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 270 of 750

MASTER RELIEF VALVE (RV1) CARTRIDGE

TOOLS:

1-1/8 in. open end wrench

SUPPLIES:

Rags (Item 12, Appendix D)

Preformed packing

REFERENCE:

LO 5-5420-202-12

TM 5-5420-228-24

REPLACEMENT (Sheet 1 of 1)

Goggles (Item 26,

Appendix D)

Gloves (Item 27, Appendix D)

PRELIMINARY PROCEDURE:

Drain hydraulic reservoir

(page 3-74)

REMOVAL:

wARNING

FRH fluid may contain Tricresyl

Phosphate which may be absorbed

through

the

skin

and produces

paralysis if

taken

internally.

Appropriate

protective

measures

should

be

taken

to

avoid

such

exposures.

NOTE

Use rags to catch excess hydraulic fluid.

1.

Using wrench, remove cartridge (A)

from master relief valve (B).

2.

Remove preformed packing (C) from

cartridge (A).

Throw preformed

packing away.

INSTALLATION:

1.

Install new preformed packing (C)

2.

Using wrench, install cartridge (A)

on cartridge (A).

into master relief

3.

Refill hydraulic reservoir (LO 5-5420-202-12).

4.

Bleed hydraulic system (page 3-72).

5.

Check for hydraulic leaks and correct as necessary.

valve (B).

6.

Refill hydraulic reservoir (LO 5-5420-202-12).

7.

Adjust master relief valve (RV1) pressure (page 3-76).

End of Task

TA251471

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