Troubleshooting & repair – Lincoln Electric COMMANDER 400 SVM133-B Manuel d'utilisation

Page 146

Advertising
background image

TROUBLESHOOTING & REPAIR

F-92

F-92

COMMANDER 400

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

SCR/DIODE RECTIFIER BRIDGE

REMOVAL AND REPLACEMENT

(continued)

FIGURE F.40 – RESISTOR R1 LOCATION

RESISTOR R1

LEAD #204B

12. Using the 11/32" wrench, remove the #204B

lead from the R1 (50 Ohm -100 Watt) resis-
tor. See Figure F.40. Cut any necessary
cable ties and clear leads for SCR/diode rec-
tifier bridge assembly removal.

NOTE: Be sure to replace any cut cable ties on
reassembly. Otherwise, the leads may catch in
the blower.

13. Remove the capacitor leads and grommet

from the rectifier bridge bracket. See Figure
F.41.

14. Using the 3/8" wrench, remove the four (2 on

each side) screws from the rectifier bridge
bracket. See Figure F.41.

FIGURE F.41 – RECTIFIER BRIDGE BRACKET DETAILS

GROMMET

BRACKET

SCREWS (4)

Advertising