Print Wheel To Platen Adjustment - Wang DW/OS-20 Maintenance Manual

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Rotate print wheel approximately 180 degrees and ensure a happy
medium at both positions.
8. Remove alignment tool, knob, and alignment disk (by grasping the
alignment disk perimeter.
9. Replace print wheel. Put carriage assembly in its normal operating
position. Replace ribbon.
5.2.1.1.2 Print Wheel to Platen Adjustment
1. With the power off, remove the print wheel from the carriage assembly.
2. Remove print wheel by grasping and pulling hub firmly to release.
NOTE
Be certain to support assembly by grasping
Hannner Housing assembly with one hand while
performing step 3.
3. Insert alignment disk (WL #580-0152) in place of the Print Wheel
(alignment disk's raised side should be positioned toward the hub).
(See figure 5-3.) Alignment disk is held in place by a knob (WL
#655-0274) •
4.
Lift bail roller assembly away from platen.
5. Return carriage assembly to its normal operating position (holding by
hallUller housing assembly). Be certain the daisy assembly is properly
seated.
6. Set the small end of the alignment tool (WL #580-0225) forward on the
platen in line with the alignment disk (figure 5-3).
7. Loosen four Phillips head screws on the carriage assembly (figure
5-6) and then tighten them so they are only slightly snug.
8. Snap the daisy motor assembly into its normal operating position
(grasp by hanuner housing).
9. Set the small end of the alignment tool (WL #580-0225) forward on the
platen in line with the alignment disk (figure 5-4).
10. Adjust the carriage assembly so that the alignment tool fits loosely
between the alignment disk and the platen and the carriage assembly
is parallel with both the platen and the carriage base plate (the
assembly on which it is mounted). See figure 5-6.
11. Tighten the four phillips head screws and repeat the check as a final
adjustment.
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