might be OK, but is not recommended. We highly recommended storing the
secondary cage and the mirror box in our optional waterproof Nylon storage bag.
Although big enough, do not store the rocker/ground board with the mirrors in the bag
for a long time; the potential evaporation from the lubricating material used by the AZ
bearing under high temperature will be harmful to the mirror coating.
4.2 Mirror Cleaning
You should not have to clean the mirror often. The best thing you can do to keep your
mirror is to prevent it from getting dirty in the first place! A simple air-blow cleaning,
using an optical air dust blower is the next best thing you can do.
The following instructions tell how to clean a telescope mirror that is very dirty. Your
new mirror should not be cleaned this way in any case.
You’ll need
•
Clean towels
•
Non-alkaline liquid detergent, such as Draft, Basic H, Safe Suds - NO
OTHERS. Skip step 2 if you cannot find the appropriate detergent.
•
A bottle of distilled or de-ionized water
•
A package of sterile cotton.
Remove the primary mirror from the mirror box:
•
Loosen the sling by loosening the lock nuts on the right split bolts with two
wrenches.
•
Carefully loosen the three retaining clips, and rotate all clips away from the
mirror to clear the way for the mirror.
•
Rotate the eccentric pins around to make as much room as possible for the
mirror.
To clean the secondary mirror, you will need to remove it from the telescope and
clean it with the diagonal holder. Hold the secondary holder stationary while
loosening the center hex screw. You do not need to remove the secondary mirror from
its holder when cleaning.
Do not touch the surface of the mirror with your fingers. Lift it carefully by its edge.
Step 1:
Wash out the sink with detergent thoroughly, rinse it well with plenty of water, and
lay a folded clean towel on the bottom. Remove any jewelry from your hands and
wrists. Put the mirror (aluminized face up) on the towel, and with the drain open, ply
the mirror’s surface with a gentle stream of room-temperature water for a few
minutes. This will remove most dust and grit safely. Next, rinse the surface with a
gentle stream of
distilled
water. Do not let the mirror dry.
Step 2:
Plug the sink, and fill the sink halfway with room temperature water. Add a few drops
of the liquid detergent and let the mirror soak for 5 or 10 minutes.
32
Summary of Contents for Ultra Light UL 16
Page 3: ...Figure 1 Mirror Box Figure 2 Upper Ring 3...
Page 4: ...Figure 3 Spider Vanes 4...
Page 6: ...Box 2 The primary mirror Qty Description 1 Primary Mirror 6...
Page 13: ...Figure 14 Center the secondary in the focuser drawtube 13...
Page 23: ...Figure 19 Tighten the knob screws 23...
Page 25: ...Figure 20 Slide in one slot first 25...
Page 27: ...2 5 Adjust the Sling After UL16 is fully assembled the sling must be adjusted 27...
