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Discussion Forum

Hyd. problem,s 175 allis chalmers

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jerome hale

04-28-2002 12:08:29

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information on ,or advise on repairing hyd. pump,please help.

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Craig MO

04-29-2002 17:42:08

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 Re: hyd. problem,s 175 allis chalmers in reply to jerome hale, 04-28-2002 12:08:29  
After taking hyd. pump off tractor scribe a line across it on a slant so assembly will be easier. It depens wether you have a 1,2 or 3 section pump. All sections are basicly the same wiyh oring seals backups and wear plates. Pay particular attention to wear plates and gear housings for wear. If you have grooves cut into wear plates and outside edges of housings where gears run you will probably want to buy a new pump. Wear over .007 where gears run will cause sluggish pickup of oil and loss of oil bypassing past outside of gears. It would probably be best to have tractor hyds. flowrated before you take pump off to repair as to know what condition it really is in. The orings and backups can be a little difficult to make stay in place while assembling. If you are a little about reparing yourself it would be best to let a mech. do it as seal kits to do it over can get rather pricey.

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