Assembly instructions for kit #12
3
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5. If you assembled the motor properly and lubricated the axle this motor on 1.5 Volts battery
may rotate with the speed up to 2600 RPM or even faster. This is really fast but may not be
fast enough for magnets to lose the adhesion and break the reed switch or fly off the rotor.
However as a precaution you may add a safety ring that completely eliminates this
possibility. This step is optional for your first experiments with the motor, but we strongly
recommend adding the ring later.
The ring fits tightly and requires some effort. After centering the ring squeeze the rotor
halves together to make sure that there is no gap between them.
6. Assemble rotor on the base plate. Try to spin it by hand. If it does not spin freely you might
need to squeeze blue bricks slightly together to push plastic shaft sleeves in. There should
be a tiny gap between sleeves and inner sides of the bricks with holes.
We strongly recommend lubricating the shaft ends. It allows the motor to run smoother and
faster. You may use a small drop of oil from your car dipstick, WD-40, or even vegetable oil.
