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TROUBLESHOOTING & REPAIR
INPUT FILTER BOARD REMOVAL AND REPLACEMENT (continued)
FIGURE F.26 MAIN IGBT BOARD LEAD REMOVAL
RV1
RV2 
CAUTION
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Observe static precautions detailed in PC Board Troubleshooting Procedures at the beginning of this section.
7.Clean RTV off of the top of the input filter board mounting slides.
8.Release the board by simply pressing the two metal buttons at the ends of the board with your thumbs. Depressing these buttons will free the plastic lock pins that prevent the P.C. board from sliding upward.
9.Remove and replace the input filter board.
10.Slide the new input filter board into its proper posi- tion on the mounting slides.
11.Push on backside of mounting pins to ensure that the P.C. board is secured in its proper position.
12.Reconnect all previously removed leads to their proper locations. See Wiring Diagram if neces- sary.
13.Replace case wraparound assembly.
