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 536 of 750

TM 5-5420-228-24

HEU OR EARLY MODEL LOCKING CYLINDER REPAIR (Sheet 1 of 4)

PROCEDURE INDEX

P

r

o

c

e

d

u

r

e

s

P

a

g

e

Disassembly

3-242.3

Cleaning and Inspection

3-242.5

Assembly

3-242.5

TOOLS:

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

Seal pack installation tool (HEU Model)

Ratchet with 1/2 in. drive

Cross-tip screwdriver

Flat-tip screwdriver

Spanner wrench (adjustable face type 0-2 in. capacity)

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

SUPPLIES:

Rags (Item 12, Appendix D)

Gloves (Item 27, Appendix D)

Dry cleaning solvent (Item 15, Appendix D)

Seal pack assembly (HEU Model)

Wiper ring (4 required) (Early Model)

Masking tape (HEU Model)

Preformed packing (2 required)

Scraper (HEU Model)

Spacer ring (2 required) (Early Model)

Preformed packing assembly (2 required) (Early Model)

Retainer (HEU Model)

Tape, insulation, electricians (Item 17, Appendix D)(Early Model)

PRELIMINARY PROCEDURE:

Remove locking cylinder (page 3-240 Early Model or page 3-242.1 HEU Model)

NOTE

Both ends of this cylinder are the same. Repair of only one end is shown in this task.

Repair of opposite end is the same.

DISASSEMBLY:

1.

Use masking tape, tape threads of piston rod (A).

2.

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

Go on to Sheet 2

Change 3

3-242.3