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Figure 3-20. Voltage change bord. removal and installation.
Figure 3-22. Fan blade, motor, and ballast resitor, removal and installation.
TM-5-3431-228-14 Welding Machine ARC: AC/DC 300 Amp Transformer Rectifier; Constant Current Base Mounted FSN 3431-235-4728 Manual
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3-37.
Fan
Blade,
Motor,
and
Ballast
Resis-
the
motor,
and
the
ballast
resistors.
b.
Installation.
tors
(1)
Refer
to
figure
3-22
and
install
the
fan
blade,
a.
Removal.
motor,
and
ballast
resistors.
(1)
Remove
the
fan
motor
and
guard
assembly
(2)
Install
the
fan
motor
and
guard
assembly
(
para
3-36).
(para
3-36).
(2)
Refer
to
figure
3-22
and
remove
the
fan
blade,
3-23