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 290 of 750

TM 5-5420-228-24

SEQUENCE RELIEF VALVE (RV2) REPLACEMENT (Sheet 1 of 2)

TOOLS:

5/16

in. socket head screw key

8 in. adjustable wrench

9/16 in. open end wrench

SUPPLIES:

Pipe tape (Item 19, Appendix D)

Rags (Item 12, Appendix D)

Drip pans (suitable containers)

Protective caps and plugs (assorted sizes)

Preformed packing (2 required)

REFERENCE:

LO 5-5420-202-12

TM 5-5420-202-10

PRELIMINARY PROCEDURES:

Relieve hydraulic pressure (page 3-71)

QUADRANTS REMOVED FOR CLARITY

Use rags and drip pans to catch excess hydraulic fluid.

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

1.

2.

3.

4.

5.

Holding elbow (A) with adjustable wrench, use

open end wrench to remove hose assembly (B).

Using adjustable wrench, remove elbow (A) and

collar (C).

Using screw key, remove four screws (D).

Remove sequence relief valve (E).

Manually remove

from relief valve

packings away.

two preformed packings

(E). Throw preformed

(F)

Go on to Sheet 2

3-93