: 194 |
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In the Midwest, Try Stephens Equipment, I believe they are in Illinois.... 800-652-5547....www.StephensEquipment.com.... In Fargo, ND: Sweeney Bros Tractor......701-232-3305 (Long time very successful AC Dealer).......If they still are in Business)........
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Coke-in-MN
Orange Level Access Joined: 12 Sep 2009 Location: Afton MN Points: 41217 |
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Northern Tractor in Osseo MN (small shop but has AC parts)
Thill Track and Tractor in Eau Clare WI (parts dealer with large yard)
Sweeney was a AC dealer but believe they are Leberr now , their dakotas shops might know something
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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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oljoe
Bronze Level Joined: 19 Apr 2011 Location: Missouri Points: 37 |
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Thanks for the information everyone, I’ll be checking for parts as soon as I figure out what I need. Merv and ac_sd, The pinion gear on mine has 9 teeth and the bevel gear has 44. Gemdozer PM sent. I’ve been holes and elbows all weekend getting this thing dismantled. I finally got the bevel gear out. I talked to everyone I know trying to find a puller with no luck. I gave up and made one. It didn’t work the best but with a little heat on the bearing (not too much) it popped. I just need to get the transmission out and see where the straight tooth came from. There is a little scoring on the pinion gear. I not sure if I need to replace it or not. I’m sure there is a wear pattern but I don’t know if it will cause a problem. I know an automotive ring and pinion will howl if not replaced as a set. Does anyone have an opinion about this? |
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oljoe
Bronze Level Joined: 19 Apr 2011 Location: Missouri Points: 37 |
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Here are some pictures of the dozer and parts.
I've got lots of parts laying around
This was just the beginning of my work
just a few teeth missing
Sorry about all of those red tractors;>)
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oljoe
Bronze Level Joined: 19 Apr 2011 Location: Missouri Points: 37 |
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Hi all,
I got the replacement parts yesterday. Thanks Hector!!!
I guess I'll start putting her back together tonight.
Wish me luck.
Joe Edited by oljoe - 24 May 2011 at 11:08am |
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gemdozer
Orange Level Joined: 17 Sep 2009 Points: 942 |
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I am glad for you and take car off you.
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oljoe
Bronze Level Joined: 19 Apr 2011 Location: Missouri Points: 37 |
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Thanks for all of the help everyone. I got the dozer going and it steers fine.
I pushed up a pile of dirt with it and noticed that the right track was a little loose.
I went back to the shop to tighten the track and found that the bearing on front idler were gone. Not just bad but chewed up and gone. The shaft is also runied so I need to find a front idler.
Joe
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oljoe
Bronze Level Joined: 19 Apr 2011 Location: Missouri Points: 37 |
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OK I found a front idler but it is the spoke type (for an earler model). Mine is a solid roller. Did they change the mounting on the HD6 from the early model? Will it fit the later model? I looked at the parts book and they are a different part number.
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