TM-9-2350-311-20-2

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS

DECEMBER 1993

TM-9-2350-311-20-2 - Page 293 of 828

TM 9–2350–311–20–2

Change 2

5–37

b.

Disassembly

1

Remove eight self-locking nuts (11) and eight machine bolts (12) from dust shield (4). Discard self-locking

nuts.

NOTE

Step 2 applies to M178 mount configuration. Step 3 applies to M182 mount configuration.

2

Separate dust shield (4), mechanical felt (13), gasket (14), and retainer (15). Discard mechanical felt and

gasket.

3

Separate dust shield (4), two gaskets (16), gasket (17), and mechanical felt (18). Discard gaskets and me-

chanical felt.

c.

Inspection and Repair

1

Inspect dust shield (4) for distortion. Repair or replace if damaged or distorted.

2

Inspect retainer (15). Replace if distorted or if tab is worn.

11

12

13

14

15

16

17

18

M182 MOUNT CONFIGURATION

M178 MOUNT CONFIGURATION

11

4

4

12

16