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TROUBLESHOOTING & REPAIR | ||
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CONTROL BOARD REMOVAL AND REPLACEMENT PROCEDURE
(CONTINUED)
FIGURE F.6 – CONTROL BOARD LOCATION
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Control
Board
1. Remove the input power to the machine.
WARNING
ELECTRIC SHOCK can kill.
•Have an electrician install and service this equipment. Turn the input power OFF at the fuse box before working on equipment. Do
not touch electrically hot parts.
2.Perform the Case Cover Removal Procedure.
3.Locate the Control Board. See Figure F.6.
4.Remove the two set screws from the voltage and wire speed knobs using a 5/64” allen key. Remove the two nuts and washers using a1/2” Nutdriver.
See Figure F.7.
5.Remove the two phillips head screws from the nameplate of the machine. See Figure F.7.
6.Gently pull the case front forward about an inch to gain access to the Control Board.
7.Label and disconnect all plugs and leads connected to the Control Board.
8.Remove and Replace the Control Board.
9.Connect all previously removed leads and plugs to the new Control Board.
10.Install all previously removed mounting hardware.
11.Install case wraparound cover.