IBM 6400 series Maintenance Manual page 169

10. Install the shuttle cover assembly (page 209).
11. Check the hammer phasing adjustment (page 179).
12. Return the printer to normal operation (page 159).
Adjustment Procedures
1
5
Figure 25. Platen Gap Adjustment
1. Forms Thickness Lever
2. Feeler Gauge (0.011 inch or 0.28 mm)
3. Hammer Bank Cover Plate
4. Ribbon Mask
5. Set Screw, 3/32 inch hex (2)
NOTE: Left side adjustment
shown. Right side is the
same.
3
4
2
169