1C-30 - TROUBLESHOOTING 90-823225--1 1096
Noisy Pump
Cause Special Information
Drive belt Check belt tension
Low fluid level
Air in fluid Air leak in lines, pump, or air form installation
Faulty pump Use stethoscope to listen for noise in pump
Restricted fluid passages Kinks or debris in hoses or debris in passages
Stop nut adjusted improperly Refer to appropriate Stern Drive Service Manual
Steering cables installed that do not meet BIA
standards
Refer to appropriate Stern Drive Service Manual
Fluid Leaks
Cause Special Information
Loose hose connections Refer to Section 10A for bleeding instructions
Damaged hose
Oil leaking from top of pump System overfilled; fluid contains water; fluid
contains air
Cylinder piston rod seal
Faulty seals in valve
Faulty seals in o-rings in pump
Cracked or porous metal parts
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