Troubleshooting & repair, T2 transformer test (continued) – Lincoln Electric LN-9 SVM127-A User Manual

Page 86

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TROUBLESHOOTING & REPAIR

F-28

F-28

LN-9 Wire Feeder

T2 TRANSFORMER TEST

(continued)

4. Locate the T2 transformer primary lead

#32A connected to the 5 amp circuit break-
er. Remove lead #32A from the circuit break-
er. See Figure F.4 and the Wiring Diagram.

5. Lift the left side cover assembly.

6. Locate T2 transformer primary lead #531

connected to the R1 2-ohm resistor. See the
Wiring Diagram. See Figure F.4.

FIGURE F.4 – T2 PRIMARY LEADS #32A AT 5 AMP CIRCUIT BREAKER AND #531 AT R1 RESISTOR

LEAD 32A

LEAD 531

R1 RESISTOR

CIRCUIT
BREAKER

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