Primary Mover
Mandeville, LA
Page 25
TROUBLE SHOOTING
Not Building Pressure
Motor Not Running
Cylinder W
on’t Extend
Cylinder W
on’t Retract
W
on’t Hold Load
Excessive Heat From Unit
Aeration of Hyd. Fluid
Reservoir Overflows
Struggles to Lift Load
Load Bounces When Cylinder Retracts
Start Solenoid Just Click-Motor Not Engaging
W
on’t Lift Load (DC Motor Under Load)
W
on’t Lower
Start Solenoid Stays On
Cylinder W
on’t Retract ( Motor Under Load)
Low Battery Voltage
o o o
o
o
o
Poor Ground Condition
o o o
o
o
o
Check Hand Control
o
o
o
Debris in Load Holding Valve
o
Coil Not Energizing
o o
o o
o
Bad Seals in Cylinder
o
o
o
Loose Inlet
o
o
o
o
Hoses Connected Backwards
o
Pump Not Priming
o
o
Clogged Orifice
o
o
o
Rust in Motor
o
Check for Additional Valving On or Con-
nected to Cylinder
o
o
Directional Valve Not Shifting Properly
o o
o
o
o
Bad Start Solenoid
o
o
o
Dirty Contacts in Hand Control
o
o o
Reservoir More Than ½ Full with
Cylinder Fully Extended
o
POSSIBLE CAUSE
PROBLEM
