Cessna 177 SERIES Service Manual

SECTION 15
INSTRUMENT AND INSTRUMENT SYSTEMS
Page No.
TABLE OF CONTENTS Aerofiche/Manual
INSTRUMENT
AND INSTRUMENT
Description .....................
2A22/15-15A
SYSTEMS ...........................
2A2/15-1
Trouble Shooting ................
2A22/15-15A
General ............................
2A2/15-1
Oil Temperature Gage
.............. 2A23/15-15B
Instrument
Panel ....................
2A5/15-3
Description
. .................... 2A23/15-15B
Description .......................
2A5/15-3
Carburetor
Air Temperature
........ 2A23/15-15B
Removal and
Installation ..........
2A5/15-3
Description .
.................... 2A23/15-15B
Shock Mounts .....................
2A5/15-3
TroubleShooting
............
2A23/15-15B
Instruments
.......................
2A5/15-3
Fuel Pressure
. ....................
2B2/15-18
Removal .......................
2A5/15-3
Description . ..............
2B2/15-18
Installation
...................
2A5/15-3
Trouble Shooting
................
2B2/15-18
Pitot and
Static Systems ..............
2A5/15-3
Manifold Pressure
.............
2B3/15-19
Description
. .....................
2A5/15-3
Description .
.............. 2B3/15-19
Maintenance . .
............. 2A5/15-3
Trouble
Shooting ................
2B3/15-19
Static System
Inspection
Cylinder Head Temperature
........
2B4/15-20
and
Leakage Test ................
2A5/15-3
Description
. .............
2B4/15-20
Pitot System Inspection
Trouble
Shooting ...............
2B4/15-20
and Leakage
Test ................
2A8/15-6
Fuel Quantity
Indicating
System ......
2B5/15-21
Blowing
Out Lines ..............
2A8/15-6
Description
..... ...............
2B5/15-21
Removal and
Installation ..........
2A8/15-6
Removal and Installation
.......... 2B5/15-21
Trouble Shooting - Pitot
Static
Trouble
Shooting .............
2B5/15-21
System .
................ 2A9/15-7
Transmitter
Adjustment
.......... 2B6/15-22
True Airspeed
. ...... .........
2A9/15-7
Transmitter Adjustment
........... 2B7/15-22A
Trouble Shooting
...........
2A9/15-7
Stewart Warner ..................
2B7/15-22A
Trouble
Shooting -Altimeter ......
2A11/15-9
Rochester
. ................... 2B7/15-22A
Trouble
Shooting - Vertical
Hourmeter ....
.....................
2B9/15-23
Speed
Indicator .......... ........ 2A11/15-9
Description .... ...................
2B9/15-23
Trouble
Shooting - Pitot Tube
Magnetic Compass
....................
2B9/15-23
Heater
.......................
2A12/15-10
Description
........................
2B9/15-23
Pitot Tube
Alignment
..............
2A12/15-10
Outside Air
Temperature Gage
........
2B9/15-23
Vacuum
System ......................
2A12/15-10
Electric
Clock ........................
2B9/15-23
Description
..............
......
2A12/15-10
Description
.
.....................
2B9/15-23
TroubleShooting
......
.....
2A14/15-12
Stall Warning
System .................
2B10/15-24
Trouble Shooting - Gyros
........ 2A14/15-12
Description
........................
2B10/15-24
Trouble Shooting
- Pump
........... 2A18/15-14B
Turn Coordinator
.....................
2B10/15-24
Removal and installation
.........
2A18/15-14B Description
. ..............
2B10/15-24
Cleaning
. ...... ......
2A18115-14B
Trouble Shooting .................
2B1015-24
Relief Valve Adjustment
............
2A18/15-14B
Turn-and-Slip
Indicator
............
2B11/15-25
Standby Vacuum
System ..............
2A18/15-14B
Description
.......................
2B11/15-25
Description
..............
.....
2A18/15-14B
TroubleShooting
..................
2B11/15-25
Trouble Shooting
- Standby
Wing
Leveler ........................
2B13/15-27
Vacuum
Pump .........
....
2A19/15-14C
Description
........................
2B13/15-27
Removal
..................
..... 2A19/15-14C
Rigging ...........................
2B13/15-27
Installation
.....................
2A19/15-14C Economy
Mixture Indicator
............ 2B13/15-27
Low Vacuum
Warning
System ..
.... 2A19/15-14C
Description
........................
2B13/15-27
Engine
Indicators
....................
2A19/15-14C
TroubleShooting
..................
2B13/15-27
Tachometer
. ...............
2A19/15-14C
Calibration
........................
2B13/15-27
Description .
............ 2A19/15-14C
Removal
and Installation ......
2B13/15-27
Oil Pressure ..................
2A22/15-15A
15-1 INSTRUMENT AND INSTRUMENT SYSTEMS. ing information in this section is intended to help the
mechanic determine malfunctions and correct them,
15-2. GENERAL. This section
describes typical up to the
defective instrument itself, at which point
instrument installations and their respective operat- an instrument technician should be called in. Some
ing systems. Emphasis is placed on trouble shoot- instruments, such as fuel quantity and oil pressure
ing and corrective measures only. It does not deal gages, are so simple and inexpensive, repairs usu-
with specific instrument repairs since this usually ally will be more costly than a new instrument. On
requires special equipment and data and should be the other hand, aneroid and gyro instruments usu-
handled by instrument specialists. Federal Aviation ally are well worth repairing. The words"replace
Regulations require malfunctioning instruments be instrument" in the text, therefore, should be taken
sent to an approved instrument overhaul and repair only in the sense of physical replacement in aircraft.
station or returned to manufacturer
for servicing. Whether replacement
is to be with a new instrument,
Our concern here is with preventive maintenance on an exchange one, or original instrument is to be
various instrument systems and correction of system repaired must be decided on basis of individual cir
faults which result in instrument malfunctions. The cumstances.
descriptive material, maintenance and troubleshoot-
Change 8 15-1

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)