TM 9-4940-421-14
Table 3-2. Operator/Crew preventive Maintenance Checks and Services (cont)
LOCATION
NOT FULLY MISSION
ITEM TO
ITEM
PROCEDURE
CAPABLE IF:
CHECK/SERVICE
INTERVAL
NO.
ARC WELDING MACHINE
ENGINE (CONT)
Battery cannot be
Check battery charge indicator (4) as
Battery
Monthly
8
follows:
charged or will not hold
a charge, or if connec-
tors are loose, or if con-
nectors and/or posts are
corroded, or if case is
cracked or leaking.
Inspect battery terminals and cable
connectors (5) for looseness and cor-
rosion. Tighten loose cable connec-
tors. Inspect case (6) for cracks and
leaks. Notify organizational mainte-
nance for battery servicing or replace-
ment.
ARC WELDING MACHINE
POWER UNIT
Mountings are loose or
Inspect both sides of unit for darnaged
Arc Welding Ma-
Weekly
9
damaged, or if prote-
or loose mountings (7). Tighten loose
chine Power Unit
mountings. Check for dirt or debris
ctive cage is not securely
obstructing vents (8). Clean off any
in place (3 or more
debris with a soft-bristle brush.
screws stripped or miss-
Check that protective cage (9) is se-
ing).
curely in place. Tighten screws if nec-
essary. Report any missing compo-
nents or damage to organizational
maintenance.
Change 1
3-2.2
