TM-9-2320-338-10
TRUCK, CARGO, 8X8, M977A4
TECHNICAL MANUAL; OPERATOR'S MANUAL
OCTOBER 2008
TM-9-2320-338-10 - Page 214 of 1120
d.
High - full CW.
3.
Position vent control switch (3) as desired to control outside airflow for cab ventilation.
Full CCW shuts outside air ventilation off.
4.
Position mid-level/defrost vent control switch (4) as desired to control airflow direction:
a.
Turning the mid-level/defrost vent control switch (4) full CCW position turns
maximum airflow to defrost vent, and shuts off all airflow to mid-level vents.
b.
Turning the mid-level/defrost vent control switch (4) CW causes a relative
distribution of airflow between defrost and mid-level vents.
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) CW causes a relative decrease in airflow.
c.
Turning the floor vent control switch (5) full CW shuts airflow to foot vents off.
6.
When air conditioner is no longer required:
a.
Set air conditioning control switch (6) to off (full CCW).
b.
Position temperature control switch (1) to desired setting.
c.
Set FAN switch (2) to OFF (full CCW).
d.
Adjust vent switches (3, 4, and 5) as desired.
END OF TASK
END OF WORK PACKAGE
TM 9-2320-338-10
0032
0032-6
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