Sharp RD-1230 Operation Manual page 49

Ⅲ.Change spindle speed.
Pic. a.
No. Term
1. Three speeds change lever
2. Two speeds change lever High and low speeds change lever.
3. Indicating ring for high
and low speed.
4. Reference point for the
three speeds change lever
5. Reference point for the
two speeds change lever
6. Pole change switch
Ⅳ. Change the spindle speed as the following way:
a. Have spindle rotate.
b. Look up in the speed table and choose a suitable speed rate.
c. Turn on the switch for the feed rate.
Precaution when changing speed:
a. Spindle rotation must be stopped when at changing speed.
b. Please press down the emergent stop button for safety reason.
c. Change speed only after the spindle stops completely.
Low If the pole switch to high position, its 8 pole.
OFF If the pole switch to "OFF" position, the
motor can't turn run.
High If the pole switch in high position, its 4 pole.
Normal, switch to high position.
It is to indicate the current speed.
It refers to the current position of the three speeds
change lever.
5-19
Label 6 of detail.
Description