TM-5-5420-228-24

LAUNCHER HYDRAULICS SYSTEM M48A5/M60A1 TANK CHASSIS, TRANSPORTING: FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60

TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL

AUGUST 1985

TM-5-5420-228-24 - Page 221 of 750

TM 5-5420-228-24

PERISCOPE MOUNT LID ASSEMBLY REPAIR (Sheet 1 of 3)

TOOLS:

1/2 in. portable electric drill

Vise

3/8 in. drill bit

Welding equipment

Cross-tip screwdriver

Electric grinder

SUPPLIES:

Dry cleaning solvent (Item 15, Appendix D)

Water

Steel wool (Item 16, Appendix D)

Lockwashers (2 required)

Asbestos (Item 3, Appendix D)

Bearings (2 required)

Gloves (Item 27, Appendix (D)

PRELIMINARY PROCEDURE:

Remove lid assembly from mount (page 3-28)

DISASSEMBLY:

1.

2.

3.

4.

5.

6.

7.

Using screwdriver, remove two screws (A), lockwashers (B), and strap (C) from lid (D).

Remove spring (E) from lid (D).

Pull lightly on loop of spring (E) to release loop from handle (F).

Slide handle (F) out of spring (E) and retainer (G) of lid (D).

Place lid (D) in vise and using drill with drill

bit, remove two bearings (H) (5/8 inch deep).

Using grinder, remove weldments from metal tongs

holding bumper (J) to lid(D).

Remove bumper (J).

3-36