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 1054 of 1275

TM9-2350-311-20-1

11-25 FIXED FIRE EXTINGUISHER SYSTEM

This

task covers:

a. Removal

b. Disassembly/Assembly

c. Installation

d. Safety Wiring

Gaskets (2) (early models) (item 202, Appx G)

General mechanic’s tool kit

Gaskets (2) (late models) (item 202, Appx G)

(item 64, Appx H)

Lockwashers (4) (early models) (item 85, Appx G)

Lockwashers (4) (early models) (item 95, Appx G)

Lockwashers (2) (late models) (item 95, Appx G)

Antipilferage seals (2) (early models) (item 225, Appx G)

Lockwashers (2) (early models) (item 96, Appx G)

Antlpilferage seals (3) (late models) (item 225, Appx G)

Lockwashers (2) (late models) (item 96, Appx G)

a. Removal

Carbon dioxide cylinders must not be dropped, struck, or subjected to temperatures

above 140°F (60°C).

NOTE

The illustration is of late models M109A3 and M109A2/M109A4/M109A5. Removal is

same for earlier models M109A3, though configuration will differ.

1 Disconnect two hose connectors (1).

2 Disconnect two head connectors (2).

3 Open two clamp assemblies (3) and remove two carbon dioxide cylinders (4).

11-75

Tool s

Materials/Parts