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 596 of 1275

TM9-2350-311-20-1

6-16 EXHAUST DUCT, BUFFER PLATE, AND PIPE INSULATION

This task covers:

a. Removal

b. Installation

Tools

Materials/Parts

General mechanic’s tool kit (item 64, AppxH)

LockWashers (2) (item 95, Appx G)

Torque wrench (item

72,

A

PPX

H)

EquipmentConditions

Powerplant removed (para 4-5)

a. Removal

Ensure engine and exhaust

prevent burns.

systems are cool enough to permit handling

Step 1 applies only to some M109A3 vehicles.

1 Remove two screws (1), two

2 Disconnect two springs (4).

3 Remove exhaust duct (5).

Iockwashers (2 , and buffer plate (3).

in order to

DiscardIockwashers.

WARNING

NOTE