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 545 of 828

TM 9–2350–311–20–2

Change 3

12–5

12–3 CUPOLA COVER, BODY, AND HANDLE

This task covers:

a.

Removal

b.

Disassembly

c.

Assembly

d.

Installation

e.

Adjustment

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 4933–95–A12)

Materials/Parts

Adhesive (item 1, Appx D)

Cotter pin (item 39, Appx G)

Cotter pins (2) (item 36, Appx G)

Cotter pins (2) (item 37, Appx G)

Cotter pins (2) (item 38, Appx G)

Cover seal (item 115, Appx G)

Cushioning pad (item 113, Appx G)

Epoxy (item 13.1, Appx D)

Epoxy (item 13.2, Appx D)

Flat washers (V) (item 114, Appx G)

Flat washers (V) (item 125, Appx G)

Flat washers (V) (item 126, Appx G)

Flat washers (V) (item 127, Appx G)

GAA (item 17, Appx D)

Gasket (item 172.1, Appx G)

Lockwashers (2) (item 56, Appx G)

Lockwashers (2) (item 80, Appx G)

Lockwashers (2) (item 96, Appx G)

Lockwashers (6) (item 81, Appx G)

Non-metallic seal (item 133, Appx G)

Plate spacers (V) (item 123, Appx G)

Plate spacers (V) (item 124, Appx G)

Plate spacers (V) (item 131, Appx G)

Plate spacers (V) (item 132, Appx G)

Sealant (item 26.2, Appx D)

Self-locking nut (item 141, Appx G)

Shim (V) (item 188, Appx G)

Shim (V) (item 189, Appx G)

Spacer rings (V) (item 128, Appx G)

Spacer rings (V) (item 129, Appx G)

Spacer rings (V) (item 130, Appx G)

Spring pin (item 9, Appx G)

Spring washer (item 175, Appx G)