DIRECT SUPPORT, GENERAL SUPPORT, MAINTENANCE INSTRUCTIONS
Section I. GENERAL
information describing operator and organizational
level maintenance.
This chapter contains information for direct support
6-2. Forms and Records
(DS) and general support (GS) level maintenance.
DA Forms and records used for equipment mainte-
Troubleshooting, removal and replacement, and
nance will be only those prescribed in TM 38-750.
repair are described. Refer to previous chapters for
Section II. DESCRIPTION AND DATA
For a complete description of functional circuits in
3-23.
a. General. This paragraph contains data perti-
nent to overhaul and repair at DS and GS mainte-
nance.
Primary. .. . .. .. . . . . . . . . . .. . . . . 230 or 460 vac
Frequency. . . . . . . . . . . . . . . . 60 Hertz
Secondary. . . . . . . . . . . . . . . . . . . . . . . . . 230 vac and 24 vac
20 to 25 f t-lb
d. Schematic Wiring Diagram. Figure 7-2 shows
the schematic wiring diagram for this welding ma-
chine.
e. Time Standards. Table 6-1 lists the number of
man-hours required under normal conditions to per-
form the indicated maintenance and repair for the
model MD301 FED Inert Gas Shielded Arc Welding
Machine. Components are listed under the appro-
priate index The times listed are not intended to be
rigid standards. Under adverse conditions, the oper-
ations will take longer, but under ideal conditions
with highly skilled mechanics, most of the operations
can be accomplished in considerably less time.