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 671 of 828

TM 9–2350–311–20–2

18–3

18–1 M146 TELESCOPE MOUNT

This task covers:

a.

Removal

b.

Inspection

c.

Disassembly

d.

Assembly

e.

Installation

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180–95–CL–A12)

Materials/Parts

Lockwashers (2) (item 59, Appx G)

Lockwashers (2) (item 70, Appx G)

Lockwashers (3) (item 71, Appx G)

Lockwashers (8) (item 73, Appx G)

References

TM 9–2350–311–10

Equipment Condition

M118A2/M118A3 elbow telescope removed

(TM 9–2350–311–10)

a.

Removal

NOTE

For removal or installation of M146 telescope mount, elevate cannon to 800 mils.

1

Disconnect cab electrical connector from mount receptacle (1).

2

Remove four cap screws (2) and four lockwashers (3). Discard lockwashers.

3

Remove four cap screws (4) and four lockwashers (5). Discard lockwashers.

4

Lift off M146 telescope mount (6).

b.

Inspection

For inspection refer to TM 9–2350–311–10.

3

2

5

4

6

1

6