Traction Neutral Switch
The traction neutral switch is a normally open proximity
switch that closes when the traction pedal is in the neu-
tral position. The switch is attached to the hydrostat
pump plate (Fig. 16). A cap screw located on the neutral
arm acts as the sensing plate for the switch.
3
Testing
1
1.
Park machine on a level surface, lower attachment,
2
stop engine, apply parking brake and remove key from
ignition switch.
5
2.
Remove center shroud to allow access to traction
4
neutral switch (Fig. 17).
Figure 16
3.
4.
Locate traction neutral switch for testing.
1.
2.
3.
Traction pump lever
Traction neutral switch
Switch connector
4.
5.
Cap screw
Traction rod
Disconnect the wire harness electrical connector
from the neutral switch.
2
3
5.
multimeter (ohms setting) across the switch connector
terminals.
Check the continuity of the switch by connecting a
1
6.
With the ignition switch in the OFF position, slowly
push the traction pedal in the forward and reverse direc-
tion while watching the multimeter. Continuity should be
broken in both the forward and reverse directions.
7.
tion. There should be continuity across the terminals
when the pedal is in neutral.
Allow the traction pedal to return to the neutral posi-
8.
9.
Connect the electrical connector to the switch.
Install center shroud to machine (Fig. 17).
Figure 17
3.
Adjustment (Fig. 16)
Before adjusting the traction neutral switch, check
1.
2.
Center shroud
Cap screw (2 used)
Flat washer (2 used)
1.
and adjust traction system neutral position (see Opera-
tor’s Manual).
IMPORTANT: To prevent traction neutral switch
damage, make sure that end of cap screw does not
contact switch.
2.
Loosen jam nut on cap screw.
3.
With traction pedal in the neutral position, rotate cap
screw so the clearance between head of the screw and
neutral switch is .030” to .090” (.8 to 2.2 mm).
4.
Tighten jam nut on cap screw to secure adjustment.
After jam nut is tightened, make sure that clearance be-
tween cap screw and neutral switch has not changed.
5.
Check for proper switch operation (see Testing
above).
Sand Pro & Infield Pro 3040/5040
Page 5 – 13
Electrical System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 3040, Toro 5040 |
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| Language | English |
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