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 173 of 552

TM 9-2350-311-34-2

b. Inspection

To inspect torque key (14), measure width of bottom surface in at least three places. Replace torque key on

M185 cannon if width is less than 31/32 inch (24.6 mm) at any point along bottom of taper or if torque key on

M284 cannon is less than 1-9/16 inches (3.97 cm) (TM 9-2350-311-20-2).

c. Installation

1

Wrap one hook of 30-foot cable or rope (4) with greased rag and thread through muzzle end of cannon tube

(5). Allow other end of rope to dangle out of muzzle end.

2

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

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.

3 Attach gun tube sling (6) to l-beam trolley (7).

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