Product Manual

Rev. O 13
Unit Struggles to Lift Load
Dead or Low Battery
Load test battery
Charge or replace battery
Poor Ground
Ground battery directly to DC
motor
Use jumper cables to jump
ground only
Directional valve not
completely shifting**
Check for bent valve stem
Replace valve if stem is
bent
Check cross drilled holes
between o-rings of valve for
debris
Replace valve if spool is not
shifting
(for most directional valves
the spool will cover half of
the cross drilled holes when
valve is at its at rest or
activated positions)
Ensure valve is shifting
(use dipstick push on valve
spool to shift valve. Look
through cross drilled holes
between o-rings insuring valve
is shifting)
Debris in screen of load
holding valve
Remove load holding valve.
Inspect screen & valve for
debris. (DO NOT REMOVE
VALVE FOR INSPECTION IF
SYSTEM IS UNDER
PRESSURE)
Use dipstick on power unit
to manually shift the valve.
This is accomplished by
inserting the dipstick in the
nose of the valve and
applying pressure. Replace
valve if it doesn't shift.
Rust in Motor Bypass Start Solenoid
If motor doesn't run at a
higher RPM after bypassing
start solenoid, remove rear
cover of motor for quick
inspection.
Worn seals in cylinder
Packing on piston of cylinder
could be bad and be wedged
against bore of cylinder.
Have cylinder tested by
certified technician