Lincoln Electric 10372 Service Manual page 144

F-80
UXILI RY TR NSFORMER NO. 1 REMOV L
FIGURE F.23 — UXILI RY TR NSFORMER NO. 1 REMOV L
POWER BOARD
RECTIFIER BRIDGE
X1
X2
REMOV L PROCEDURE
1. Remove input power to the Power
Wave 455.
2. Using the 3/8 in. nutdriver, remove the
case top, sides and input access
panel.
3. Perform the Capacitor Discharge
Procedure.
4. Using the 3/8 in. nutdriver, remove the
TROUBLESHOOTING ND REP IR
REPL CEMENT PROCEDURE ( ontinued)
RECONNECT
H1
TERMINALS
CB4
POWER W VE 455/POWER FEED 10
ND REPL CEMENT PROCEDURE.
H2
H3
H4
H5
MAIN
CONNECTOR
X3
MOUNTING
SCREW
(2X)
case back.
5. Remove leads X1 and X2 from the
power board rectifier bridge. Refer to
Figure F.23.
6. Cut X3 and X5 from the fan motor
leads. Leave enough lead length to
splice in the new transformer leads.
7. Remove lead X4 from the main contac-
tor coil terminal.
F-80
ND
X4
X5
FAN
MOTOR
LEADS