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Figure 3-18. Main contactor, removal and installation.
Figure 3-20. Voltage change bord. 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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Figure
3-19.
solenoid
valves,
removal and installation.
change
board.
3-35.
Voltage
Change
Board
--
b.
Installation.
a.
Removal.
(1)
Refer
to
figure
3-20
and
install
the
voltage
(1)
Disconnect
ac
power
from
the
welding
ma-
change
hoard.
chine.
(2)
Install
the
top
and
housing
(para
3-20).
(2)
Remove
top
and
housing
(para
3-20).
(3)
Refer
to
figure
3-20
and
remove
the
voltage
3-21