Piper Cherokee Six Service Manual page 241

PIPER CHEROKEE SIX SERVICE MANUAL
TABLE VA-III. HYDRAULIC SYSTEM TROUBLESHOOTING (cont.)
Trouble
Cause
I
Remedy
NOTE
If the retracting solenoid of the pump can be heard to
actuate when operating the gear selector switch, it may be
assumed that the gear control circuit is operating properly
and the actuator circuit should be further checked.
Landing gear retraction
system fails to
operate. (cont.)
Gear selector switch
ground incomplete.
Gear selector switch
inoperative.
Check ground.
Replace switch.
Hydraulic pump ground
incomplete.
Hydraulic pump inop-
erative.
Auxiliary extender
switch inoperative.
Hydraulic fluid in
reservoir below
operating level.
Battery low or dead.
Check ground.
Replace or overhaul
pump.
Replace unit.
Fill reservoir with
hydraulic fluid.
Check condition of
battery.
HYDRAULIC SYSTEM
Issued: 7/28/75
1K1