Toro Groundmaster Series Service Manual page 227

Adjusting the Cutting Unit High Trim Height Switch (continued)
Testing the Cutting Unit High Trim Height Switch
Groundsmaster ® 3200, 3300 and 3310
19240SL Rev A
g306186
1. Switch bracket (on frame)
2. High trim height switch
3. If necessary, loosen the lock nuts securing the switch to the switch bracket
and set the switch so the correct clearance exists between the target eye
and the sensing plate. Tighten the switch lock nuts from 19 to 21 N·m (14
to 16 ft−lb). Re-check the switch to sensing plate clearance and adjust
if necessary.
The cutting unit high trim height switch and its circuit wiring can be tested using
the TDM display/controller; refer to
for Troubleshooting (page
wiring are not functioning correctly, proceed with the following test procedure:
1. Park the machine on a level surface, lower the cutting unit (or attachment),
engage the parking brake, set the key switch to the O
the key from the key switch.
2. Ensure that the high trim height switch is properly adjusted; refer to
the Cutting Unit High Trim Height Switch (page
3. Disconnect the high trim height switch from the machine wire harness.
Check the harness connectors for damage or corrosion and clean or repair
if necessary. Use a multimeter (ohms setting) to check the machine wire
harness connector.
Location Harness Connector
1 Main
2 Chassis Ground
Figure 92
3. Sensing plate (on lift arm)
4. Jam nut (2 each)
Using the TDM Display/Controller Screens
3–12). If testing determines that the switch and circuit
Wire
Pin
Color
P102 C Black
Page 6–35 Electrical System: Testing the Electrical Components
position and remove
FF
Adjusting
6–34).
Expected
Connector Graphic
Reading
Less than
2 ohms