TM-9-2350-311-34-2

CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS HOWITZER, MEDIUM, SELF-PROPELLED, 155MM

TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL

SEPTEMBER 1994

TM-9-2350-311-34-2 - Page 284 of 552

TM 9-2350-311-34-2

6-4 BODY ASSEMBLY

This task covers:

a. Disassembly

b. Inspection

c. Assembly

INITIAL SETUP

Applicabie Configuration

Lockwashers (2) (item 158, Appx E)

M109A4/M109A5 howitzers

Preformed packings (2) (item 105, Appx

Tools

Retaining rings (2) (item 22, Appx E)

Artillery and turret mechanic’s tool kit

Personnel Required

(SC 5180-95-CL-A12)

2

Materials/Parts

Equipment Condition

Hydraulic fluid (item 22, Appx B)

Body assembly removed (para 6-1)

E)

a. Disassembly

1

Remove retaining ring (1), filter cap (2), and preformed packing (3) at top end of body assembly (4). Discard

retaining ring and preformed packing.

2

Remove retaining ring (5) at pump end of body assembly (4) and discard.

3

Remove head and ball check valve group (6) from filter body (7).

4

Remove preformed packing (8) from fluid filter head (9) and discard.

5

Remove two cap screws (10), two Iockwashers (11), and fluid restrictor (12) from fluid filter head (9). Discard

lockwashers.

6

Remove helical compression spring (13), power pack guide (14), and bearing ball (15) from fluid filter head

(9).

b. Inspection

1

Inspect filter body (7) and replace body assembly (4) if distorted or cracked.

2

Inspect helical compression spring (13) and replace if distorted, cracked, scratched, or damaged.

3

Inspect fluid filter head (9) and replace if cracked, distorted, or damaged.

6-22