Piper Navajo Chieftain PA-31-350 Service Manual page 266

NAVAJO CHIEFTAIN SERVICE MANUAL
TABLE V-III. TROUBLESHOOTING CHART (SURFACE CONTROLS) (cont.)
Trouble
Cause
Remedy
FLAP CONTROL SYSTEM (cont.)
have erratic
Transmission needs lu-
Lubricate trans
ation during
brication.
Flaps
operation during
smission.
extension and re-
traction. (cont.)
Flap on one side
fails to operate.
Broken flexible
actuator shaft.
Defective transmission.
Replace flexible shaft.
Determine cause and
replace or repair.
Check operation.
Faulty time delay
switch.
No indication of
flap position on
indicator.
Defective indicator
unit.
Defective sender unit.
Sender unit not
adjusted properly.
Replace indicator unit.
Replace sender unit.
Adjust sender unit.
Defective wiring.
Battery switch off.
Circuit breaker open.
Sender unit ground open.
Check and repair
wiring.
Turn switch on.
Reset circuit breaker.
Check ground connec-
tion.
SURFACE CONTROLS
Reissued: 9/23/80
1L2