6–12
Replacement Procedures and Parts
Hammer Bank
Removal
1. Turn the printer off and unplug the ac power cord.
2. Remove the ribbon and unload paper.
3. Disconnect the two ribbon motor cables (1) on each side of the ribbon
deck. (See Figure 6–1.)
4. Remove the ribbon deck assembly (2) by removing one screw on the
right side of the ribbon deck, and two screws on the left side.
5. Remove the cam cover (3).
6. Remove the cam cover plate (4).
7. Remove the dust barrier block (5).
8. Disconnect the six hammer bank cables (6).
9. Remove the two velcro covers (7).
10. Remove the two screws (8) that attach the shuttle shroud to the bearing
caps.
11. Remove the two anti–rotation block screws (9) using an allen wrench.
Remove the anti–rotation shims (10). Do not discard the shims; you will
use them later.
12. Loosen the jam nut (11) in the center of each bearing cap. Loosen the
bearing set screw (12) in the center of each bearing cap. Loosen and
remove the bearing cap screws (13 and 14), and remove the right and left
bearing caps (15 and 16).
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