Posted by sweinert on October 16, 2020 at 20:21:42 from (209.152.71.182):
The power steering on my 602 works well to the right, but not to the left. According to the repair manual, this can be caused by a sticking control valve spool. I have taken the control valve apart, cleaned all parts, replaced all O-rings, and reassembled - no change. I could not figure out how to remove the relief valve (I assume it is the gray circle on the 2nd picture) - could this be part of the problem and does anyone have suggestions as to how to get it out? Also - the first picture shows a notch in the end of the control valve spool. Is that significant? (I couldn't find a reason or any particular reason to place the notch in any particular position.) Any information or assistance would be appreciated.
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Today's Featured Article - Tuning-Up Your Tractor: Secondary Ignition Wires and Distributor - by Curtis Von Fange. In our last episode we spent the entire day checking out the spark plugs. Is that efficency? Actually, it took more time to explain than it really did to do the inspection. At any rate we decided that a compression test was in order so we could verify the internal engine status. That way we wouldn't buy any tune up parts until we were sure that the engine was in reasonable mechanical condition. Our tests showed a fictional compression reading of 85, 80, 82 and 86 psi. That is well within a
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