Troubleshooting
18
3A6349A
Troubleshooting
1.
Follow
Pressure Relief Procedure
, page 12,
before checking or repairing the pump.
2.
Check all possible problems and causes before dis-
assembling the pump.
Problem
Cause
Solution
Air bubbles in fluid
Suction line is loose
Tighten suction line
Fluid leaking
Loose fittings
Tighten fittings
Worn or damaged seals and/or pack-
ing
Adjust or tighten seals and/or pack-
ing. If leak persists, replace seals
and/or packing.
Lever arm moving, but fluid not mov-
ing
Pump stalled
Check pump for contamination
Air in pump
Prime pump
Worn or damaged check valve seals
Replace inlet and outlet check valves