2316 Operating Gantry Crane - 1983, Page 2
The original controller plastic Lever Retaining Springs quit
"springing" levers.
The replacement controller's momentary switches are more reliable.
Build a Replacement Controller
Materials for New Controller
Purchased Materials - 4 - 1A 400V
Rectifier Diodes (part #1N4004), 1 - 3.3" x 2.1" x 1.4" Project Box
(cheap, better ones are worth the price).
In Stock Materials - Scrap of
perforated circuit board, Surplus 22 gauge stranded hookup wire in
misc. colors, and two Single Pole Double Throw Center Off Momentary
Switches. The surplus switches were rewired with the more
flexible stranded 22 gauge hookup wire.
Materials Not pictured - In stock
Wire-Plex 24-gauge Type FC4 Controller wire, and insulated pad for
metal lid.
As Built Wiring Diagram
| Solder wires
inserted through board. After wiring, test the momentary switches to be sure the left controls the rotation and the right controls the hook. Test the up down toggle directions when mounting switches. |
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Completed
Replacement Controller |
Original and
Replacement Tops |
Helpful Information for Building Replacement Control Box
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