Multiple Fixed Speeds; Figure 10. Multiple Fixed Speeds - Leeson SPEEDMASTER WASHGUARD 174102 Operation Manual

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Multiple Fixed Speeds

Replace the speed adjust potentiometer with series resistors
with a total series resistance of 10K ohms (Figure 10). Add a
single-pole, multi-position switch with the correct number of
positions for the desired number of fixed speeds.

Figure 10. Multiple Fixed Speeds

Application Notes
R4
R3
TOTAL SERIES
RESISTANCE
R2
R1
SO502 3-PIN HEADER
Use customer supplied
Molex connector #09-50-3031 to mate
with 3-pin header (SO502) on control board.
10K OHMS