ASTRO-PHYSICS 600 Manual - Página 3
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Imprimir páginaMount Maintenance and Alignment
Under normal operating conditions, no maintenance is required. For customer convenience, we have added certain
adjustments that will keep the mounting in top shape, but only if the adjustment procedures are understood. Do not
attempt any adjustments to the drive gear with telescopes or counterweights attached to the mounting.
The heart of the mounting is the worm gear drive. For highest accuracy, the alignment of the stainless steel worm against
the wheel is critical. This alignment should not be disturbed: do not loosen the four screws on the side of the worm
housing. There is provision for adjusting the tension of the worm against the worm wheel. It is advised that you do not
make any adjustment unless you are thoroughly familiar with worm gears. Adjustments of the worm should be made with
the motor assembly removed from the mount. Tighten the gear engagement only enough to just eliminate backlash. The
small worm gear must move freely. If the gear is too tight, it will not drive accurately.
The declination axis uses a tangent arm slow motion system. If backlash develops in this axis, the small stainless steel
captive nut requires tightening. This is accomplished with the set screw on the nut. Tighten the set screw just enough to
eliminate the backlash.
Both the R.A. and Dec. have manual slow motion knobs. These allow you to manually move the axes by a small amount.
These knobs have friction pads that may in time loosen. If this happens, the motors will slip and not drive properly,
especially if the telescope is unbalanced. To remedy this, loosen the set screws on the knob and tighten the knob against
the friction pad. The knobs are internally threaded – rotate them clockwise to tighten, counterclockwise to loosen.
Tighten the set screws again to lock the knobs to the shaft.
If any problems occur, please don't hesitate to contact Astro-Physics for assistance.
Possible Modifications for your 600 Mount:
ST-4 Modification: The 8010 controller can be modified to accept the ST-4 autoguider. If this modification has already
been made, you will see an on-off switch and male 15-pin D-sub connector on the lower side of the box. Please call
Astro-Physics if you need modification #ST4MOD.
DUAL AXIS HAND CONTROLLER FOR MODEL 600 AND 800 MOUNTS
Astro-Physics, Inc.
11250 Forest Hills Road
Machesney Park, IL 61115
Telephone: (815) 282-1513
Fax: (815) 282-9847
www.astro-physics.com
Select your driving rate
SID
SOL = Solar rate
LUN = Lunar rate
VAR = Variable rate. Push this button, then turn
DEC
= Declination
R.A.
= Right Ascension
MODE = You can adjust the rate for slewing (8X) or guiding
(2X).
= Sidereal rate
Var.Rate knob