Troubleshooting & repair, T1 transformer removal and replacement (continued) – Lincoln Electric LN-9 SVM127-A User Manual

Page 114

Advertising
background image

Retur

n to Section TOC

Retur

n to Section TOC

Retur

n to Section TOC

Retur

n to Section TOC

Retur

n to Master TOC

Retur

n to Master TOC

Retur

n to Master TOC

Retur

n to Master TOC

TROUBLESHOOTING & REPAIR

F-56

F-56

LN-9 Wire Feeder

PROCEDURE

1. Remove input power to the LN-9.

2. Using the phillips head screw driver remove

the screws holding the left side cover assem-
bly.

3. Lift the cover.

4. Disconnect primary lead #532 from the power

PC board terminal.

5. Disconnect the primary lead #31 from the R1

(2 ohm) resistor. See Figure F.16. Upon
reassembly this lead will have to be soldered
onto the R1 resistor.

T1 TRANSFORMER REMOVAL AND REPLACEMENT

(continued)

FIGURE F.16 – PRIMARY LEAD #31 AT R1 RESISTOR

R1

RESISTOR

LEAD 31

LEAD 532

Advertising