Piper PA-28RT-201T - Page 331

29-00-02
Page 29-10
December 1, 1978
2C4
CHART 2901. HYDRAULIC SYSTEM TROUBLESHOOTING (cont.)
Pump stops during gear Landing gear actuator Reset circuit breaker and
retraction. circuit breaker opens. determine cause for over-
load.
Landing gear selector Reset circuit breaker and
circuit breaker opens. determine cause for over-
load.
Pressure switch out of Remove and readjust or
adjustment. replace switch.
Mechanical restriction or Place airplane on jacks and
obstruction in hydraulic run retraction check.
system to allow pressure to Isolate and determine
build up and shut off pump cause.
before gear has retracted.
Shuttle valve sticking in Check cause.
pump base.
Pump stops during gear Landing gear actuator Reset circuit breaker and
extension. circuit breaker opens. determine cause for over-
load.
Landing gear selector Reset circuit breaker and
circuit breaker opens. determine cause for over-
load.
Pump fails to shut off Pressure switch inopera- Replace switch.
though gear has fully tive.
retracted.
Pressure switch out of Replace switch.
adjustment.
Pump retraction solenoid Replace solenoid.
sticking (inboard solenoid).
Trouble Cause Remedy
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL