14
Attaching the Speed Sensor
The magnets are attached to a wheel hub or drive shaft and the
speed sensor is mounted directly over the magnet. When the
wheel or drive shaft begins turning, a speed impulse is sent to
the SprayMate II console every time a magnet passes by the tip
of the speed sensor. For the speed sensor to operate properly,
the spacing between the magnets and the tip of the sensor
must always remain constant. Before permanently mounting
any parts, be sure that the location you have selected will meet
the requirements shown in Illustration 6.
NOTE: Observe magnet polarities (see previous section).
Illustration 6
Magnet
Sensor
(Green body)
1/4" to 1/2" air gap
3/8" nuts
45˚ max.
Bracket must be
rigidly
mounted.
S
ensor assembly must not
be mounted more than
45˚ from perpendicular
NOTE: Magnets may be attached mechanically or adhered with
epoxy or other high quality adhesive. When using adhesive,
thoroughly clean the area of dirt and oil.
1" minimum
Illustration 5C
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