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 1052 of 1275

11-24 PERSONNEL AIR VENTILATION SYSTEM

This task covers

a. Removal

b. Installation

General mechanic’s tool kit (item 84, Appx H)

Dry-cleaning solvent (item 22, Appx D)

a. Removal

1

2

3

4

Ensure MASTER switch is OFF when working on hull

electrical shocks and bums.

electrical system to avoid

Disconnect electrical connector at electrical connector receptacle (1).

Remove clamp (2) and elbow (3).

Remove three screws (4), six flat washers (5), and three plates (6).

Remove fan assembly (7) and screen (8).

11-73

TM9-2350-311-20-1

Materials/Parts

Tools

WARNING