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 307 of 552

TM 9-2350-311-34-2

a. Removal

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

ment.

Failure to open bleeder valves could damage elevating piston rod.

Position utility pail to catch draining hydraulic fluid and open bleeder valves (1 and 2) on equilibrated eleva-

tion mechanism assembly (3).

Attach gun tube sling (4) and hoist (5) to muzzle brake (6). Slowly raise cannon assembly (7).

Support elevating piston rod (8) with supporting strap (9).

Unlock key washer (10).

Remove round nut (11) and key washer (10) at forward end of elevating piston rod (8). Discard key washer.

Remove lubrication fitting (12), if necessary for replacement.

Rotate headed grooved pin (13) to a position where flat surface on head will clear recoil cylinder. Remove

headed grooved pin.

Use care to avoid damage to machined surface of elevating piston rod.

Lower front end of equilibrated elevation mechanism assembly (3) to vertical position.

Lower cannon assembly (7) with hoist (5). Remove gun tube sling (4) and hoist.

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