iOptron CEM120 7300 - Mount Attachment and Base Setup; Counterweight Shaft and Latitude Setting; Payload and Counterweight Installation

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iOptron Corp. | 6E Gill Street | Woburn, MA 01801 USA | (781) 569-0200 | www.iOptron.com
1. AttachingtheMount:MakesurethattheRAaxleis
atthelockingposition.Removethemountfromthe
package.Putitontoapier/tripodtopandsecureit
withfourincludedBaseMountingScrews.

2. Installing the Counterweight (CW) Shaft:
Holdthe
mountheadwithonehand,pulltheRAAxleLocking
Knoboutward,slowlyrotatethemountRA90degree
tolevelposition.ReleasetheRAAxleLockingKnobto
locktheRAaxisagain.

RemovetheCWshaftfromthepackageandthreaded
intotheCWshaftmountinghouse.

3. Setting the Latitude:
LoosentheLatitudeLocking
Clampsaboutaquarter(1/4)turnwitha5mmAllen
wrench.
Turn the Latitude Adjustment Knob until the arrow
pointstoyourcurrentlatitudeontheLatitudeScale.
There are fine scales on the Knob, as shown in the
photo.

TightentheLatitudeLockingClampswhendone.
[NOTE:Forthoselowlatitudeplacesbetween0°to
10°, special low latitude CWs (#7326LL) are needed.
Pleasespecifywhenorder.]
4. Installing the Counterweight(s) and Telescope
:
Before installing the Counterweight(s), make sure
that mount is at Zero Position, i.e.,CWshaftis
pointing to ground. Both R.A. and DEC Axle Locking
Knobsareatthelockingposition(refertoFigure.1).
Remove the CW Safety Cap at the end of CW Shaft.
GuidetheCWovertheshaft.TightentheCWLocking
ScrewtoholdtheCWinplace.PlacetheSafetyCap
backontotheshaft.
You may need more CW for heavier payload, or
smallersizeCWforlighterscope.