Lincoln Electric POWER MIG SVM167-A Service Manual page 79

F-43
TROUBLESHOOTING AND REPAIR
MAIN TRANSFORMER REPLACEMENT (Continued)
15. Carefully maneuver the main transformer
out the left side of the machine.
NOTE: Two people may be needed to maneu-
ver the main transformer out of the
machine.
REPLACEMENT
1. Carefully maneuver the new main trans-
former back into the machine and onto its
mounting studs.
2. Using a 1/2" nutdriver, mount the main trans-
former in its proper position.
3. Reconnect leads 118 and 121 previously
removed.
4. Using a 5/16" nutdriver, close the rear
access panel previously opened.
H1B
FIGURE F.17. - LEADS X9, X10, 104B,104C, & H1B
X10
POWER MIG® 215
5. Reconnect lead X1 to the output diode
bridge rectifier.
6. Reconnect leads X8, X7, X6, X5, X4, X3, &
X2 previously removed from the switch
assembly.
7. Reconnect lead H1B and the other associat-
ed lead connected to the same terminal.
These leads are connected to the ON/OFF
switch.
8. Replace any necessary cable ties and wiring
harnesses.
9. Reconnect leads X9, X10, 104B, & 104C.
See Wiring Diagram.
10. Using a 5/16" nutdriver, replace the tool tray.
11. Using a 3/8" nutdriver, replace both sides of
the case wraparound cover.
104B
104C
X9
F-43