Trouble
Piston will not advance
or retract
Piston will not retract
Cylinder will not build
up
pressure
Ratchet will not turn
Tool tightens
immediately when
turned on
Pump will not build up
pressure
Pressure reading erratic
42
TROUBLESHOOTING GUIDE
Probable Cause
Couplers are not securely
attached to the tool or pump
Coupler is defective
Defective remote control switch
Dirt in the direction-control valve of
the pump unit
Hose connections reversed
Retract hose not connected
Retract pin broken
Piston seal and/or end plug seal
leaking
Retaining screws sheared
Coupler is defective
Grease or dirt build up in the teeth
of the ratchet link
and drive segment
Worn or broken teeth on ratchet
and/or drive segment
Hose connections are
reversed
Defective relief valve
Air supply too low or air hose too
small
Electric power source is too low
Defective gauge
Low oil level
Clogged filter
Defective gauge
Solution
Check the coupler connections
and make certain that they are
connected
Replace any defective coupler.
Replace the switch and/or control
pendent
Disassemble the pump and clean
the direction-control valve.
Make certain the advance on the
pump is connected to the advance
on the tool and retract on the pump
is connected to the retract on the
tool
Connect the retract hose securely
Replace the broken pin and/or
spring
Replace any defective o-rings
Replace any broken screws.
Replace any defective coupler
Disassemble the ratchet and clean
the grease or dirt out of the teeth
Replace any worn or damaged
parts
Depress the advance button to
release the tool; shut the pump off
in the advance position and reverse
the hose connection
Inspect, adjust or replace the relief
valve
Make certain the air supply and
hose size comply with the pump
manual recommendations.
Make certain the amperage, voltage
and any extension cord size comply
with the pump manual requirements
Replace the gauge
Check and fill the pump reservoir
Inspect, clean and/or replace the
pump filter
Replace the gauge