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 552 of 750

TM 5-5420-228-24

HEU AND EARLY MODEL EJECTION CYLINDERS REPAIR (Sheet 1 of 4)

PROCEDURE INDEX

P

r

o

c

e

d

u

r

e

s

P

a

g

e

Disassembly

3-250.5

Cleaning and Inspection

3-230.6

Assembly

3-230-7

TOOLS:

Spanner wrench (adjustable face type, 2 in. capacity)

Cross-tip screwdriver

Pliers, long round nose

SUPPLIES:

Rags (Item 12, Appendix D)

Wiper ring (HEU Model)

Seal pack (HEU Model)

Masking tape (Item 18, Appendix D)

Dry cleaning solvent (Item 15, Appendix D)

Preformed packing

Gloves (Item 27, Appendix D)

Scraper (HEU Model)

Wiper ring (2 required Early Model)

Packing assembly (Early Model)

PRELIMINARY PROCEDURES: Remove ejection cylinder(s) (pages 3-243 and/or 3-247 Early Model) or

(page 3-250.1 HEU Model)

DISASSEMBLY:

1.

Wrap tape on threads of piston rod (A).

2.

Use screwdriver to remove four screws (B).

3.

Remove retainer plate (C) from piston rod (A).

4.

Use spanner wrench in unthreaded holes (D) of bushing (E) and remove bushing (E).

5.

Manually remove wiper ring (F) (Early Model) or scraper (F) (HEU Model) from bushing (E). Discard wiper

ring or scraper (F).

6.

Use pliers to remove wiper ring (G). Discard wiper ring (G).

Go on to Sheet 2

Change 3

3-250.5