Cessna 177 SERIES Service Manual

TROUBLE
PROBABLE
CAUSE
REMEDY
'POWER
LOW
Low battery
voltage.
1.
Set toggle
switch to off.
2. Remove
plastic plug from
the remote jack
and by means of a Switchcraft #750 jackplug,
connect a Simpson 260 model voltmeter and
measure voltage. If the battery-pack voltage
on the
6-cell magnesium
battery pack trans-
mitter is 10.8 volts or less, and on the 4-cell
lithium battery pack transmitters is 11.2 volts
or less, the battery pack is below specification.
Faulty transmitter. 3. If the battery-pack voltage meets the
specifications in step 2, the battery-pack
is O. K. If the battery is O. K., check the
transmitter as follows:
a. Remove
the voltmeter.
b. By means of a switchcraft 750 jackplug
and 3 inch maximum long leads, connect a
Simpson Model 1223 ammeter to the jack.
c. Set the toggle switch to ON and observe
the ammeter current
drain. If the
current-
drain is in the 85-100 ma range, the
transmitter
or
the co-axial
cable
is faulty.
Faulty co-axial
4. Check
co-axial antenna
cable for
high
antenna cable.
resistance joints.
If this is found to be
the case, the cable should be replaced.
*This test should
be carried
out with the co-axial
cable provided
with your unit.
SHOP NOTES:
16-36
Change
5

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)