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 538 of 1275

a. Removal

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Disconnect hose (1) from check valve (2).

Disconnect hose (3) from elbow (4) on air pump (5).

Remove screw (6) and clamp (7) from governor cover (8).

Remove elbow or adapter (9) from hose (3).

Remove two nuts (10 and 11) from two wiring harness leads(12 and 13) on air pump (5). Disconnect two leads

from air pump.

Remove bolt (14), Iockwasher (1 5), washer (1 6), air pump clamp (1 7), cushion (18), and air pump (5). Discard

Iockwasher.

Remove hose (19) and check valve (2) from adapter (20) on air pump (5).

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TM 9-2350-311-20-1