Piper Cherokee Six - Page 245

PIPER CHEROKEE
SIX SERVICE MANUAL
TABLE
VA-III.
HYDRAULIC
SYSTEM
TROUBLESHOOTING
(cont.)
Trouble Cause
Remedy
Pump fails
to shut
off
though gear has fully
retracted.
Pressure
switch
inop-
erative.
Replace
switch.
Pressure switch out of
adjustment.
Pump
retraction
sole-
noid sticking (in-
board
solenoid).
Internal
leakage
of
system.
Replace
switch.
Replace
solenoid.
Check
back-up
exten-
sion unit
valve
for
internal
leakage.
Check
gear
actuating
cylinders
for internal
leakage.
Check
for internal
dam-
age
to hydraulic
pump.
External
leakage
of
system.
Check back-up
exten-
sion unit valve for
external leakage.
Check
gear actuating
cylinders for external
leakage.
HYDRAULIC
SYSTEM
Issued: 7/28/75
1K5