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 168 of 552

TM 9-2350-311-34-2

5-4 CANNON TUBE

This task covers:

a. Removal

b. Inspection

c. 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)

Fabricated breech stand (Figure C-3, Appx C)

Fabricated eyebolt assembly (Figure C-7, Appx C)

Sling, gun tube (item 19, Appx F)

Trolley, l-beam (item 25, Appx F)

Wrench, pipe, chain-type (item 27, Appx F)

OR

4" x 4" wooden block, min. 5’ long (item 37, Appx B)

Materials/Parts

Rag (item 26, Appx B)

Rope (item 27, Appx B)

Personnel Required

4

Equipment Condition

Park vehicle on level ground

Apply vehicle brake lock handle

Vehicle MASTER switch to OFF (TM 9-2350-311-10)

Travel lock removed and stowed (TM 9-2350-311-10)

Cannon assembly positioned at 0° traverse and 0° ele-

vation (TM 9-2350-311-10)

Drain equilibration system manifold

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

Turret lock in LOCKED position (TM 9-2350-311-10)

Muzzle brake removed (TM 9-2350-311-10)

Bore evacuator removed (TM 9-2350-311-10)

Dust shield removed (TM 9-2350-311-20-2)

Torque key removed (TM 9-2350-311-20-2)

a. Removal

Wear gloves and steel-tipped safety shoes to avoid possible injury.

When working on mount and cannon assembly breech components with cannon assembly

pushed out of battery, block cannon assembly by placing fabricated breech stand under breech

body to prevent accidental elevation of cannon assembly and possible injury to personnel or

damage to equipment.

NOTE

Cannon assembly may have to be pushed out of battery (TM 9-2350-311-20-2) to gain access to

cap screw.

1

Loosen cap screw (1).

2 Slide breech ring machine key (2) up and out of slot (3). Do not remove cap screw or breech ring machine key.

3 Tighten cap screw (1).

5-24