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Sprocket Puller tool?

Sprocket Puller tool?

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Joel59
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Some of you may have been following my thread on replacing the bellows seals in my D6 9U. I have completed the first side. On that side the sprocket was loose on the hub, so it was very easily pulled. I am now working on the other side. The good news is that on this side the sprocket is very tight on the hub. It needs pulled.

Now my question. My second cousin has a genuine CAT sprocket puller/press assembly that he has had for 35 yrs. He has had an excavating buisness for that many years and has had/worked on many machines. This puller/press assembly he tells me is for the larger tractors- D7,D8,D9. He says that I need an adaptor to make it work on my 9U. This must be the adaptor that threads on to the dead axle to hold the assembly I assume. Is that adaptor still available (part number)? Is it cost effective to buy one, or have one made? What are the dimensions, and what does it look like? Thanks.
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Sun, Mar 16, 2008 9:14 PM
Old Magnet
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If you have all the stuff for the D7, 8, & 9
All you need is the D6 adapter #5F9885 (1-1/2in. - 12tpi)

Here is a rundown:
Removal
5F9040 arm group
5F7334 spacer (4,6,7,😎

Install
5F9040 arm group
5F9888 adapter/coupler (4,6,7,😎
5F9892 pin (4,6,7,😎
5F9885 adapter (D6)
7F5288 pusher group (4,6,7,😎

Pretty good chance Cat may still have the adapter.
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Sun, Mar 16, 2008 11:17 PM
Toolbox
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Reply to Old Magnet:
If you have all the stuff for the D7, 8, & 9
All you need is the D6 adapter #5F9885 (1-1/2in. - 12tpi)

Here is a rundown:
Removal
5F9040 arm group
5F7334 spacer (4,6,7,😎

Install
5F9040 arm group
5F9888 adapter/coupler (4,6,7,😎
5F9892 pin (4,6,7,😎
5F9885 adapter (D6)
7F5288 pusher group (4,6,7,😎

Pretty good chance Cat may still have the adapter.
The 5F9885 puller adapter is still available through Cat and several of the local big wharehouses have them in inventoryl ;ie, Morton, IL; Denver, CO; Miami and others. List price shows $174.09
Jim
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Mon, Mar 17, 2008 2:25 AM
Joel59
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Reply to Toolbox:
The 5F9885 puller adapter is still available through Cat and several of the local big wharehouses have them in inventoryl ;ie, Morton, IL; Denver, CO; Miami and others. List price shows $174.09
Jim
Thanks guys. That looks the what I'm looking for.

Old Magnet, what exactly is that adapter? Is it just round steel stock with a hole that is 1-1/2 by 12 tpi? Do you happen to know how long the adapter is overall (and O.D.), and how deep the threaded hole is? Is there any reason a machinist couldn't easily make one? If I knew dimensions I might get one made.

Also, do you know if the 9U would use the same adapter as a D6D?
Thanks again.
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Mon, Mar 17, 2008 7:57 AM
Old Magnet
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Reply to Joel59:
Thanks guys. That looks the what I'm looking for.

Old Magnet, what exactly is that adapter? Is it just round steel stock with a hole that is 1-1/2 by 12 tpi? Do you happen to know how long the adapter is overall (and O.D.), and how deep the threaded hole is? Is there any reason a machinist couldn't easily make one? If I knew dimensions I might get one made.

Also, do you know if the 9U would use the same adapter as a D6D?
Thanks again.
I don't own one of these set ups to go measure.
The adapter has a two step hole. One end threaded as required, the other fits the press cylinder rod and is retained by the horizontal pin.

Thread depth would match or be close to the axle thread depth.
I don't have any info on the D6D.

Here's a picture of a typical adapter.
Don't think you can hire a machinist to make one for $175 unless it's a G job.
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Mon, Mar 17, 2008 9:05 AM
Joel59
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Reply to Old Magnet:
I don't own one of these set ups to go measure.
The adapter has a two step hole. One end threaded as required, the other fits the press cylinder rod and is retained by the horizontal pin.

Thread depth would match or be close to the axle thread depth.
I don't have any info on the D6D.

Here's a picture of a typical adapter.
Don't think you can hire a machinist to make one for $175 unless it's a G job.
That makes more sense to me now, having seen the picture.

If I remove the entire final as an assembly (as you have mentioned before) will they still be able to pull the sprocket at the CAT shop? The dead shaft won't come off as well, so do they have a fitting that threads onto the bull gear hub?
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Mon, Mar 17, 2008 7:18 PM
tctractors
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Reply to Joel59:
That makes more sense to me now, having seen the picture.

If I remove the entire final as an assembly (as you have mentioned before) will they still be able to pull the sprocket at the CAT shop? The dead shaft won't come off as well, so do they have a fitting that threads onto the bull gear hub?
The D6D dead shaft size is 1 3/4, your shaft is 1 1/2, I have had adapters made in the past without a great cost, its best to pull the rim on the tractor all you realy need is the correct adapter and a large spacer to go behind it about 7/8 to 1" thick to firm up against the hub end to pull the rim, if you were in the U.K. I would send you one for a few weeks????
all the best
tctractors
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Tue, Mar 18, 2008 2:05 AM
Old Magnet
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Reply to tctractors:
The D6D dead shaft size is 1 3/4, your shaft is 1 1/2, I have had adapters made in the past without a great cost, its best to pull the rim on the tractor all you realy need is the correct adapter and a large spacer to go behind it about 7/8 to 1" thick to firm up against the hub end to pull the rim, if you were in the U.K. I would send you one for a few weeks????
all the best
tctractors
Hi Joel,
If you have access to the pulling equipment why not pull your own sprocket.
I don't really know what Cat would use but I'm sure they wouldn't have any trouble pressing the assembly apart.

tc,
Glad to see your still keeping an eye on us😊 😊
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Tue, Mar 18, 2008 3:13 AM
Joel59
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Reply to Old Magnet:
Hi Joel,
If you have access to the pulling equipment why not pull your own sprocket.
I don't really know what Cat would use but I'm sure they wouldn't have any trouble pressing the assembly apart.

tc,
Glad to see your still keeping an eye on us😊 😊
I have everything but the adapter. Didn't want to spend $200 on that. 😛
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Tue, Mar 18, 2008 4:59 AM
carlsharp
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Reply to Joel59:
I have everything but the adapter. Didn't want to spend $200 on that. 😛
With shop rates rapidly approaching $100 an hour I doubt they can set up and pull a sprocket for much less then the cost of the tool. AND you don't get a tool out it.
(which BTW you can put on ebay, or here, and recoup most if not all of it's cost)
CS
Carl Sharp
Chino, CA
-------------
2xPV15; 22 2F; D4 5T
Various other oddball stuff
Vids: http://www.youtube.com/profile?user=carl4043
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Tue, Mar 18, 2008 8:17 AM
OneWelder
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Reply to carlsharp:
With shop rates rapidly approaching $100 an hour I doubt they can set up and pull a sprocket for much less then the cost of the tool. AND you don't get a tool out it.
(which BTW you can put on ebay, or here, and recoup most if not all of it's cost)
CS
the pullers that i have used were all "OTC"- I have been under the impression that OTC made them for Cat- but it has been a quite q few years.
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Sun, Mar 23, 2008 5:59 AM
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