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Caterpillar injector pump

C ountry

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Old but still Bold, CSA Blood
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Caterpillar injector pump discharge. Black circle is threaded outside. Splined inside. I got special tool fits it. Can't turn it with one wrench hooked over end of another. Can't put torch on the ring.
Ring has to come out. Needs O ring under it. Ideas?.
IMG_20201230_151323.jpg
 
Maybe you tube video?
Engine & machine too old for youtube. The wrench came that fits splines in the center. Won't budge. Can't put fire on the injector pump, scared pull bar will break the cast iron. I got enough junk in the yard now. Don't need this 20,000 pound Cat added to the Tahoe, Benz & Nissan,. Ike's, grills, barrels etc . Got to fix this one to shove the rest away & finish the zipline
 
We would build a coffer dam around the area with some epoxy, let soak in Liquid wrench lake for a few days, drain, then hit it for 45 seconds with propane torch, then the wrench with a 4' pipe.

Also used a slide hammer for injectors.
 
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