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 429 of 750

TM 5-5420-228-24

HEU HOSE ASSEMBLIES “AR”, “AS” AND RELATED FITTINGS REPLACEMENT

(Sheet 1 of 4)

PROCEDURE INDEX

P

r

o

c

e

d

u

r

e

s

P

a

g

e

Removal

3-204.28

Installation

3-204.30

TOOLS:

12-in. Adjustable wrench

Pipe wrench

1 5/16-in. open end wrench

9/16-in. socket with ½ in. drive

Ratchet with ½ in. drive

SUPPLIES:

Drip pans (suitable containers)

Pencil (Item 22, Appendix D)

Preformed packing (4 required)

Protective caps and plugs (assorted sizes)

Rags (Item 12, Appendix D)

Masking tape (Item 18, Appendix D)

REFERENCE:

LO -12

PRELIMINARY PROCEDURES:

Hose “CD”,”CE” removed (page 3-204.63)

Zero hydraulic pressure (page 3-70.5)

REMOVAL:

NOTE

•

Use rags and drip pans to catch excess hydraulic fluid. Use masking tape to tag

lines for installation. Cap or plug all lines and fittings as they are disconnected.

•

The procedures for removal and installation of hose assemblies “AR” and “AS”

are identical.

Hose “AR” is shown.

1.

Hold tee fitting (A) with adjustable wrench and use wrench to disconnect hose assembly “AR” (B) from tee

fitting (A).

2.

Use adjustable wrench to remove tee fitting (A) from counter balance valve “DC” (C). Remove preformed

packings (D).

Go on to Sheet 2

3-204.28

Change 3