
9
TROUBLE SHOOTING GUIDE
PROBLEM CAUSE SOLUTION
Pump reciprocates but
no oil delivered.
(ram does not retract)
1.
Low oil level
2.
Pump not primed
1.
Replenish oil reservoir
2.
See “Priming The Pump
Unit” page 7
Low oil delivery
(ram retracts slowly)
1.
Inadequate air
supply
2.
Hydraulic failure
1.
Check air input supply. Set
at 80 PSI minimum.
2.
Contamination. Check air
supply of pump. Clean
Pump will not build to
maximum pressure.
(no visible leaks)
Check the air supply
80 to 100 PSI required to build
maximum pressure.
Pump builds pressure
but will not hold
system pressure.
Check hydraulic
connections
Tighten and seal as needed