TM-9-2320-428-10
TRUCK, CARGO, 8X8, M977
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 2009
TM-9-2320-428-10 - Page 194 of 1072
Table 1.
Gas Particulate Filter Unit (GPFU) Controls And Indicators.
Key
Control/
Indicator
Function
Figure 1.
1
Gas Particulate
Filter
Filters nuclear, biological, and chemical (NBC) contaminants
from air.
2
M-3 Heater
Warms air entering protective mask.
3
M-3 Heater
Control Knob
Turn clockwise (CW) for warmer air turn counterclockwise
(CCW) for cooler air. Turn to OFF to shut off heater.
4
M-3 Heater
Indicator Light
Illuminates when heater is operating.
TM 9-2320-428-10
0030
0030-2
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