Rapid Range Change Rpm Chart - Dake SB-250V Owner's Manual

Rapid range change
With the motor running (NOT ON THE HIGHEST SPEED), push or pull the range
change handle and at the same time change the adjustment handle to the desired
range. See chart below for ranges.
Frequency
Middle speed
High speed
SB-250V RPM Chart
High
Speed
10 120
20 234
30 350
40 465
50 580
60 695
70 811
80 926
90 1042
100 1157
110 1270
120 1381
12
Low speed / high torque
Range change handle
Adjustment handle
Low speed
Middle High Torque
101 68
200 112
291 197
387 263
483 328
580 400
675 465
771 530
865 585
964 615
1061 713
1155 776