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 201 of 750

TM 5-5420-228-24

CUPOLA TOP AND VISION BLOCK REPLACEMENT (LATE MODEL CUPOLA) (Sheet 1 of 3)

TOOLS:

Diagonal cutting pliers (side cutters)

Chisel

1-1/8 in. socket with 1/2 in. drive

Hammer

3/4 in. socket with 1/2 in. drive

Ratchet with 1/2 in. drive

Crowbar

1-1/8 in. socket with 3/4 in. drive

Sledge hammer

Pliers, slip joint

Putty knife

Torque wrench 0 to 600 lb-ft 3/4 in. drive

1/2 in. combination wrench

(0 to 813 N.m)

SUPPLIES:

Adhesive (Item 2, Appendix D)

Lockwire (Item 20, Appendix D)

Seal

Brush (Item 4, Appendix D)

REMOVAL:

1.

Using 1-1/8 inch socket, remove

eight screws (A).

2.

Using 3/4 inch socket, remove

three screws (B).

3.

Using crowbar, pry up on edge of

cupola top (C) while second technician

taps edge of cupola top (C) with

sledge hammer to loosen it.

4.

With help from second technician,

remove cupola top (C) from vehicle.

5.

Using putty knife, remove seal (D).

Go on to Sheet 2

PERSONNEL:

Two

REFERENCE: TM 5-5420-202-10

PRELIMINARY PROCEDURE:

Open cupola

cover (TM 5-5420-202-10)

3-16