TM-9-2350-311-10
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; OPERATOR’S MANUAL
NOVEMBER 1994
TM-9-2350-311-10 - Page 356 of 775
TM 9–2350–311–10
2–256
Change 3
2–17 OPERATING AUXILIARY EQUIPMENT — CONTINUED
2–17.3
Ventilation Blower
Operating Procedures
1
Turn MASTER switch (1) to ON.
2
To pull in fresh air, pull down air duct control handle (2) in driver’s compartment. Turn VENTILATOR
BLOWER INTAKE switch (3) to INTAKE.
3
To clear out smoke, pull down on air duct control handle (2) and turn VENTILATOR BLOWER INTAKE
switch (3) to EXHAUST.
1
2
3
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