ASTRO-PHYSICS German Equatorial 1200GTO Upgrade Vervanging - Pagina 3

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9-B

9-A

10-B

10-A

10-C

11-A

11-B

12-A

12-B

13-A

13-B

13-C

Step 9 - Grab the housing with both hands and lift

out of the forks. Remember that the weight of the

housing is approximately 36 pounds.

Step 10 - Using a 3/16 inch hex key remove your

altitude bracket assembly. Take note that the pivot

screw aligns with the curved front surface of the

bracket. Make a record of the screw locations

before removal. All four screws must be removed.

Have an assistant spread the forks if there is too

much pressure on the bracket.

Step 11 - Remove the three remaining pier top

knobs. Lift the polar forks from the pedestal, invert

and set on a table. Remove the azimuth adjuster

or pair of adjusters depending on which version

you own. The new one part azimuth adjuster

(shown in photo11-A,B) is available for sale as

upgrade. Part number S1200AZA-A.

Step 12 - Remount your azimuth adjusters on the

new polar fork assembly. If you have the older two

part adjusters (shown in photo12-A,B) take note

that as the screw is tightened the azimuth threaded

rod should be parallel with the azimuth block cut

out. Use a 3/32 hex key for the azimuth

replacement.

Step13 - Place the new forks back on the pedestal.

Put three of the four pier top knobs back in place.

Remount the altitude bracket at the same hole

setting as the original forks. Note that the pivot

point is at the front curved surface of the bracket

(Step 10). Start with that screw first. Leave all four

screws loose at this stage.