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 539 of 1275

TM 9-2350-311-20-1

5-9 AIR PUMP (ENGINE MODEL 7083-7396) — CONTINUED

b. Installation

1

2

3

4

5

6

7

8

Install hose (19) to adapter (20) on air pump (5).

Position air pump (5), cushion (18), and air pump clamp (17) on bracket (21) and install washer (16), new

Iockwasher (15), and screw (14). Torque screw to 35-39 Ib-ft (47-53 N•m).

Install check valve (2) on hose (1 9).

Install hose (3) on elbow (4) on air pump (5).

Install adapter (9) on hose (3).

Secure clamp (7) to governor cover (8) with screw (6).

Install two wiring harness leads (12 and 13) and secure with two nuts (10 and 11).

Install hose (1) on check valve (2).

NOTE

FOLLOW-ON MAINTENANCE:

Connect batteries (para 8-28)

5-18