TM-5-5420-202-20-4

M60A1 CHASSIS, TRANSPORTING; FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL; VOLUME 4 OF 4

OCTOBER 1985

TM-5-5420-202-20-4 - Page 160 of 534

TM 5-5420-202-20-4

FIXED FIRE EXTINGUISHER CONTROL VALVE REPLACEMENT (Sheet

PROCEDURE INDEX

PROCEDURE

1 of 14)

PAGE

Removal

20-2

Disassembly

20-5

Cleaning and Inspection

20-8

Assembly

20-8

Installation

20-14

TOOLS:

Spring scale (150 lb.)

7/16 in. open end wrench

9/1 6 in. open end wrench

1-1/2 in. open end wrench

Flat-tip screwdriver

3/32 in. socket head screw key

(allen wrench)

1/16 in. socket head screw key

(allen wrench)

1-1 /2 in. crowfoot wrench

7/ 16 in. crowfoot wrench

Torque wrench with 3/8 in. drive

(0-200 lb-in)

Torque wrench with 1/2 in. drive

(0-175 lb-ft)

5 in. extension with 1/2 in. drive

10 in. adjustable wrench (two required)

Diagonal cut ting pliers

Long round nose pliers

Slip joint pliers

9/16 in, crowfoot wrench

SUPPLIES:

Zinc chromate primer (Item 51, Appendix D)

Dry cleaning solvent

Sealant (Item 24, Appendix D)

(Item 55, Appendix D)

Lead seal

Sealant (Item 30, Appendix D)

1/16 in. rod

Rags (Item 65, Appendix D)

Goggles (Item 70, Appendix D)

Gloves (Item 69, Appendix D)

PRELIMINARY PROCEDURE:

Remove personnel heater air duct (page 18-17)

Go on to Sheet 2

20-2 Change 4