TM-9-2320-346-10

TRUCK, COMMON BRIDGE TRANSPORT (CBT), 8X8 M1977A4 W/WINCH AND M1977A4 W/O WINCH

TECHNICAL MANUAL; OPERATOR'S MANUAL

OCTOBER 2008

TM-9-2320-346-10 - Page 207 of 1184

c.

Turning the mid-level/defrost vent control switch (4) full CW turns maximum airflow

to mid-level vents and shuts off all airflow to defrost vents.

5.

Position floor vent control switch (5) as desired to control airflow to the floor vents:

a.

Turning the floor vent control switch (5) full CCW directs maximum airflow to floor

vents.

b.

Turning the floor vent control switch (5) CCW causes a relative decrease in airflow.

c.

Turning the floor vent control switch (5) full CW shuts airflow to foot vents off.

6.

When personnel heater is no longer required:

a.

Position temperature control switch (1) to desired setting.

b.

Set FAN switch (2) to OFF (full CCW).

c.

Adjust vent switches (3, 4, and 5) as desired.

OPERATE WINDSHIELD DEFROST

NOTE

If windshield defrost does not blow hot air, ensure heater valves are open.

1.

Turn mid-level/defrost vent control switch (4) to full CCW position.

TM 9-2320-346-10

0030

0030-3