Lincoln Electric SVM197-A Welder User Manual


 
CAPACITOR AND/OR DIODE BRIDGE
REMOVAL AND REPLACEMENT PROCEDURE (continued)
TROUBLESHOOTING AND REPAIR
F-32 F-32
POWERARC® 5500
FIGURE F.9 - LOCATION AND DISCHARGING THE FIELD CAPACITOR
PROCEDURE - CAPACITOR
REMOVAL AND REPLACE-
MENT
1. Remove the engine spark plug wire.
2. With the 5/16” nut driver, remove the
8 sheet metal screws that hold the
top cover to the control box.
Remove the top cover.
3. With the 5/16” nut driver and wrench,
remove the 6 screws that hold the
control panel in place (2 in the front, 2
in the back, 2 in the bottom). Move
the panel aside as far as the leads will
allow.
4. Discharge the field capacitor by con-
necting the jumper wire clips on the
black and the red wire terminals on
the top of the capacitor. See Figure
F.9 for location. Leave the clips on
for at least 5 seconds, then remove.
5. The capacitor is mounted in a mold-
ed plastic holder. To remove it, pull
out on the top of the holder, then
slide it upward.
6. Snap the capacitor out of the assem-
bly.
7. Loosen the two screws on the top of
the capacitor. Leads 202A and 202
attach to the positive (+) terminal.
Leads 201 and 201A attach to the
negative (-) terminal.
8. To replace the capacitor, reattach the
leads to their respective terminals
(202A and 202 to positive (+); 201
and 201A to negative (-) and tighten
the screws securely. Snap the
capacitor back into the molded plas-
tic holder. Replace the control panel
and top cover of the control box and
tighten down the sheet metal screws
with the 5/16” nut driver.
201
201A
(-)
202
202A
(+)
Attachment for
Attachment for
Jumper
Capacitor
Cable Tie
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