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Celestron CGEM II Manual

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ENGLISH | 7
Assembly
This section covers the assembly instructions for your
Celestron CGEM II mount. Your mount should come with
all of the following:
• Equatorial head
• Tripod
• Accessory tray
• Counterweight bar with locking nut
• Azimuth adjustment screws (x2)
• Hand control
• Hand control holder (2 pieces)
• Car battery adapter cable
• Counterweight
If you purchased the CGEM II mount by itself, you should
receive one counterweight in the tripod box. If you purchased
an CGEM II telescope kit, you may receive one or two
additional counterweights, depending on the optical tube
included in the kit. These counterweights will be packed in
separate boxes. More information can be found in the section
of the manual concerning the use of your optical tube.
Remove all the pieces from their respective inner boxes and
place on a flat, clear work area. A large floor space is ideal.
When setting up your Celestron mount, you must start with
the tripod and work up from there. These instructions are
laid out in the order each task must be performed.
Setting up the Tripod
The CGEM II tripod comes with an all-metal center leg
brace/accessory tray to give rock solid support to the mount.
The tripod comes fully assembled with a metal plate, called
the tripod head that holds the legs together at the top. In
addition, there is a central rod that extends down from the
tripod head that attaches the equatorial mount to the tripod.
To set up the tripod:
1. Stand the tripod upright and pull the tripod legs apart
until each leg is fully extended. The tripod will now stand
by itself.
2. To adjust the height of the legs, loosen the lever found
at the bottom of each leg by rotating it counterclockwise.
3. Slide each leg out to the desired length and secure in
place by rotating the levers clockwise. Make sure the
levers are tight so the legs do not accidentally slide
inward when you add weight to the tripod.
The inner tripod legs are marked at regular intervals to
make it easier for you to level your tripod. Simply count
the marks exposed on each leg to determine if the legs
are all extended to the same length.
Attaching the Azimuth Adjustment Knobs
To ensure safe shipment of your CGEM II mount, the azimuth
adjustment knobs have been removed from the mount and
will need to be attached.
Before securing the mount to the tripod:
1. Locate the Azimuth Adjustment Knobs from the box
containing the CGEM II equatorial head.
2. Thread one knob into each of the holes located on either
side of the mount.
3. Only thread the knobs about half way in, leaving enough
space for the tripod alignment peg which will need to fit
between the two screw tips.
Attaching the Equatorial Mount
The CGEM II equatorial mount allows you to tilt the
telescope’s axis of rotation so that you can track the stars as
they move across the sky. On one side of the tripod head
is a metal alignment peg for aligning the mount. This side of
the tripod will face north when setting up for an astronomical
observing session. To attach the equatorial head:
1. Locate the azimuth adjustment screws on the equatorial
mount.
2. Retract the azimuth adjustment screws so they no longer
extend into the azimuth housing on the mount. Do NOT
remove the screws since they are needed later for
polar alignment.
3. Hold the equatorial mount over the tripod head so the
azimuth housing is above the metal peg.
4. Place the equatorial mount on the tripod head so that
the two are flush.
5. Push the mounting knob located on the central rod on
the underside of the tripod head upward and turn it
clockwise to hold the equatorial mount firmly in place.
Tripod
Head
Mounting Knob
Azimuth
Knobs
Equatorial
Mount
… 7 …


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