Piper Navajo Chieftain PA-31-350 Service Manual page 263

NAVAJO CHIEFTAIN SERVICE MANUAL
Trim
reach
TABLE V-III. TROUBLESHOOTING CHART (SURFACE CONTROLS) (cont.)
Trouble
Cause
Remedy
RUDDER TRIM CONTROL SYSTEM (cont.)
tab fails to
System incorrectly
Check and / or a
full travel.
rigged.
rigging.
Either or both trim
Check and or adjust
drums incorrectly
rigging.
wrapped.
indicator fails
Trim sender unit not
Adjust sender unit
icate correct
adjusted properly.
osition.
Low voltage in system.
Check power supply
indicator fails
Circuit breaker open.
Reset circuit breaker
djust
djust
nit.
Trim i
to ind
trim p
pply.
breaker.
Trimi
to indicate any move-
ment.
0
Master switch not on.
Trim indicator ground
open.
Trim sender unit de-
fective.
Trim indicator defec-
tive.
Defective wiring in
system.
Trim sender unit
ground open.
Turn on master switch.
Check ground wire.
Replace sender unit.
Replace indicator unit.
Check wiring.
Check sender unit
ground.
Trim indicator
pointer moves to
extreme right position.
Reissued: 9/23/80
SURFACE CONTROLS
1K23