Group 29, Hydraulic Sump, Filters, and Pump
SM 765, Nov ’06 Main Hydraulic Pump Troubleshooting • 29-2-3
External Leakage
• Excessive system pressure; replace pressure con-
trol valve on main hydraulic valve.
• Faulty or distorted pump seal gasket; replace seal
gasket.
• Damaged surfaces on pump body or cover; correct
and replace as required.
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