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F-36

TROUBLESHOOTING AND REPAIR

F-36

 

AUXILIARY TRANSFORMER TEST (continued)

 

FIGURE F.10 Auxiliary Transformer

Auxiliary

Transformer

Secondary Lead

Plugs P52

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STATUS

THER

MAL

LINECLOLN

ECTRIC

WARNING

REMOTE

POWER

ON

OFF

TEST PROCEDURE

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1.Remove input power to the POWER WAVE 355M/405M.

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)

POWER WAVE 355M/405M

Page 82
Image 82
Lincoln Electric 405M, 355M service manual Auxiliary Transformer Test