OPERATOR'S CONTROLS

TM 5-2420-224-10

i. Trailer Supply Valve.

Trailer Supply Valve. Supplies constant air pressure to brake valve for trailer or towed vehicle. Do not use as a parking

device. Push down on knob (1) for a few seconds to supply air to trailer or towed vehicle and monitor air pressure before

moving vehicle.

Master Disconnect Switch.

Master Disconnect Switch. Uses key (2) to supply electrical power to vehicle. Key must be turned ON to start vehicle.

OPERATOR'S CONTROLS

a. Heating and Ventilation System.

(1) Heating. Heated coolant is controlled with knob (1). Heated air is controlled with the two-position rocker blower

switch (2).

(a) Position rocker blower switch (2) in left position for low, in center for off, and in right position for high.