Manual Celestron CGEM II (page 8 of 161) (English, German, French, Italian, Spanish)

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8 | ENGLISH

Your CGEM II tripod comes with the alignment peg

installed so the polar axis and counterweight bar extends

between two tripod legs. If you wish, you can reposition the

alignment peg so the counterweight bar extends directly

over a tripod leg. This is a matter of personal preference and

does not affect the stability of the mount. Observers at lower

latitudes will prefer to leave the alignment peg between two

legs to avoid the counterweight from making contact with the

tripod leg when the counterweight is in the lowest part of its

swing. To change the position of the alignment peg:

1. Use a wrench to hold the alignment peg in place while

using another wrench to loosen the locking nut under-

neath the alignment peg.

2. Once the nut is loose, you can unthread the alignment

peg and move it to the threaded hole on the opposite

side of the tripod head.

3. Thread the peg in until it stops, and back it off until the

ﬂat sides of the alignment peg are square to the tripod.

4. Hold the peg in this position with one wrench while

using another wrench to tighten the locking nut against

the tripod head.

5. Mount the equatorial head as described above.

Attaching the Accessory Tray

The CGEM II mount comes with an accessory tray that has

holes specially designed for 1.25” and 2” eyepieces. The

accessory tray also acts as a tripod leg tensioner to

add stability to the mount. To install the tray:

1. Remove the nut and washer from the lower side of the

tripod’s central rod.

2. Slide the accessory tray over the central rod so that

each arm of the tray is pushing against the inside of

the tripod legs.

3. Thread the accessory tray knob onto the central rod

and tighten.

Installing the Counterweight Bar

To properly balance the telescope, the mount comes

with a counterweight bar and at least one counterweight

(depending on model). To install the counterweight bar:

1. Locate the counterweight bar and locking nut from the

box containing the equatorial head. The locking nut

should already be threaded onto the end of the counter-

weight bar.

2. Locate the opening in the equatorial mount on the

declination axis and thread the counterweight bar into

the opening until it is tight.

3. Tighten the counterweight bar lock nut fully.

Once the bar is securely in place, you are ready to attach

the counterweight.

Observing Tip: Since the fully assembled telescope can

be quite heavy, position the mount so that the polar axis is

pointing towards north before the optical tube assembly and

counterweights are attached. This will make the polar

alignment procedure much easier.

Central

Column

Mounting Knob

Alignment Peg

Lock Nut

Tripod Head

Tray Knob

Accessory

Tray

Declination Axis

Lock Nut

Counterweight Bar

Counterweight

Lock Screws

Safety

Screw

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Celestron CGEM II Manual

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