Piper Navajo Chieftain PA-31-350 Service Manual page 257

NAVAJO CHIEFTAIN SERVICE MANUAL
Trim in
to indic
TABLE V-lll. TROUBLESHOOTING CHART (SURFACE CONTROLS) (cont.)
Trouble
Cause
Remedy
AILERON TRIM CONTROL SYSTEM (cont)
dicator fails
Circuit breaker open.
Reset circuit brea
ate any movement.
Master switch not on.
Turn on master swich
Trim indicator ground
Check ground wire.
open.
Trim sender unit de- Replace sender unit.
fective.
Trim indicator unit
Replace indicator
defective.
Defective wiring in
Check wiring.
system.
indicator
Trim sender unit
Check sender unit
moves to ground open.
ground.
right position.
ELEVATOR CONTROL SYSTEM
otion between Cable tension too low.
Adjust cable tension
aker.
witch.
re.
nit.
r unit.
t
Trim indicator
pointer
extreme
Lost motion between
inn
control wheel and
elevator.
Linkage loose or worn.
Broken pulley.
Cables not in place on
pulleys.
Check linkage and tight-
en or replace.
Replace pulley.
Install cables correctly.
Reissued: 9/23/80
SURFACE CONTROLS
1K17