TM-5-5420-202-20-1

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

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL; VOLUME 1 OF 4

OCTOBER 1985

TM-5-5420-202-20-1 - Page 158 of 1020

TM 5-5420-202-20-1

Preventive Maintenance Checks and Services for M60A1 AVLB Hull

-

Item

No.

48

Semiannual

Fixed Fire

Extinguisher

System

- Continued

Continued

Procedure

Not Fully Mission

Capable if:

Immediately after timing cloud/spray

person No. 3 check that tube assem-

bly and both hull extinguisher lines

are frosted their full length.

All lines should be frosted their full

length. If any line is only partially

frosted, check for clogging in spray

line. If not frosted at all, check for

faulty check valve or clogged supply

line. If duration of spray cloud is

more than 8 seconds, immediately

check to see if No. 2 and 3 cylinders

are frosted. If cylinders are frosted

(discharging), interior release handle

mechanism is defective. Replace re-

lease handle mechanism (page 20-23).

Change 4

3-85