User Manual

12
• As a check, refer to figure M and the
tables below for the correct height of
the drive unit retaining pin (Y).
Pin Height - W22000 Series
(fig. M, dimension “Y”)
Metric Imperial
7,5 mm 0.296 inch
Pin Height - W35000 Series
(fig. M, dimension “Y”)
Metric Imperial
7,0 mm 0.276 inch
• Reverse the procedure to reassemble
the tool.
5.3 Troubleshooting
5.3.1 Drive Unit
Symptom Cause Remedy
Cylinder does not advance Quick-connect coupling Replace the coupling
or retract is damaged
Quick-connect coupling is Reconnect the hoses
not connected and couplings securely
Dirt in the direction control Disassemble the unit
valve on the pumping unit and clean the valve
Cylinder does not build up Piston seal leaks Replace the seals
pressure Pump does not build pressure Adjust the pressure
Pump is defective Refer to the pump manual
Cylinder leaks Seal failure Replace the cylinder seals
Cylinder operates backwards Connections are reversed Reconnect the hoses
5.3.2 Cassette
Symptom Cause Remedy
Ratchet returns on retract stroke Broken drive shoe Replace the drive shoe
Ratchet does not take Defective drive shoe Replace the drive shoe
successive strokes
Lubricant on the ratchet Disassemble the
and/or drive shoe splines cassette and remove the
lubricant from splines
Fig. M