15
FAULT FINDING
Under no circumstances dismantle the unit unless it is certain that
the fault is internal. Doing so will allow air into the cylinder,
requiring the unit to be bled for which special tools are needed.
Ref. page 13.
Caution
Any damage to the piston rod will damage its seals and allow air into the
cylinder and oil leaks.
1) Motor does not run
: check electrical connections.
: check course computer output.
2) Motor runs, but erratic or no piston movement
: check for solenoid operation.
: check for air in the cylinder and external leaks.
: check drive coupling.
3) Excessive noise
: check the motor for damage.
: check for air in the cylinder and external leaks.
: check drive coupling.
4) Failure of clutch to engage or disengage
: check solenoid operation.
