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 409 of 750

TM 5-5420-228-24

HEU TONGUE CYLINDER HYDRAULIC HOSES “AE”, ”AF”, “AG”, “AH” AND

COUNTER BALANCE VALVE (DB) REPLACEMENT (Sheet 1 of 5)

PROCEDURE INDEX

P

r

o

c

e

d

u

r

e

s

P

a

g

e

Removal

3-204.8

Installation

3-204.11

TOOLS: 12-in. Adjustable wrench

Ratchet with ½ in drive

1 5/16 -in. open end wrench

9/16-in socket with ½-in. drive

SUPPLIES: Drip pans (suitable containers)

Pencil (Item 22, Appendix D)

Preformed packing (8 required)

Protective caps and plugs (assorted sizes)

Rags (Item 12, Appendix D)

Masking tape (Item 18, Appendix D)

Pipe tape (Item 19, Appendix D)

REFERENCE: LO -12

PRELIMINARY PROCEDURES: Zero hydraulic pressure (page 3-70.5)

Remove front hose armor (page 3-133)

Remove tongue cylinder armor (page 3-232)

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.

1.

Hold elbow (A) with adjustable wrench and use wrench to disconnect hose assembly “AE” (B) from elbow (A).

2.

Use adjustable wrench to remove elbow (A) from port “CK2” on front glacis and remove preformed packing (C).

Go on to Sheet 2

3-204.8

Change 3