Lincoln Electric SVM120-A Welder User Manual


 
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TROUBLESHOOTING & REPAIR
F-52 F-52
RANGER 10-LX
FIELD CAPACITOR AND/OR RECTIFIER BRIDGE REMOVAL
AND REPLACEMENT (continued)
FIGURE F.12
RECTIFIER BRIDGE LOCATION AND DISCHARGING THE FIELD CAPACITOR
PROCEDURE
1. Perform this procedure with the engine
OFF.
2. With the 5/16” and 3/8” nut drivers, remove
the sheet metal screws from the right case
side.
3. Carefully remove the right case side.
4. Discharge the field capacitor by connecting
the jumper wire clips on the white and red
wire terminals on the top of the capacitor.
See Figure F.12. Leave the clips on for at
least 5 seconds, then remove.
5. Loosen the two screws on the top of the
capacitor. Lead #200 attaches to the posi-
tive (+) terminal. Lead #201A attaches to
the negative (-) terminal.
6. With the 5/16” nut driver, remove the sheet
metal screw that holds the capacitor
mounting bracket to the fuel tank support
bracket. Remove the field capacitor.
7. To install the capacitor, reattach the leads
to their respective terminals [#200 to pos-
itive (+); #201A to negative (-)] and tighten
the screws.
8. Using the 5/16” nut driver, assemble the
capacitor and mounting bracket to the
fuel tank support bracket.
9. Check that the leads are not grounded
and also for clearance and tightness.
10. Install the right case side using the sheet
metal screws and 5/16” and 1/8” nut dri-
vers.
Field Bridge Rectifier
(see inset)
Capacitor
Jumper