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 225 of 534

TM 5-5420-202-20-4

UPPER DISCHARGE VALVE, TUBES, AND RELATED PARTS REPLACEMENT

(FIXED FIRE EXTINGUISHER) (Sheet 3 of 6)

6.

Using one pipe wrench to hold elbow (G), use other pipe

from elbow (G).

wrench to remove elbow (F)

7.

Using pipe wrench, remove elbow (G) from valve (H).

8.

Using pipe wrench to hold elbow (K), use 1 inch wrench to remove self-sealing socket

(J) from elbow (K).

9.

Place valve (H) in a vise.

10.

Using pipe wrench, remove elbow (K) from valve (H).

INSPECTION:

Make sure all connections and seating surfaces are free of nicks, burrs, or other defects that

could cause leakage.

Replace any damaged parts.

ASSEMBLY:

NOTE

Apply zinc chromate primer to all threads prior to installation of threaded

tube/hose connections.

NOTE

Secure tubes and related parts in vise as

necessary to accomplish assembly.

Go on to Sheet 4

TA248725

20-67