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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: 54993" data-attributes="member: 307"><p>Well I hooked in a pressure guage to #3 section and I got nothing, not even 50 psi. It will pump oil out the open line but appears to have minimal pressure.</p><p>Never dawned on me at the time, but while connecting the guage to the fitting oil was flowing through the pump. A gear pump should not free flow?????????</p><p>Something must be assembled wrong between section 2 and 3. This is the pump that has the check valve port block between section 2 and 3. Also 2 and 3 share a common suction hose through a port iside the pump. Where as #1 has its own inlet.</p></blockquote><p></p>
[QUOTE="skidsteer.ca, post: 54993, member: 307"] Well I hooked in a pressure guage to #3 section and I got nothing, not even 50 psi. It will pump oil out the open line but appears to have minimal pressure. Never dawned on me at the time, but while connecting the guage to the fitting oil was flowing through the pump. A gear pump should not free flow????????? Something must be assembled wrong between section 2 and 3. This is the pump that has the check valve port block between section 2 and 3. Also 2 and 3 share a common suction hose through a port iside the pump. Where as #1 has its own inlet. [/QUOTE]
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328 Hyd pump sucking air
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