Section IV. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
d e f i c i e n c i e s and shortcomings will be recorded
together with the corrective action taken on DA
To insure that the welding shop is ready for
Form 2404 at the earliest possible opportunity.
operation a t all times, i t m u s t b e i n s p e c t e d
systematically so that defects may be discovered
4-9. Preventive Maintenance Checks and
and corrected before they result in serious damage
Services
or failure. The necessary preventive maintenance
a. Refer to TM 5-3431-221-15 for preventive
checks and services to be performed are listed as
maintenance checks and services to the welding
machine.
i n d i c a t e the sequence of minimum inspection
b. Refer to TM 9-2330-202-14P for preventive
requirements. Defects discovered during operation
maintenance checks and services to the trailer
of the unit will be noted for future correction, to be
chassis.
made as soon as operation has ceased. Stop
c. Refer to
table 4-1 for preventive maintenance
o p e r a t i o n immediately if a deficiency is noted
checks and services to other than the trailer chassis
during operation which
would damage the
and the welding machine.
equipment i f operation were continued.
All
Section V. TROUBLESHOOTING
may occur, nor all tests or inspections and
corrective actions. If a malfunction is not listed or is
a. This section contains troubleshooting in-
not corrected by listed corrective actions, notify
formation for locating and correcting most of the
your supervisor.
operating troubles which may develop in the
c. Refer
to
TM
5-3431-221-15
for
welding shop. Each malfunction for an individual
troubleshooting that concerns the welding machine.
component, unit, or system is followed by a list of
d. R e f e r t o
TM 9-2330-202-14P for
tests or inspections which will help you to deter-
troubleshooting that concerns the trailer chassis.
mine probable cause and corrective actions to take.
You should perform the tests / inspections and
NOTE
corrective actions in the order listed.
Before you use this table, be sure you have
b. This manual cannot list all malfunctions that
performed all applicable operating checks.
Table 4-1. Preventive Maintenance Checks
and Services