Assemble washers onto the
ADJUSTMENT BOLT in this order:
Small washer
Ball bearing washer
Larger washer
Thread the ADJUSTMENT BOLT
through all of the assembled base
parts. Tighten the knob until it feels
firm but not too tight.
TIP
: Tightening or loosening this
knob is how you will adjust the
amount of effort it takes to rotate
your Apertura™ Dobsonian
telescope on its base.
Attach the 4-HOLE EYEPIECE TRAY
to the BASE RIGHT panel of the
BASE HOUSING ASSEMBLY using
the two pre-drilled holes and two
small black Phillips screws.
Summary of Contents for Dobsonian Telescope
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Page 3: ...DOBSONIAN TELESCOPE Assembly Instructions and User s Guide...
Page 22: ...2015 Rev 3 15...