Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B Service Manual page 101

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AUXILIARY TRANSFORMER #1 SECONDARY AND WIRING HARNESS TEST (continued)
10. Check for shorts at plugs J33, J34, J35,
J37, and J38 on the protection board.
Inspect the board for evidence of arcing.
11. After the test is completed and the prob-
lem successfully repaired, reconnect all
plugs disconnected for the test.
12. Install the PC board cover.
13. Install the machine case sides and top.
14. Install the handle and the lift bail rubber
gasket.
TROUBLESHOOTING & REPAIR
POWER WAVE 450
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