TM-9-2350-273-BD

M48/M60 SERIES TANK, COMBAT FULL-TRACKED 105-MM GUN

TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; BATTLEFIELD DAMAGE ASSESSMENT AND REPAIR

TM-9-2350-273-BD - Page 134 of 288

TM 9-2350-273-BD

ARMAMENT AND FIRE CONTROL SYSTEMS

Procedural Steps (Cont'd)

CAUTION

When arc welding on turret, ground welding equipment to turret only. Parts of

slip ring and race bearings can be damaged from high currents conducted

between hull and turret if welding equipment is not grounded correctly.

CAUTION

Disconnect electrical connectors from laser rangefinder before arc welding

anywhere on tank. Rangefinder can be damaged by electrical current caused

during arc welding.

8. Use gas or arc to weld a continuous bead around the patch. Check weld for cracks

or openings, and repair if necessary.

Option 2: Fabricated clamp repair.

Limitations:

●

None

Personnel/Time Required:

●

1 soldier

●

1 hour

Materials/Tools:

●

Acetylene torch

●

Asbestos paper or other suitable fire resistant material

●

Grinder

●

Hexagon head nuts, 3/8-inch (as required)

●

Lockwashers (as required)

●

Machine screws, 3/8-inch x l-inch (as required)

●

Sheet metal, l/4-inch thick, about 21-inches long and wide enough to overlap

damage.

Procedural Steps:

1. Use acetylene torch and grinder to cut and remove any burrs or protruding metal

edges that may affect air-tight seal.

2. Clean any blocked gas ports, if accessible.

3. Measure and record dimensions of damaged area.

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