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 169 of 552

TM 9-2350-311-34-2

4 Push cannon assembly into battery if pushed out.

5 Open breechblock.

Tie a greased rag around hook of 30-foot cable or rope to avoid damage to lands of cannon tube.

6 Thread one end of 30-foot cable or rope (4) (with hooks at each end) through cannon tube (5) until hook

comes out muzzle end.

7 Remove greased rag from 30-foot cable or rope (4) hook.

Use l-beam trolley with lifting capacity of at least 3200 pounds (1452 kg) for M185 cannon or 3750

pounds (1701 kg) for M284 cannon to prevent injury to personnel.

8

Attach gun tube sling (6) in choke hitch at point of cannon tube (5) indicated as center of balance. Center of

balance for M185 cannon is 144-5/8 inches (367.35 cm) from face of muzzle. Center of balance for M284

cannon is 145 inches (368.3 cm) from face of muzzle. Ensure center of balance is marked on cannon tube.

9

Attach l-beam trolley (7) to sustain weight of cannon tube (5), but do not lift cannon tube.

5-25