Cessna 182 1978 - Electric Clock; Outside Air Temperature Gage

MODEL 182 & T182
SERIES SERVICE
MANUAL
15-72.
TROUBLE
SHOOTING.
TROUBLE
PROBABLE CAUSE
REMEDY
INDICATOR
POINTER
Automatic resetting
circuit
Replace circuit
breaker.
FAILS
TO RESPOND.
breaker defective.
Master switch
"OFF" or
Replace defective switch.
switch defective.
Broken or grounded
lead to Repair or
replace defective
indicator.
wiring.
Indicator not grounded.
Repair
or replace defective wire.
Defective
mechanism.
Replace
instrument.
HAND SLUGGISH
IN RE-
Defective mechanism.
Replace instrument.
TURNING
TO ZERO.
Low voltage. Correct voltage.
POINTER
DOES NOT
Defective
mechanism.
Replace
instrument.
INDICATE PROPER TURN.
HAND DOES
NOT SIT
ON
Gimbal
and rotor
out of
Replace
instrument.
ZERO.
balance.
Hand
incorrectly
sits
on
rod.
Replace
instrument.
Sensitivity
spring
adjustment
Replace
instrument.
pulls hand off zero.
IN
COLD TEMPERATURES,
Oil in
indicator becomes
Replace
instrument.
HAND FAILS
TO RESPOND
too thick.
OR IS SLUGGISH.
Insufficient
bearing
end
play.
Replace
instrument.
Low voltage.
Correct
voltage.
NOISY GYRO. High voltage. Correct voltage.
Loose or defective
rotor
Replace instrument.
bearings.
15-73.
ELECTRIC
CLOCK.
Beginning
with 1979
Models a digital
clock may be
installed.
Refer to Pilots
Operating Handbook
for
15-74. DESCRIPTION.
The electric
clock
is con-
operating
procedures.
nected
to the battery through
a one-ampere
fuse
mounted adjacent
to the battery box.
The electrical
15-75. OUTSIDE
AIR TEMPERATURE GAGE.
circuit
is separate
from the aircraft
electrical sys-
(See figure
15-7.)
tern and will
operate when the master
switch is OFF.
15-27/(15-28
blank)