Piper Cherokee Six - Troubleshooting

PIPER
CHEROKEE
SIX SERVICE
MANUAL
9-40. TROUBLESHOOTING.
TABLE
IX-VII.
MAGNETIC
COMPASS
Trouble
Cause Remedy
Excessive card error.
Compass
not
properly
compensated.
Compensate
instrument.
(Refer
to Para.
9-39a.)
External
magnetic
interference.
Locate
magnetic
inter-
ference and eliminate
if possible.
Excessive card
oscillation.
Card sluggish.
Insufficient
liquid.
Weak
card
magnet.
Replace instrument.
Replace instrument.
Excessive
pivot
fric-
tion
or
broken
jewel.
Replace instrument.
Liquid
leakage.
Loose bezel screws.
Replace
instrument.
Broken cover glass.
Defective
sealing
gaskets.
Replace instrument.
Replace instrument.
Replace
instrument.
Discolored
markings.
Age.
Defective light.
Card
sticks.
Card
does not
move
when compensating
screws are turned.
Burned out lamp or
broken circuit.
Altitude compensating
diaphragm
collapsed.
The gears that turn
compensating
magnets
are stripped.
Check lamp or continuity
of
wiring.
Replace instrument.
Replace
instrument.
Compass swings
erratically
when
radio transmitter
is keyed.
Normal.
Revised: 7/29/77
INSTRUMENTS
2K22