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 476 of 750

TM 5-5420-228-24

HEU DEPRESSURIZATION MANIFOLD REPLACEMENT (Sheet 1 of 2)

PROCEDURE INDEX

P

r

o

c

e

d

u

r

e

s

P

a

g

e

Removal

3-204.75

Installation

3-204.76

TOOLS:

12-in. Adjustable wrench

1/2-inch drive ratchet

1 3/8-in. open end wrench

9/16-in. socket with 1/2-inch drive

6-in. extension with 1/2-inch drive

11/16-in. open end wrench

15/16-in. open end wrench

SUPPLIES:

Drip pans (suitable containers)

Protective caps and plugs (assorted sizes)

Rags (Item 12, Appendix D)

Pencil (Item 22, Appendix D)

Masking tape (Item 18, Appendix D)

Preformed packing (as required)

REFERENCE: LO-12

PRELIMINARY PROCEDURES:

Zero hydraulic pressure (page 3-70.5)

REMOVAL:

NOTE

Use rags and drip pans to catch excess hydraulic fluid.

Cap or plug all lines and

fittings as they are disconnected.

1.

Hold fitting (A) with adjustable wrench and use 11/16- inch wrench to disconnect hose “CB” (B) from fitting (A).

2.

Hold fitting (C) with adjustable wrench and use 15/16 inch wrench to disconnect hose “CD” (D) from fitting (C).

3.

Holding fitting (E) with adjustable wrench and use 15/16 inch wrench to disconnect hose “CE” (F) from fitting (E).

4.

Holding fitting (G) with adjustable wrench

and use 1 3/8 inch wrench to disconnect hose “CC” (H) from fitting (G).

5.

Use socket, ratchet, and extension to remove four screws (J) and washers (K) from depressurization manifold

(L).

Remove depressurization manifold (L).

6.

Position depressurization manifold (L) on a level surface and use adjustable wrench to remove fittings (A,C,E,G)

from manifold (L).

Go on to Sheet 2

Change 3

3-204.75

K

L