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8N Hydraulic pump rebuild

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Steve Butler

03-29-2001 18:31:38




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Three of the four sockets located at the bottom of the valve chambers refuse to come out. It's listed in the I&T FO-4 manual as Item 9 in Fig. FO153. Any ideas on getting these out without damaging the cylinders would be greatly appreciated. Thanks.

Steve Butler




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Mountainman

04-01-2001 11:53:56




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 Re: 8N Hydraulic pump rebuild in reply to Steve Butler, 03-29-2001 18:31:38  
Mine fell out as I recall but if they had been stuck I would have tried soaking them in a variety of chemicals (one at a time) including carb cleaner, wd-40, brake cleaner and marvel mystery oil. Occasionally use a large hammer (but tap gently) to set up the vibrations necessary for the chemicals to do their work.
Plan B might be to see if it could be forced out using grease like a clutch pilot bushing, or tapping in threads and using a long bolt as a puller, but that could lead to a scored cylinder.

Hope this helps

Mountainman (CA)

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Steve Butler

04-01-2001 17:48:27




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 Re: Re: 8N Hydraulic pump rebuild in reply to Mountainman , 04-01-2001 11:53:56  
Thanks for your help Mountainman. All the sockets are loose in that they rotate in the bottom of the chambers but for some reason they won't come out. I've used solvent, carb cleaner, and brake cleaner. I think I may just put it back together as I don't wish to make things worse. The reason I disassembled it was that I had found a piece of wood in the old oil when I changed it and thought I should take a look see at the pump.
Byron- Check out Walt's for the kits.

Thanks,

Steve Butler

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Byron

04-01-2001 08:18:57




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 Re: 8N Hydraulic pump rebuild in reply to Steve Butler, 03-29-2001 18:31:38  
Sorry no one has responded - and I don't have any suggestions for you. I do know that I'm a few hours away from starting in on a hydraulic pump problem - so I was particularly interested in your question. By the way, where did you get your rebuild kit. I know there are a lot of outfits out there but.... Good luck. If it's not too much trouble, I'd appreciate a folo up on your progress. [email protected]

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