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Electric Dome Drive (ED-10, ED-6) Instructions
Introduction
The Electric Dome Drive system for HOME-DOME® and PRO-DOME™ observatories
provides an inexpensive, but reliable means for electric rotation of the dome. In our
smaller domes, the unit is especially useful for persons with impaired mobility or
strength, or for applications in which rotating the dome by hand is impractical (such as a
dome high above the floor, or located some distance from the observer). The electric
drive is essential for automation of your observatory.
The Electric Drive does NOT include remote indication of dome position; however, full
remote operation, including remote dome position indication, is available separately. Call
us for information on DOME-TRAK, DOME-DIAL and DIGITAL DOME WORKS
products.
Part list-- Electric Dome Drive
Drive plate/motor/roller assembly
For HD6S only, motor is mounted
horizontally. For all other domes, the
motor is mounted vertically.
Pivot arm, 10-32x½" bolt w/ lock-nut,
¼-20x1" bolt w/locknut
Pivot bushing, 1/4-20x1 FH, fender
washer, nut
Spring and chain
Hook w/ ¼-20x1" FH, washer, nut
Twisted pair wire
7' length
10' length
17' length
Instructions
TECHNICAL INNOVATIONS
7951 Cessna Ave.
Gaithersburg, MD 20879
(301) 977-9000
dom epage@ er ol s . c om
Copyright 1993
Revised June, 2001
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Table of Contents
Summary of Contents for TECHNICAL INNOVATIONS ED-10
- Page 1 TECHNICAL INNOVATIONS 7951 Cessna Ave. Gaithersburg, MD 20879 (301) 977-9000 dom epage@ er ol s . c om Electric Dome Drive (ED-10, ED-6) Instructions Copyright 1993 Revised June, 2001 Introduction The Electric Dome Drive system for HOME-DOME® and PRO-DOME™ observatories provides an inexpensive, but reliable means for electric rotation of the dome.
- Page 2 Please consult the instruction manual for advice in solving dome rotation problems. If you need assistance, please call Technical Innovations. Before you begin . . .
- Page 3 • Traction Check. Also check the traction material (grit) applied at the factory (the underside of the DSR will feel like sandpaper). Use a stiff brush to remove any excess. HD6S Rotation Motor Notes Because the base ring of the HD6S is just 9 inches high, we provide a special “sideways” motor drive to reduce vertical height needed for the ED.
- Page 4 material as desired). If you wish to shorten the wires, feel free to do so. If you wish to splice on additional wire, use #14 or #12 wire. The wires feed into the Power Supply, where they connect to the terminals providing the TOP "switched"...
- Page 5 Turning the dome by hand If you want to rotate the dome by hand instead of with the motors, or if you experience a power failure while using the dome -- loosen the spring from its hook, thus lowering the pivot arm.
- Page 6 N O T E : I n s t a l l w a s h e r s a s n e e d e d t o o b t a i n s m o o t h d r i v e p l a t e P I V O T B E A R I N G m o v e m e n t 1 / 4 B O LT / WA S H E R S /...
- Page 7 L O C K N U T D R I V E P L AT E P I V O T B E A R I N G D R I V E P L AT E P I V O T B E A R I N G ( S I D E V I E W ) ( S I D E V I E W ) N O T E : I n s t a l l w a s h e r s...
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