Speed Control Potentiometer - Toro Greensmaster eFlex 1800 Service Manual

Speed Control Potentiometer

g202575
1. Spring
2. Spacer (2 each)
3. Clutch disc
4. Throttle bracket
Checking the Operation of Speed Control Potentiometer
Testing the Speed Control Potentiometer
Electrical System: Testing the Electrical Components
5. Seal (2 each)
6. Speed wheel
7. Spacer (2 each)
8. Bolt (2 each)
The speed control potentiometer controls the electric motor speed which
determines the traction and cutting unit speed. The TEC uses the potentiometer
setting as an input to determine the necessary signal output for the motor
controller for correct electric motor speed. The speed control potentiometer is
attached to the speed control assembly on the handle
Check the operation of speed control potentiometer with the InfoCenter. With
the key switch in the R
choose the Throttle and ensure that the displayed voltage changes as the speed
wheel is rotated. Further potentiometer testing is necessary only if the displayed
voltage does not change when using the InfoCenter.
1. Park the machine on a level surface and place the traction lever in the
N position. Turn the key switch to the O
EUTRAL
key from the key switch.
Figure 110
position and the InfoCenter in the diagnostics menu,
UN
Page 5–60
9. Washer-head screw (4 each)
10. Console cover
11. Potentiometer
12. Locknut (2 each)
(Figure 110).
position and remove the
FF
Greensmaster ® eFlex 1800, 2100 and 2120
12189SL Rev E