User Guide

- A12 -
VBA12001-R.3668.A
Angle adjustment of Main mirror and sub-mirror
*Tools required:
1.Main mirror 45°Inspection and Adjustment
2. Sub-mirror 47.75° Inspection and Adjustment
J18037
J18362
Collimator (J19002)
Reection mirror (J18362
Optical parallel (J18037
Hexagonal wrench
Main mirror
Eccentric pin for
the main mirror
Collimator
Bayonet
J18324
Collimator (J19002)
Sub-Mirror 45 deg. inspection tool
J18324
Hexagonal wrench
Sub-mirror
Eccentric pin
for the sub-
mirror
Collimator
Bayonet
* Standard:
Main mirror Sub-mirror
Left-right
deviation
  
±30’ or less
      __  
Up-down
deviation
   
±10’
  
+15’
-50'
Distortion
   
8’or less
   
8’or less
Up-down
Left-right
Reference
line
Width of line indicates
deviation.
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 deviation is out of standard, make an adjustment by turning the
eccentric pin with Hexagonal wrench.
In case the deviations of up-down and left-right are out of standard, the front plate unit or mirror unit is
regarded as malfunctioning.
In case of checking or adjusting only the front body, check again after assembling the front body into the rear
body.
* Note: