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  1. Forum
  3. Antique Caterpillar Machinery Owners Club
  5. DISCUSSION
  7. Sprocket bearing adjustment

Sprocket bearing adjustment

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4 years 1 week ago - 4 years 1 week ago #223718 by Rusty Iron
Replied by Rusty Iron on topic Sprocket bearing adjustment
The OTC 7308 seems to come with two interchangable jaws, one 3/8" thick and one 3/4" thick. The OTC 7309 has one jaw only. They seem to have the same capacity but for some reason the 7308 is a lot chaeper.
I'll have to keep a search on e-bay.....maybe I'll get lucky too.
www.otctools.com/products/heavy-duty-adjustable-spanner
www.otctools.com/products/adjustable-hook-spanner-wrench-0
.

Facom makes a similar one too that has a capacity up to 12 3/4" but it's more expensive.
www.misterworker.com/en/facom/heavy-duty...enches-119/5137.html
Last edit: 4 years 1 week ago by Rusty Iron.
The following user(s) said Thank You: Deebo

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4 years 1 week ago #223719 by Deebo
Replied by Deebo on topic Sprocket bearing adjustment

The OTC 7308 seems to come with two interchangable jaws, one 3/8" thick and one 3/4" thick. The OTC 7309 has one jaw only. They seem to have the same capacity but for some reason the 7308 is a lot chaeper.
I'll have to keep a search on e-bay.....maybe I'll get lucky too.
www.otctools.com/products/heavy-duty-adjustable-spanner
www.otctools.com/products/adjustable-hook-spanner-wrench-0
.

Facom makes a similar one too that has a capacity up to 12 3/4" but it's more expensive.
www.misterworker.com/en/facom/heavy-duty...enches-119/5137.html


Good spot with the Facom not cheap though! I did wonder why the 7308 is cheaper as it seems more versatile with the 2 jaws.

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4 years 3 days ago #223806 by mog5858
Replied by mog5858 on topic Sprocket bearing adjustment
funny I was just looking for one of them myself. the 7309 has a closed-end to keep the hook in place we the other one is just one-sided easy for manufacturing, but that also put the pin in single shear so it will not be very strong is there any play. can someone tell me the pin size I think I will just try and make one?

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4 years 3 days ago #223812 by willwingo
Replied by willwingo on topic Sprocket bearing adjustment
My OTC CT-686 spanner is the "closed end" style. Not a pin but is a 1/2" bolt with 1" shank and 1/2" of slow threads. No grade markings on the head.
I tried making several in the shop and was not successful. Ended up getting the right tool.
Good Luck.
The following user(s) said Thank You: cooper

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1 year 3 months ago #250426 by cooper
Replied by cooper on topic Sprocket bearing adjustment
I have a CAT 14A leaking 85-140 from final drive reservoir & needs sprocket bearing tightened up. I don't have a spanner wrench but need one unless there is another way to do it.

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1 year 3 months ago #250438 by trainzkid88
Replied by trainzkid88 on topic Sprocket bearing adjustment
a slow difficult job with a brass drift and hammer. i would see if there is a heavy equipment mechanic near you that has the spanner. or a member you can borrow it off.

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  1. Forum
  3. Antique Caterpillar Machinery Owners Club
  5. DISCUSSION
  7. Sprocket bearing adjustment
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