Just Add Sharks Blacknose A3, Руководство пользователя

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Lens
1. Use the z-axis operating handle to lower the bed so there is enough
clearance between the nozzle and the bed to slide out the lens tube
2. Loosen the two brass lens tube retaining screws and slide the tube
downwards. It should come free from the mirror housing. The air assist
hose and guide laser should remain attached to the lower part of the
lens tube
3. Unscrew the upper and lower parts of the lens tube at the - the lens is in
the upper section
4. Check the lens for dirt by looking through it at a source of light
5. If there are signs of dirt, remove the lens from the upper lens tube:
a. The mirror removal tool should to unscrew the lens retaining bolt
b. A clean cotton bud may be used to push the mirror out from the
top end
c. Note there is a small rubber washer between the lens and the
retaining bolt - this may be removed using a toothpick, dental pick
or needle - care must be taken to avoid scratching the lens
d. Light dirt may be removed with a glasses cleaning cloth, heavier
dirt may be removed by wetting a cotton bud with isopropanol
and gently rubbing the lens.
e. If the lens is pitted or exhibits other signs of damage, it should be
replaced