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Bobcat Skidsteer Forums
Bobcat Excavators
328 Hyd pump sucking air
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<blockquote data-quote="skidsteer.ca" data-source="post: 55017" data-attributes="member: 307"><p>The brand new pump I have makes no pressure on sections 2 and 3. I removed the guage from the from the line conected to the test port on #3. On the starter it won't even lift the oil up to run out the open hose back into the top of the hyd fill. With the engine runniing I can hold back the flow coming out of this hose with my thumb, maybe 5 psi. (not flying out the line like its going to empty the tank in 60 seconds) No wonder my guage with the 1st graduation at 100 psi won't even wiggle the neeedle.</p><p>Guess its time for another new pump. Haldex must not test these??</p><p>Smallie, I hear you, but I drove this thing in the shop and it basically worked other then foaming the oil. The only hoses that have been off are the 6 on the pump. 2 suctions you can't screw up, 3 outputs, #8 jic F with 90's up from below, and the check valve line that comes in from the top, also #8 90. But if the pump makes no flow it does not matter what line you hook to it.</p><p>Ken</p></blockquote><p></p>
[QUOTE="skidsteer.ca, post: 55017, member: 307"] The brand new pump I have makes no pressure on sections 2 and 3. I removed the guage from the from the line conected to the test port on #3. On the starter it won't even lift the oil up to run out the open hose back into the top of the hyd fill. With the engine runniing I can hold back the flow coming out of this hose with my thumb, maybe 5 psi. (not flying out the line like its going to empty the tank in 60 seconds) No wonder my guage with the 1st graduation at 100 psi won't even wiggle the neeedle. Guess its time for another new pump. Haldex must not test these?? Smallie, I hear you, but I drove this thing in the shop and it basically worked other then foaming the oil. The only hoses that have been off are the 6 on the pump. 2 suctions you can't screw up, 3 outputs, #8 jic F with 90's up from below, and the check valve line that comes in from the top, also #8 90. But if the pump makes no flow it does not matter what line you hook to it. Ken [/QUOTE]
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328 Hyd pump sucking air
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