CHAPTER 5
DIRECT AND GENERAL SUPPORT AND DEPOT MAINTENANCE INSTRUCTIONS
Section I. GENERAL
direct to the Commanding General, U.S. Army Mobility
78. Scope
Equipment Center, ATTN: SMOME-MMP, P.
O.
a. These instructions are published for the use of
Drawer 58, St. Louis, Mo. 63166. One information
direct and general support and depot maintenance
copy will be provided to the individual's immediate
personnel maintaining the P&H Model W300 MG
supervisor.
Welding machine. They provide information on the
c.
Report
all
equipment
improvement
maintenance of the equipment which is beyond the
recommendations as prescribed by TM 38-750.
scope of the tools, equipment, personnel, or supplies
normally available to using organizations.
79. Record and Report Forms
b. The direct reporting of errors, omissions, and
For record and report forms .applicable to field and
recommendations for improving this manual is
depot maintenance, refer to TM 38-750.
authorized and encouraged.
DA Form 2028
Note. Applicable forms, excluding Standard Form 46
(Recommended Changes to DA Publications) will be
used for reporting these improvements. This form will
which is carried by the operator, will be kept in a canvas
be completed in triplicate, using pencil, pen, or
bag mounted on the equipment.
typewriter. The original and one copy will be forwarded
Section II. DESCRIPTION AND DATA
Lubrication ............................................ Sealed bearings
80. Description
Duty classification ................................................... 60%
Degree of enclosure .................................................Full
A general description of the welding machine, the
Drive ..................................................................... Direct
location and description of the identification and
Type....................................................... Induction motor
instruction plates are contained in chapter 1.
Temperature rise.............................. 50oC. (Centigrade)
81. Tabulated Data
c. Exciter Classification and Rating.
a. General. This paragraph contains all the overhaul
Type............................................................. Self-excited
data pertinent to direct and general support and depot
Rated speed..............3,500 rpm (revolutions per minute)
maintenance personnel. A wiring diagram (fig. 16) is
Field winding......................................................... Shunt
also included.
Cooling .................................................................... Fan
b. Generator Classification and Rating.
Duty classification ................................................... 60%
Rating ....................................................... 300 amperes
Degree of enclosure ..................................................Full
Voltage .............................................................220/440
Temperature rise ...................................................50C
Phase................................................................. 3 phase
Mounting .............................................................Integral
Frequency ....................................................... 60 cycle
Cooling ................................................................... Fan
d. Generator Repair and Replacement Standard.
AGO 8244A
33