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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
'89 Bobcat 743 control valve
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<blockquote data-quote="billrbg" data-source="post: 78351" data-attributes="member: 10970"><p>Bad, BAD news. The cooler line was no problem, just awkward and messy. I could really find nothing wrong with the main relief, so started accepting that the leak might be from the spool just below it. I did have some slight hope that the leak at the cooler was running down that hard-line and just appearing at the Control Valve... but not so. With everything back together I fired it up and it now looks like the fluid is coming out the detent-cap on the lift spool. There is a little notch at the base of that cap, probably to relieve the inevitable slight leakage, and fluid is spurting up out of that notch onto the main relief. I did NOT take that detent stuff off the spools when I changed the spool seals. Does anybody know if there are seals in the detent that would cause external leakage like this? Can that detent stuff be removed with the spool in-place, so that I can change seals in there (and even rear spool seal) without removing the spool?</p></blockquote><p></p>
[QUOTE="billrbg, post: 78351, member: 10970"] Bad, BAD news. The cooler line was no problem, just awkward and messy. I could really find nothing wrong with the main relief, so started accepting that the leak might be from the spool just below it. I did have some slight hope that the leak at the cooler was running down that hard-line and just appearing at the Control Valve... but not so. With everything back together I fired it up and it now looks like the fluid is coming out the detent-cap on the lift spool. There is a little notch at the base of that cap, probably to relieve the inevitable slight leakage, and fluid is spurting up out of that notch onto the main relief. I did NOT take that detent stuff off the spools when I changed the spool seals. Does anybody know if there are seals in the detent that would cause external leakage like this? Can that detent stuff be removed with the spool in-place, so that I can change seals in there (and even rear spool seal) without removing the spool? [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
'89 Bobcat 743 control valve
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