TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 341 of 1417
Table
1.
Field Preventive Maintenance Checks and Services - Continued.
ITEM
NO.
INTERVAL
ITEM TO BE
CHECKED OR
SERVICED
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE IF:
11
Semiannual
Batteries
WARNING
•
Wear safety glasses or goggles when
checking batteries. Always check
electrolyte level with engine stopped. Do
not smoke or use exposed flame when
checking batteries; explosive gases are
present. Failure to comply may result in
injury or death to personnel.
•
Remove all jewelry such as rings, dog
tags, bracelets, etc. If jewelry contacts
battery terminal, a direct short may result
in instant heating of tools, damage to
equipment. Failure to comply may result
in injury or death to personnel.
•
Remove or disconnect batteries, and
turn master battery disconnect switch off
prior to performing maintenance in
immediate area or working on electrical
system. Such disconnections prevent
electrical shock to personnel and
equipment. Failure to comply may result
in damage to equipment, injury, or death
to personnel.
•
Ensure seatbelts do not come in contact
with electrolyte. Damage to strapping
will result. Failure to comply may result
in injury or death to personnel.
•
Ensure seatbelts are not caught inside
battery box when closing cover. Failure
to comply may result in injury or death to
personnel.
a.
Clean and inspect batteries (WP
0346). Replace
if required.
b.
Inspect battery box for security of mounting and
completeness of assembly (WP
0347).
TM 9-2320-272-23-2
0207
0207-6
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