Traction Neutral Switch - Toro Groundsmaster 4300-D Service Manual

Traction Neutral Switch

Testing the Traction Neutral Switch
Groundsmaster ® 4300-D
16226SL Rev C
g190822
1. Pump plate
2. Traction pump
3. Switch LED location
4. Traction neutral switch
The traction neutral switch is a normally open proximity switch that closes when
the traction pedal is in the N
on the traction pump (Figure
switch is the pump lever that is secured to the traction pump.
The Toro Electronic Controller (TEC) monitors the operation of the traction
neutral switch.
1. Park the machine on a level surface, lower the cutting decks, set the parking
brake, and shut off the engine.
2. Before you disconnect the neutral switch for testing, ensure that you test the
switch and its circuit wiring as a TEC electrical input with the InfoCenter
display; refer to Using the InfoCenter Display for Troubleshooting (page
5–26).
3. If the input testing verifies that the neutral switch and circuit wiring are
functioning correctly, no further neutral switch testing is necessary.
4. If the input testing determines that the neutral switch and circuit wiring are
not functioning correctly, proceed with the test.
5. Locate the traction neutral switch
6. Turn the key switch to the R
check the LED on the cable end of the neutral switch. The LED should be
illuminated when the traction pedal is in the N
7. With the key switch still in the R
the traction pedal out of the N
cable end of the neutral switch. The LED should not be illuminated when the
traction pedal is not in the N
8. If the neutral switch LED did not function correctly, do the following:
A. Ensure that the neutral switch is properly adjusted; refer to
the Traction Neutral Switch (page
and return to step 6.
Figure 173
5. Jam nut (2 each)
6. Lock washer (2 each)
7. Pump lever
position. The switch mounts to a pump plate
EUTRAL
173). The sensing plate for the traction neutral
(Figure 173).
position (do not start the engine) and
UN
position (do not start the engine), press
UN
position and check the LED on the
EUTRAL
position.
EUTRAL
5–41). If necessary, adjust the switch
Page 5–63 Electrical System: Testing the Electrical Components
position.
EUTRAL
Adjusting