Stanley Black & Decker TA54 Manual Do Utilizador

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 flow 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.