Land 4500 MKII Premier, Руководство по эксплуатации и обслуживанию

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Model 4500 Premier Dust and Opacity Monitor
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Installing an Aperture Plate and Grating
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5
Zero Point Reflector Variable Aperture Assembly
Key.
1. Zero Point Reflector Holder
2. Grating
3. Aperture Plate
4. Reflector Plate
5. 3mm socket head screws
1. Undo the three M3 socket head screws (5) using a 2.5mm hexagonal (Allen) key and remove
the Reflector Plate, Aperture Plate and Grating.
2. Identify the selected Aperture Plate and Grating as shown above.
3. Set the Aperture and Grating Plates into the recess, ensuring that the tabs on both are
aligned with the slot on the holder.
4. Locate the Reflector Plate and tighten the 3 M3 socket head screws.
5. Refit the Zero Point Reflector on to the Automatic Zero Point Assembly as described previously.