Piper Cherokee Six Service Manual page 240

PIPER CHEROKEE SIX SERVICE MANUAL
TABLE VA-III. HYDRAULIC SYSTEM TROUBLESHOOTING
Trouble
Cause
Remedy
Landing gear retraction
system fails to
operate.
Landing gear actuator
circuit breaker open.
Reset circuit breaker
and determine cause
for open circuit
breaker.
Landing gear selector
circuit breaker open.
Landing gear actuator
circuit wires broken.
Landing gear selector
circuit wires broken.
Safety (squat) switch
out of adjustment.
Squat switch inoper-
ative.
Pressure switch
inoperative.
Pump retraction sole-
noid inoperative
(inboard solenoid).
Reset circuit breaker
and determine cause
for open circuit
breaker.
Check wiring.
Check wiring.
Readjust switch. (Refer
to Adjustment of
Safety Switch, Section
VIA.)
Replace switch.
Replace switch.
Replace solenoid.
HYDRAULIC SYSTEM
Issued: 7/28/75 1J24