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TROUBLESHOOTING & REPAIR
OUTPUT RECTIFIER MODULES
REMOVAL AND REPLACEMENT (continued)
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PROCEDURE
1.Remove input power to the
2.Using a 5/16” nut driver remove the case wrap- around cover.
3.Perform the Input Filter Capacitor Discharge Procedure detailed earlier in this section.
4.Locate the output diode modules located behind the snubber board. See figure F.38.
5.Before the output rectifier modules can be reached, the Snubber Board Removal Procedure must be performed.
6.After the snubber board is removed, remove the four leads connected to the modules using a 3/16” allen wrench. These leads are #X4, #X2, #20, #40. Note their positions for reassembly. See Figure
F.39.
7.Remove the copper plates from the tops of the modules.
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FIGURE F.38. – OUTPUT RECTIFIER MODULE LEAD LOCATIONS
Output Diode
Modules
Snubber 
Board
