Lincoln Electric SVM158-A service manual Plug P52

Return to Section TOC

Return to Master TOC

F-34 F-34

TROUBLESHOOTING & REPAIR

AUXILIARY TRANSFORMER TEST (continued)

FIGURE F.8 Auxiliary Transformer

Auxiliary

Transformer

Secondary Lead

Plugs P52

Return to Section TOC

Return to Master TOC

A

AMPS

V

VOLTS

K

18

A

C-

7010

OUTPUT

LD T

C

STIC

60

WE

CC-

TIGSTICKGTAW

ERM

INALS

CV-WIRE ORED

CV-

X C

HOT

SE

FLU

LECT

ECT

4

5START

3

SEL

2

6

ARC

W

ARNING

CO

NTROL

1

7

-

0

8

-4

2

0

REMOTE

10

9

-6

+2

-8

+4

-10

+6

SOFT

+10

+8

CRISP

POWER

ON

OFF

Return to Section TOC

Return to Master TOC

TEST PROCEDURE

1.Remove input power to the V350-PRO.

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.8.

5.Locate the secondary leads and plug P52. See Figure F.8 and F.9.

Return to Section TOC

Return to Master TOC

FIGURE F.9 Plug Lead Connections Viewed From Transformer Lead Side of Plug

532 42 24

1	2	3	4	5	6	7	8
9	10	11	12	13	14	15	16

Plug P52

31 54 541

V350-PRO