Posted by Bob3 Martin on September 09, 2012 at 12:39:08 from (71.7.75.192):
In Reply to: Re: 806 RD pump posted by pete 23 on September 08, 2012 at 22:45:34:
Just thought I"d add this note in case someone comes up with one of these old dinosaurs with a similar problem.
The bleed knob/stem I had the leak at is in good shape now.
This is what I did with Pete"s expertise.
At the rear of the injection pump is the primary pump Pete said I need to get into to access a pin to remove the bleed stem to replace the leaking "0" ring. The little 1/4 serrated head bolts hold the end cap on and the two allen bolts hold everything to the injection pump.
The little release pin Pete mentioned is down at the bottom of the casting and goes through to a ridge on the stem with a flat on it. If you just loosen all the end bolts about 3/8 inch and pull the end cap back from the main body with the bolts left in place you can turn the bleed stem back and forth and force the retainer pin away from the stem, then pull the stem out and replace the "0" ring. Then just tighten it all back down and you"re ready to go.
The best way to fix it is like Tractor Vet said - take it to a pump guy that knows what he"s doing.
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