TM-9-2320-428-10
TRUCK, CARGO, 8X8, M977
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 2009
TM-9-2320-428-10 - Page 168 of 1072
Table 1.
Heater Compartment Controls and Indicators. - Continued
Key
Control/
Indicator
Function
9
Utility Outlet
Supplies electrical power to operate portable beacon light
(WP 0074) and portable work lamp. (WP 0065)
JACOBS
CAUTION
ENGINE BRAKE
16
15
14
17
11
13
10
12
Figure 2.
10
AIR Control
Controls amount of outside air entering cab through fresh air
vent.
11
HEAT Control
Controls amount of hot air entering cab.
12
DEFROST
Control
Controls amount of hot air blown on windshield.
13
FAN Control
Controls speed of heater fan.
14
CRANE
OUTRIGGER
EXTENDED
Illuminates (red) when HIAB crane outriggers are extended.
TM 9-2320-428-10
0022
0022-4
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