Piper Navajo PA-31 Service Manual page 669

Pointer sluggish in
returning
to zero
and does not set on
zero when stationary.
Ball in inclinometer
does not center.
PIPER NAVAJO SERVICE MANUAL
TABLE X-II.
TROUBLESHOOTING CHART (INSTRUMENTS) (cont.)
Trouble
I
Cause
I
Remedy
TURN AND BANK INDICATOR (cont.)
Oil or dirt between
damping pistons
and cylinder.
Excessive
clearance
between rotor and
rotor pivots.
Instrument
out of align-
ment on panel.
Replace instrument.
Replace instrument.
Correct alignment.
OIL TEMPERATURE INDICATORS
Instrument fails to show
any reading.
Excessive scale error.
Pointer fails to move
as engine is warmed
Broken or damaged
capillary. Wiring
open.
Improper calibration
adjustment.
Broken or damaged
capillary or open
wiring.
Check engine unit and
wiring to instrument.
Repair or replace.
Check engine unit and
wiring.
Dull or discolored
luminous marking.
Age.
Replace instrument.
Reissued: 10/12/79
INSTRUMENTS
3E7