Table 1. Center Panel Controls. - Continued
Key
Control/
Indicator Function
7 RECIRC/F/A
Control
Used to control outside air flow to cab. When control is set to
RECIRC position, cab air recirculates. When control is set to
F/A position, fresh air is vented into cab.
8 OFF/HEAT
Control
Used to control temperature of air that heats cab interior and
defrosts windshield.
9 FRONT Fan
Switch
Four-position switch used to control operation and speed of
front heater fan.
10 REAR Fan
Switch
Four-position switch used to control operation and speed of
rear exhaust fan. Exhaust fan ventilates cab by blowing cab
air to the outside through louvers located in the rear cab wall.
END OF WORK PACKAGE
TM 9-2320-360-10 0017
0017-4