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 618 of 750

TM 5-5420-228-24

HYDRAULIC PUMP REPLACEMENT (Sheet 1 of 3)

TOOLS: 7/16 in. open end wrench

15 in. adjustable wrench

7/8 in. open end wrench

Ratchet with 1/2 in. drive

1-1/8 in. open end wrench

12 in. adjustable wrench

1-1/2 in. open end wrench

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

1-3/4 in. open end wrench

Vise

SUPPLIES:

Pencil (Item 22, Appendix D)

Drip pans (suitable containers)

Pipe tape (Item 19, Appendix D)

Protective caps and plugs

Rags (Item 12, Appendix D)

Lockwashers (8 required)

Masking tape (Item 18, Appendix D)

PRELIMINARY PROCEDURES:

Drain hydraulic reservoir (page 3-74)

Remove clutch assembly (page 4-33)

REMOVAL:

NOTE

1.

2.

3.

4.

5.

6.

Use rags and drip pans to’ catch excess

hydraulic fluid.

Use masking tape and

pencil to tag lines for installation. Cap or

plug all lines and fittings as they are

disconnected.

Manually disconnect hose assembly “CW” (A).

Using 15 inch adjustable wrench, remove

hose assembly “CZ” (B) from fitting (C).

Using 7/16 inch wrench, remove two screws

(D).

Move box (E) aside.

Using adjustable wrench to hold elbow (F),

use 1-1/2 inch wrench to remove hose

assembly “BA” (G).

Using 7/8 inch wrench, remove hose

assembly “CV5” (H) from elbow (J).

Go on to Sheet 2

TA251680

4-29