Posted by 36 coupe on July 15, 2010 at 04:36:07 from (216.220.250.223):
In Reply to: Jubilee Hydralic pump posted by Dennis Scheel on July 13, 2010 at 20:49:22:
You can get a rebuild for the vane pump.400 bucks.Try this first.Drain the hydraulic system,it must have the water thin 134 fluid in it.Go to TSC and buy 5 quarts of GL1 90 weight gear oil for 15 bucks.The service manual Ford published for this tractor says use 80 or 90 wt. gear oil.My 640 had a bad loss of lift power when the oil got hot.With the 90 wt oil the trouble is over.Converting to a piston pump can cost 1200 to 1600 bucks.Try the 90 wt oil first.Ford never reccommended the 134 oil,CNH did that.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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