TM 5-5420-202-20-1
P r e v e n t i v e Maintenance Checks and Services for M60A1 AVLB Hull -
Continued
Procedure
Not Fully Mission
Item
Capable if:
No.
Immediately after timing cloud/spray
48
Semiannual
Fixed Fire
Extinguisher
person No. 3 check that tube assem-
System
bly and both hull extinguisher lines
- Continued
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