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 646 of 750

TM 5-5420-228-24

HEU HYDRAULIC PUMP REPLACEMENT (Sheet 1 of 2)

PROCEDURE INDEX

P

r

o

c

e

d

u

r

e

s

P

a

g

e

Removal

4-52.5

Installation

4-52.6

TOOLS:

1/2 in. drive ratchet

1-1/8 inch socket with 1/2 inch drive

SUPPLIES: Rags (Item 12, Appendix D)

Drip pans (suitable containers)

Lockwashers (4 required)

REFERENCE: LO-12

PRELIMINARY PROCEDURES:

Drain hydraulic reservoir (page 3-74)

Remove pump cover (page 3-65)

Remove drive shaft assembly (page 4-52.3)

Remove control panel (TM 20-2)

Remove Hose Assembly "BW" (page 3-204.55)

Remove Hose Assembly "BY" (page 3-204.56)

Remove Hose Assembly "BS" (page 3-204.49)

REMOVAL:

1.

Using a 1-1/8 inch socket, remove two screws (A) and lockwashers (B) from hydraulic pump adapter plate

(C), discard lockwashers (B).

2.

Remove hydraulic pump (D) from pump support (E).

3.

Place hydraulic pump (D) on level surface, using 1 1/8 inch socket remove two screws (F), and lockwashers

(G) from pump and remove adapter plate (C).

Go on to Sheet 2

Change 3

4-52.5