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Thomas 243 HDS Auxiliary pump oring leak
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<blockquote data-quote="jim743" data-source="post: 93251" data-attributes="member: 10393"><p>I have replaced the O-rings on the Auxiliary and charge pump due to an oil leak at the rear of the Aux pump where aluminum center meets cast iron housing. 1st replaced with std oring, but leaked as it pinched, as was .010" too big. Polished all mounting surfaces and installed metric O-rings. Dripping from rear after filling, not run. Disassembled, inspected, and reassembled with Loctite 518 as advised by HD mechanic. Good until machine was run, now dripping while sitting. What could I be missing? Cannot see any cracks or pitting, casting flaws.</p></blockquote><p></p>
[QUOTE="jim743, post: 93251, member: 10393"] I have replaced the O-rings on the Auxiliary and charge pump due to an oil leak at the rear of the Aux pump where aluminum center meets cast iron housing. 1st replaced with std oring, but leaked as it pinched, as was .010" too big. Polished all mounting surfaces and installed metric O-rings. Dripping from rear after filling, not run. Disassembled, inspected, and reassembled with Loctite 518 as advised by HD mechanic. Good until machine was run, now dripping while sitting. What could I be missing? Cannot see any cracks or pitting, casting flaws. [/QUOTE]
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Thomas 243 HDS Auxiliary pump oring leak
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