TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

  TM-9-2350-311-20-1 - Page 1064 of 1275

TM 9-2350-311-20-1
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Turn off MASTER power switch.
Remove calibrated orifice from hose (6) and return to tester case.
Connect hose (6) to driver's heater.
Remove airflow cap (5) and corm- hose (3) to air purifier manifold (4).
Remove two airflow caps (5) having holes and install two solid airflow caps on remaining two manifold (4)
openings.
Install spring clip (1).
12-3


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