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TA54 User Manual ◄ 13
SYMPTOM CAUSE SOLUTION
Oil leakage on piston rod. Lower piston seal failure. Replace seal and wiper, piston and
nose as required.
Oil leakage around trigger. Valve spool seal failure. Replace seals.
Oil leakage around spool end
caps.
O-ring failure. Replace O-rings.
Piston extends but does not
retract (reciprocate).
Pressure and return reversed. Correct the proper ow direction at
power unit or tool.
Tool not assembled correctly. Review service instructions for proper
assembly or contact an authorized
Stanley Hydraulic Tools distributor.
Also check the following:
1. Flow sleeve lined up correctly with
locating pin.
2. Oil tubes reversed at ON/OFF
valve.
3. Front sleeve in correctly.
4. Thrust bridge washer in correctly.
Back-pressure too high. Check hydraulic system for excessive
back-pressure over 250 psi/17
bar measure at the end of the tool
operating hoses.
TROUBLESHOOTING