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Author Topic: Cat D4C II track adjuster seal replacement  (Read 599 times)

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Offline LeeB

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Cat D4C II track adjuster seal replacement
« on: April 21, 2021, 03:35:07 PM »
Seals are shot on my dozer track adjuster. Anyone changed them on this model before? Sure could use some pointers here.
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Offline LeeB

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Re: Cat D4C II track adjuster seal replacement
« Reply #1 on: April 22, 2021, 08:36:35 AM »
Figured out you have to split the track to have enough room to remove the yoke. 
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Offline hedgerow

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Re: Cat D4C II track adjuster seal replacement
« Reply #2 on: April 22, 2021, 09:16:55 AM »
Figured out you have to split the track to have enough room to remove the yoke.
I have had to do both sides on my 941B Cat track loader and had to split the track to get enough room to remove the yoke and get the piston out to remove the seals. My old Cat isn't too bad to spit the track as it has aftermarket rails and they bolt together. 

Offline LeeB

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Re: Cat D4C II track adjuster seal replacement
« Reply #3 on: April 22, 2021, 09:30:16 AM »
My old Cat isn't too bad to spit the track as it has aftermarket rails and they bolt together


I'm hoping that this one has a master link also. I don't want to have to beat a pin out.
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Offline Southside

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    • White Oak Meadows
Re: Cat D4C II track adjuster seal replacement
« Reply #4 on: April 22, 2021, 10:44:53 AM »
Don't you have a mud hole you can just drive into and turn sharp? Guarantee that the track will remove itself that way.  

The rest is up to you to figure out.  :D
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Offline PoginyHill

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Re: Cat D4C II track adjuster seal replacement
« Reply #5 on: April 22, 2021, 01:58:33 PM »
If your track has worn enough, you might be able to remove it without breaking it by collapsing the idler as far as it can go. I was able to remove my Cat excavator tracks that way when I replaced my final drives.
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Offline LeeB

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Re: Cat D4C II track adjuster seal replacement
« Reply #6 on: April 22, 2021, 03:06:30 PM »
Now I can't get it to start.  >:(
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Offline hedgerow

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Re: Cat D4C II track adjuster seal replacement
« Reply #7 on: April 22, 2021, 03:34:12 PM »
Now I can't get it to start.  >:(
I know how you feel those old Cat's can be a pain some days. But there are so many things my old track loader will do that my 100 HP skid load will look at and cry. I would be lost with out my old track loader out hear on the farm.  

Offline LeeB

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Re: Cat D4C II track adjuster seal replacement
« Reply #8 on: April 22, 2021, 08:37:46 PM »
Kept acting like it was out of fuel but there was fuel in the tank. It was out of fuel though. Couldn't get past the hole in the fuel line. Once I finally figured that out, got the line fixed, and primed the engine it grudgingly decided to fire up. Was too late to start busting the track by that time. Will try to get it done tomorrow before it starts raining. Lindy wants me to pay somebody to do it but I want to save that $300. 
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Offline dogone

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Re: Cat D4C II track adjuster seal replacement
« Reply #9 on: April 22, 2021, 08:59:04 PM »
    May not be applicable but: I had a cat d7e. Removed tensioner attachment bolts.  Chained up front idler and pulled forward with tractor. Had just enough room to get ram out. Helps to have a few strong helpers.

Offline LeeB

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Re: Cat D4C II track adjuster seal replacement
« Reply #10 on: April 22, 2021, 10:30:44 PM »
Tried that. Not enough room. 
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Offline Fredholtby

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Re: Cat D4C II track adjuster seal replacement
« Reply #11 on: April 23, 2021, 06:52:00 AM »
Hi Iím a cat tech in Ontario Canada 
Unfortunatly youíll need to split the track on the bright side you can clean up the wear plates and replace if needed 
Not sure what service techs are like in your area 
Up here when I use to run a service truck would help out small guys bill you an hour or some times half hour pending time and stop in split track and reconnect at later date 
Depends on your time line 
Again that was me not sure there but never hurts to call if you need to press it out 

Offline LeeB

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Re: Cat D4C II track adjuster seal replacement
« Reply #12 on: April 23, 2021, 08:56:34 AM »
Thanks Fred. This track has a master link. Luckily, no pin to press out as long as the bolts will break and not snap off.
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Offline Fredholtby

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Re: Cat D4C II track adjuster seal replacement
« Reply #13 on: April 23, 2021, 09:36:52 PM »
Lee if they break do not heat youíll never get them out 
Drill them if they break 
Give the heads of the bolts some real good smacks with a sledge to jar them before trying to loosen 

Offline LeeB

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Re: Cat D4C II track adjuster seal replacement
« Reply #14 on: April 23, 2021, 11:53:55 PM »
They broke with no problem. Seals are changed and the track is back together. Now that the seals hold the grease zirk decided to give up. Will need to change it and back out a few of the bolts for the guard that broke off. All in all, I feel pretty good about having tackled this and coming out on top.
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Offline LeeB

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Re: Cat D4C II track adjuster seal replacement
« Reply #15 on: April 29, 2021, 07:11:58 PM »
Got the fuel hose changed out again for the proper one and installed the grease valve for the track adjuster. Started on changing out the shoe pads. Going to need this thing working to fix my drive after 6" of rain yesterday.
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Offline LeeB

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Re: Cat D4C II track adjuster seal replacement
« Reply #16 on: April 30, 2021, 06:58:33 PM »
And now the right side angle cylinder blew it's seals. Old iron is so much fun.
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Offline LeeB

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Re: Cat D4C II track adjuster seal replacement
« Reply #17 on: May 01, 2021, 03:48:37 PM »
Angle cylinder repacked. What next?
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.


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