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TROUBLESHOOTING & REPAIR
AUXILIARY TRANSFORMER TEST (continued)
FIGURE F.10 Auxiliary Transformer
Auxiliary
Transformer
Secondary Lead
Plugs P52
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STATUS
THERMAL
LINCOLN
ELECTRIC
WARNING
REMOTE
POWER
ON
OFF
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TEST PROCEDURE
1.Remove input power to the POWER WAVE 355/405.
2.Using a 5/16” nut driver, remove the case wraparound cover.
3.Perform the Input Capacitor Discharge Procedure detailed earlier in this section.
4.Locate the auxiliary transformer. See Figure F.10.
5.Locate the secondary leads and plug P52. See Figure F.10 and F.11.
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FIGURE F.11 Plug Lead Connections Viewed From Transformer Lead Side of Plug
PW405
Only
(220V)
532
(115V)
Plug P52
Com 2 (31)
