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2. Attach the 40.5 deg. secondary mirror gauge to the mirror angle checking tool.
Fig. 3-48 Mirror angle checking tool
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1. Rotate the gear so that the mirror goes down completely.
If you rotate the gear too much, rotate the gear again in the same direction so that
the mirror is at the down position.
2. Detach the AF unit from the front panel unit, and attach the front panel unit to the
mirror angle checking tool. Put it on the same table as the auto collimator.
3. Look at the reflective chart’s image position within the auto collimator’s viewing area
to determine whether it is good or not.
* If it is within the viewing area, it should be within approx. ± 5’.
Fig. 3-49 Mirror angle standard
Part 3: Repair Information
3-35
Front panel unit attachment
position
CY9-7098-007
Secondary mirror reflective chart image
Flat mirror reflective chart image
Main mirror reflective
chart image
Chart images within the viewing area
Summary of Contents for C12-8453
Page 7: ...Part 1 General Information ...
Page 12: ...Fig 1 2 Three External Views Part 1 General Information 1 5 ...
Page 53: ...Part 1 General Information 1 46 Fig 1 23 Three External Views ...
Page 67: ...Part 2 Technical Information ...
Page 103: ...Part 3 Repair Information ...
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Page 117: ... MEMO Part 3 Repair Information 3 13 ...
Page 123: ... MEMO Part 3 Repair Information 3 19 ...
Page 137: ... MEMO Part 3 Repair Information 3 33 ...
Page 148: ...Part 4 Electrical Adjustment ...
Page 195: ...Part 5 Parts Catalog ...
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Page 237: ...Part 6 Electrical Diagrams ...
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