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 562 of 750

TM 5-5420-228-24

HEU AND EARLY MODEL HOLD-DOWN CYLINDER REPAIR (Sheet 1 of 4)

PROCEDURE INDEX

P

r

o

c

e

d

u

r

e

s

P

a

g

e

Disassembly

3-256.1

Cleaning and Inspection

3-256.3

Assembly

3-256-3

TOOLS:

Seal pack installation tool (HEU Model)

Cross-tip screwdriver

Ratchet with 3/8 in. drive

Adapter 1/2-in. to 3/8-in. drive

5/16 in. socket head screw attachment w/ 3/8 in. drive

Torque wrench w/ 1/2-in. drive (175 lb-ft capacity) (0-237 N·m)

Spanner wrench (adjustable face type 2 in. capacity)

SUPPLIES:

Rags (Item 12, Appendix D)

Preformed packing (as required)

Masking tape (Item 18, Appendix D)

Gloves (Item 27, Appendix D)

Dry cleaning solvent (Item 15, Appendix D)

Seal pack assembly (HEU Model)

Packing assembly (Early Model)

Scraper (HEU Model)

Wiper ring (2 required)

Spacer ring (Early Model)

PRELIMINARY PROCEDURES:

Remove hold-down cylinder (page 3-254)

DISASSEMBLY:

1.

Wrap threads of piston rod (A) with tape.

2.

Using cross-tip screwdriver, remove four screws (B).

Go on to Sheet 2

Change 3

3-256.1