64-8
CHANGE 4
To backdate A3 Control/Reference Board to Date Codes below 91021:
Page 6-6,
Table 6-3.
5517B Board Assemblies Replaceable Parts:
Change A3Q3 from 1853-0347 to 1853-0332 TRANSISTOR PNP SI DARL PD=70W.
Page 6-10,
Table 6-3.
5517B/C Replaceable Parts:
Add H19, 1200-0081, INSULATOR-FLG BUSHING NYLON.
Page 6-11,
Figure 6-1.
5517B/C LASER HEAD EXPLODED VIEW:
Add H19, NYLON BUSHING between H18 Washer and A3 Control/Reference Board Assembly.
Page 8-51,
Figure 8-22.
A3 Controller/Reference Board Srhematic Diagram: Change A3Q3
from 1853-0347 to 1 853-0332 in Table of Active Elements.
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