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 426 of 552

TM 9-2350-311-34-2

CUPOLA RACE RING

This task covers:

a. Removal

b. Disassembly

c. Inspection and Repair

d. Assembly

e. Installation

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180-95-CL-A12)

Artillery field maintenance tool kit

(SC 4933-95-CL-A06)

Eye bolts (2) (item 6, Appx F)

Sling, turret lifting (item 21, Appx F)

Materials/Parts

Lockwashers (12) (item 97, Appx E)

Self-locking bolts (12) (item 93, Appx E)

Personnel Required

2

Equipment Condition

Machine gun mount support removed

(TM 9-2350-311-20-2)

a. Removal

Commander’s cupola weighs 360 pounds (163 kg). Use hoist and turret lifting sling capable of lifting

1000 pounds (454 kilograms) to provide adequate lifting capacity and prevent injury.

NOTE

Commander’s cupola on later design vehicles does not have pictured outside latch handle.

Only commander’s cupolas with outside latch handles will have 12 flat washers.

1

Remove 12 self-locking bolts (1), 12 flat washers (2), and lock ring (3) that attach commander’s cupola (4) to

cab (5). Discard self-locking bolts.

2

Insert two eye bolts (6) in screw holes for machine gun mount support on commander’s cupola (4).

3

Attach two shackles (6.1) of the turret lifting sling (7) to two eyebolts (6). Attach two shackles of the turret

lifting sling to metallic tube (8).

4

Attach hoist (9) to turret lifting sling (7). Remove commander’s cupola (4).

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