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 156 of 552

TM 9-2350-311-34-2

5-2

CANNON ASSEMBLY (CAB ON VEHICLE)

This task covers:

a. Removal

b. 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 lifting arm and eye bolt lifting bracket

(Figure C-10, Appx C)

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

Park vehicle on level ground

Apply vehicle brake lock handle

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

Center cannon assembly and depress to 0 mils

(TM 9-2350-311-10)

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

Commander ’s seat stowed and latched

(TM 9-2350-311-10)

Materials/Parts

Cotter pin (item 48, Appx E)

M118A2/M118A3 elbow telescope removed

Key washers (2) (item 114, Appx E)

(TM 9-2350-311-10)

M109A2/M109A31M109A4

Discharge hydraulic pressure (TM 9-2350-311-20-2)

Key washers (2) (item 143, Appx E) M109A5

Rammer assembly in stowed position

Lockwashers (3) (item 70, Appx E)

(TM 9-2350-311-10)

M109A2/M109A3/M109A4

Nitrogen pressure released from recuperator assembly

Lockwire (item 36, Appx E) M109A5

(para 5-11)

Personnel Required

3

Equipment Condition

a. Removal

Wear gloves and steel-tipped safety shoes to avoid possible injury while handling heavy equip-

ment.

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.

5-12.2 Change 2