Nikon VBA23001 - Angle Inspection and Adjustment of Main Mirror and Sub-Mirror

VBA23001-R.3762.A
- A22 ･ D90 -
Angle inspection and adjustment of Main mirror and Sub-mirror
Caution:
・
Before and after the adjustment, check the accuracy by moving the main mirror up- and downwards a few times.
・
Check for the up-down deviation. In case the result is out of standard, make the adjustment by turning the eccentric pin
with Hexagonal wrench.
・
In case up-down/left-right deviation is out of standard, the defects in front plate unit or mirror unit are possible.
・
If the inspection & adjustment were made only for the front body, assemble it into the rear body and make the
inspection & adjustment again.
Main mirror Sub-mirror
Left-right
deviation
±10’
＿＿
Up-down
deviation
±
5
’ ±
10
’
Distortion 6’or less 6’or less
Standard:
Up-down
Left-right
Reference
line
Width of line
indicates deviation.
Device:
①
Collimator (J19110)
②
Sub-mirror 59° angle tool (J18409)
③
Hexagonal key
①
Collimator (J19110)
②
Reection mirror (J18389)
③
Optical parallel (J18037-2)
④
Hexagonal key
1. Main-mirror 45°-deg. angle inspection and adjustment
2. Sub-mirror 59°-deg. angle inspection and adjustment
J18037
J18362
Main-mirror
Eccentric pin for
the main mirror
Collimator
Bayonet
Sub-mirror
Eccentric pin for
the sub-mirror
Collimator
J18324
Bayonet
(J18037-2)
(J18409)
(J18389)
INC