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
Location
Interval
Item to
Item
Not Fully Mission
Procedure
No.
Check/Service
Capable if:
48
Fixed Fire
Semiannual
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
NOTE
Do not disconnect multimeter (multimeter is needed for step 9).
Change 4
3-81