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 301 of 750

TM 5-5420-228-24

SEQUENCE AND LOCKING CYLINDER RELIEF VALVE (RV5 AND RV6) REPLACEMENT

(Sheet 2 of 3)

6.

7.

8.

9.

Holding screws (K) with 3/4 inch wrench, use socket

to remove four nuts (L) and lockwashers (M).

Remove four screws (K) and bracket (N) with

manifold (P) attached.

Using 1-1/8 inch wrench, remove two nipples (Q)

with relief valves “RV6” (R) and “RV5” (S)

from manifold (P).

Using vise to secure two relief valves (R)

and (S), use 1-1/8 inch wrench to remove two

nipples (Q) from relief valves (R) and (S).

INSTALLATION:

NOTE

Before installation, use pipe tape on all male threads.

Start tape on second thread so tape will not enter

hydraulic system.

1.

2.

3.

4.

5.

Using 1-1/8 inch wrench, install two nipples

(A) in relief valves “RV6” (B) and “RV5”

(C).

Using 1-1/8 inch wrench, install two nipples

(A) with relief valves (B) and (C) in

manifold (D).

Place bracket (E), with manifold (D)

attached, in position in vehicle.

Manually install four screws (F), lockwashers

(G), and nuts (H).

Holding screws (F) with 3/4 inch wrench,

use socket to tighten four nuts (H).

Go on to Sheet 3

3-104