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with soft brush and then with cotton wool swab wetted with ether or alcohol.
Residual cotton fibers can be removed by air blasting.
The reassembly is done in reverse order. To avoid a readjustment of main
mirror the position of mirror assembly must correspond to the mark made
previously.
The corrector should not be disassembed for cleaning. In the case of need
the meniscus surface is cleaned with removed main mirror assembly.
A cleaning of optical parts and adjusting of telescope is prohibited before
warranty expiration. It requires care and thoroughness and should be fulfilled in
the case of absolute necessity only.
In the case new adjustment of the telescope is need after a disadjustment or
cleaning of optics with reassembling, remove the cap 8 (fig.4) and view the
selected object at maximal magnification when adjusting the screw-bolts 7 to
reach diffraction image needed.
Note that the adjustment procedure requires some experience and skill.
