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Help removing a stuck pulley? - ®smpr_fi_mac® - 07-07-2019

My 3/8" impact driver at ~150psi can't make it budge. Note that I'm not actually pulling on the pulley--it's loose. The piece that mounts between the pulley and shaft won't come off.

Advice?


RE: Help removing a stuck pulley? - castguy2003 - 07-07-2019

(07-07-2019, 06:30 PM)®smpr_fi_mac® Wrote: My 3/8" impact driver at ~150psi can't make it budge.  Note that I'm not actually pulling on the pulley--it's loose.  The piece that mounts between the pulley and shaft won't come off.

Advice?

Try to heat just the taper lock hub with a torch to expand it and break the rust lock.


RE: Help removing a stuck pulley? - MarkSingleton - 07-07-2019

Yup. Propane torch ( flame wrench ).


RE: Help removing a stuck pulley? - ®smpr_fi_mac® - 07-07-2019

Duh.

I knew this.

At some point in the past!


RE: Help removing a stuck pulley? - hairy - 07-08-2019

(07-07-2019, 06:30 PM)®smpr_fi_mac® Wrote: My 3/8" impact driver at ~150psi can't make it budge.  Note that I'm not actually pulling on the pulley--it's loose.  The piece that mounts between the pulley and shaft won't come off.

Advice?

Are any of those holes threaded? If so, insert a bolt or bolts, and use them to push it off.

Lubrication is always better than dry. Automatic trans fluid works good in that situation.


RE: Help removing a stuck pulley? - goaliedad - 07-08-2019

PB Blaster would be my first try. And heat


RE: Help removing a stuck pulley? - Stwood_ - 07-08-2019

I'd let it soak for a while. TF or penetrating oil....
Then a hard rap on the puller shaft after it's tightened up.
Then some heat as suggested above if that fails.


RE: Help removing a stuck pulley? - blackhat - 07-08-2019

Cut a block of scrap wood that will slide under the hub and support it. With the block in place, tap a small cold chisel into the slot in the hub, rotate the hub and repeat in the other slot. Might have to do this a couple times on each side. Penetrating oil into the slots.


RE: Help removing a stuck pulley? - Chuck 80 - 07-08-2019

(07-07-2019, 06:30 PM)®smpr_fi_mac® Wrote: My 3/8" impact driver at ~150psi can't make it budge.  Note that I'm not actually pulling on the pulley--it's loose.  The piece that mounts between the pulley and shaft won't come off.

Advice?
Soak it with "Kroil" or as one of my maintenance men called it 'Panther pee" Best I have ever used.


RE: Help removing a stuck pulley? - Phil Thien - 07-08-2019

A wise man once asked me, "are you sure it is supposed to come off of there?"