Lincoln Electric 10372 Service Manual page 145

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UXILI RY TR NSFORMER NO. 1 REMOV L
8. Cut the X3 lead that is connected to
the input board. Leave enough lead
length to splice in the new transformer
lead.
9. Locate, label, and remove primary lead
H1 from circuit breaker CB4.
10. Label and remove primary leads H2,
H3, H4, and H5 from the reconnect ter-
minals on the reconnect panel. Note
lead placement for reassembly.
11. Using the 3/8 in. nutdriver, remove the
two mounting screws that hold the
transformer to the fan baffle and the
machine base.
12. Cut any necessary cable ties and clear
the leads.
13. Carefully remove the transformer from
the Power Wave 455.
REPL CEMENT PROCEDURE
1. Carefully place the transformer into the
Power Wave 455.
2. Install the two mounting screws that
TROUBLESHOOTING ND REP IR
REPL CEMENT PROCEDURE ( ontinued)
POWER W VE 455/POWER FEED 10
ND
hold the transformer to the fan baffle
and the machine base using the 3/8 in.
nutdriver.
3. Install the primary leads H2, H3, H4,
and H5 to the reconnect terminals on
the reconnect panel.
4. Connect primary lead H1 to circuit
breaker CB4.
5. Splice the new transformer lead with
the X3 lead connected to the input
board.
6. Connect lead X4 to the main contactor
coil terminal.
7. Splice the new transformer fan leads to
the fan motor leads X3 and X5.
8. Connect leads X1 and X2 to the power
board rectifier bridge.
9. Reposition any wire leads and install
wire ties as necessary.
10. Install the case back using the 3/8 in.
nutdriver.
11. Install the case top, sides, and input
access panel using the 3/8 in. nutdriver.
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