Cessna 177 SERIES Service Manual

0F 17. Oil Pressure Line
24. Electrical
Connector
18. Adapter
(Used without
Hourmeter)
25.
Transducer
(Oil Pressure)
19.
Adapter (Used with Ho-rmeter)
26. Nut
20. Firewall
27. Lockwasher
21. Pressure Switch (Hourmeter)
28.
Wire (Oil Temperature)
22. Washer
29. Transducer
(Oil Temperature)
23.
Bolt
30. Engine (Accessory
Section)
21
22
3
~20 _
26
19 30
29 ~Sfi~;28
292
{7 Detail
B
30 Detail
C
BEGINNING WITH 17702124
Figure 15-5A. Engine Instrument Installation (Leigh System) (Sheet 2 of 2)
15-42. TROUBLE SHOOTING (Cont).
TROUBLE
PROBABLE
CAUSE REMEDY
GAGE
POINTER GOES
OFF
Defective gage
or sensing
Substitute
known-good
gage or
HIGH
END OF
SCALE
(cont.)
unit.
sensing unit.
Replace
gage
or
sensing unit.
GAGE
OPERATES
INTER-
Defective master
switch,
Check
circuit wiring.
Replace
MITTENTLY.
broken or grounded lead.
switch,
repair or replace
defective
wiring.
Defective gage or sensing Substiture known-good gage
unit.
or sensing unit. Replace
gage or sensing unit.
EXCESSIVE POINTER
Loose or broken lead.
Check circuit wiring. Repair or
OSCILLATION.
replace
defective wiring.
Defective gage
or sensing
Substitute
known-good
gage or
unit. sensing unit. Replace gage or
sensing
unit.
Excessive vibration.
Check
mounting screws. Tighten
mounting
screws.
Change
5
15-17

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)