TM 9-2320-363-10
d. Lower Right Dash Panel
2-2.
INSTRUMENT PANEL (Con’t).
Key
Control or Indicator
Function
36
Wiper/Washer
Turns windshield wipers on/off. Clockwise is ON.
Control
Counterclockwise is OFF. To wash windshield,
press knob in to spray water and to turn wipers on.
37
Auxiliary Heater
Lights up when heater burner is lit.
Indicator Light
38
Auxiliary Heater
Operates arctic personnel heater. Positions are ON
Control Switch
and OFF.
39
HI-LO Switch
Controls rate of heating for arctic personnel heater.
If set at HI, heater burner will go on when coolant
temperature at inlet to heater is 160°F (71°C). LO
is suitable for standby operation.
40
FRESH/RECIRC Air
Allows A/C (M916A2, M917A1, and M917A1 w/
Button
MCS), VENT, and HEAT modes to be used with
recirculated or fresh air. When mode control lever
is at HEAT/DEF or DEF, system draws in fresh air
regardless of button setting. When MAX A/C is
selected, system draws recirculated air regardless
of button setting.
41
Fan Switch
Controls four-speed fan. Positions are OFF, 1,2,3,
and 4. All the way clockwise is maximum fan
speed.
2-15
