Lincoln Electric POWER WAVE SVM135-B Service Manual page 144

F-80
AUXILIARY TRANSFORMER NO. 1 REMOVAL AND
FIGURE F.23 — AUXILIARY TRANSFORMER NO. 1 REMOVAL AND REPLACEMENT PROCEDURE.
POWER BOARD
RECTIFIER BRIDGE
X1
X2
REMOVAL 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
case back.
TROUBLESHOOTING AND REPAIR
REPLACEMENT PROCEDURE (continued)
RECONNECT
H1
TERMINALS
CB4
POWER WAVE 455/POWER FEED 10
H2
H3
H4
H5
MAIN
CONNECTOR
X3
MOUNTING
SCREW
(2X)
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
X4
X5
FAN
MOTOR
LEADS