Delta PCS100 Maintenance Manual page 133

5. Remove the nuts securing the B board assembly.
6. Slide and remove the B board assembly.
7. Remove the screws securing the A board.
8. Release the hooks locking the A board.
9. Remove the A board
Maintenance Manual
Figure 176. Removing a B Board Assembly
Figure 177. Removing the Screws
Figure 178. Removing an A Board
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Maintenance