Cessna 177 SERIES Service Manual

15-67. TURN-AND-SLIP INDICATOR.
is an electrically operated
instrument powered by the
aircraft electrical
system, therefore,
operating only
15-68. DESCRIPTION. The turn-and-slip indicator when the master switch is ON.
15-69. TROUBLE
SHOOTING.
TROUBLE
PROBABLE
CAUSE REMEDY
INDICATOR
POINTER FAILS
TO Internal fuse
blown.
Check wiring for
continuity,
RESPOND.
check voltage
at indicator.
Replace fuse, if fuse still
blows, replace instrument.
Master switch "OFF" or Check switch "ON. " Replace
switch defective. defective switch.
Broken
or grounded lead
to
Check circuit
wiring. Repair
indicator,
or replace defective wiring.
Indicator
not grounded.
Check ground wire.
Repair
or replace defective wire.
Defective mechanism.
Replace instrument.
HAND
SLUGGISH IN Defective
mechanism. Replace
instrument.
RETURNING TO ZERO.
Low voltage.
Check voltage
at indicator.
Correct voltage.
POINTER
DOES NOT INDICATE Defective
mechanism. Replace
instrument.
PROPER TURN.
HAND
DOES NOT SIT
Gimbal
and rotor out of balance.
Replace
instrument.
ON
ZERO.
Hand incorrectly
sits on rod.
Replace instrument.
Sensitivity spring adjustment Replace instrument.
pulls hand off zero.
IN COLD TEMPERATURES, Oil in indicator becomes too Replace instrument.
HAND
FAILS TO RESPOND
thick.
OR
IS SLUGGISH.
Insufficient bearing
end play.
Replace instrument.
Low voltage.
Check voltage.at
indicator.
Correct voltage.
NOISY GYRO.
High voltage.
Check
voltage at indicator.
Correct voltage.
Loose or defective
rotor
Replace instrument.
bearings.
Change
2
15-25

Cessna 177 SERIES Specifications

General

Manufacturer	Cessna
Engine Type	Piston
Wingspan	35 ft 6 in (10.82 m)
Seating Capacity	4
Number Built	4, 295
Engine	Lycoming O-360
Horsepower	180 hp
Maximum Takeoff Weight	2, 500 lb (1, 134 kg)