TM 5-5420-202-20-1
Preventive Maintenance Checks and Services for M60A1 AVLB Hull
-
Item
No.
48
Interval
Semiannual
Location
Item to
Check/Service
Fixed Fire
Continued
Procedure
Not Fully Mission
Capable if:
If multimeter indicates 18 to 30
volts dc for less than 10 seconds in
duration, fire extinguisher fuel shut-
off relay is defective. If no voltage is
observed, troubleshoot fire extin-
guisher fuel shutoff switch circuitry
(page 4-572).
NOTE
Do not disconnect multimeter (multimeter is needed for step 9).
Change 4
3-81