MAINTENANCE :
2
02.9663.0010 F 14-May-2009 39
Step 4. Carefully remove plates and components until blade or rack to be replaced is
reached. Install new component(s) as required.
Step 5. Re-assemble shutter’s four layers. Ensure that components are oriented and
aligned as shown in Figure 2-17.
Note: The difference between the two types of shutter blades can be found by
examining the main edge. Coated Side A blades (12.9663.1323) are beveled and the
Coated Side B blades (12.9663.1324) are not.
Figure 2-17: Shutter Assembly Layer Orientation
Shutter Blade
Rack
Rack
Layer 1
Layer 2
Layer 3
Layer 4
Align main edge of blade with
small hole in shutter rack
Install shutter blades
with dark mirror coating
facing down. DO NOT
Beveled
Blade
Straight
Blade
Beveled
Blade
Straight
Blade
touch blades with
bare fingers.
Shutter Blade
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