115 Volt Supply Board Location - Lincoln Electric POWER WAVE S500 Service Manual

F-72
REMOVAL AND REPLACEMENT PROCEDURE (continued)
REMOVAL PROCEDURE
WARNING
ELECTRIC SHOCK
• Do not touch electrically live
parts or electrodes with your
skin or wet clothing.
• Insulate yourself from the work and ground.
• Always wear dry insulating gloves.
-------------------------------------------------------------------
1. Remove input power to the Power Wave
machine.
2. Perform the Case Cover Removal and DC
Link Capacitor
Remove the right side case cover.
TROUBLESHOOTING AND REPAIR
115 VOLT SUPPLY BOARD
FIGURE F.27 – 115 VOLT SUPPLY BOARD LOCATION
can kill.
® S500
Discharge Procedure.
POWER WAVE
115 VOLT
SUPPLY BOARD
3. Locate the 115 Volt Supply Board. See Figure
F.27.
4. Label and remove plugs J82 and J83. It is not
necessary to remove plug J81. See Figure
F.28. See Wiring Diagram.
5. Label and disconnect the leads connected to
tab terminals B5 and B6. See Figure F.28.
See Wiring Diagram.
6. Using a 3/8" nutdriver, remove the four nuts
securing the 115 Volt Supply Board to the front
divider panel. See Figure F.28.
7. Carefully remove the 115 Volt Supply Board
from the mounting studs. Cut any cable ties
that may inhibit the removal.
® S500
F-72