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 226 of 534

TM 5-5420-202-20-4

UPPER DISCHARGE VALVE, TUBES, AND RELATED PARTS REPLACEMENT

(FIXED FIRE EXTINGUISHER) (Sheet 4 of 6)

1.

2.

3.

4.

5.

6.

7.

8.

Install valve (A) in vise.

Using pipe wrench, install elbow (B) into valve (A), making sure that arrow on valve (A)

is pointed towards elbow (B).

Using

Using

Using

1 inch wrench, install self-sealing socket (C) into elbow (B).

pipe wrench, install elbow (D) into valve (A).

pipe wrench, install elbow (E) into elbow (D).

Remove valve (A) and connecting parts from vise.

Using 7/8 inch wrench, install tube (F) into

elbow (E). Using pipe wrench to hold elbow

(E), use torque wrench and crow foot wrench

to tighten tube (F) to 40-50 lb-ft

(54-75 N m).

Using 1 inch wrench to hold tube (F) and

1-1/8 inch wrench on bushing (G), install

bushing (G) into tube (F). Using 1 inch

wrench to hold tube (F), use torque wrench

and 1-1/8 inch socket to tighten bushing

(G) to 40-50 lb-ft (54-75 N m).

Go on to Sheet 5

20-68

TA248726