Seat Switch
The seat switch is normally open and closes when the
operator is on the seat. If the traction system or PTO
switch is engaged when the operator raises out of the
seat, the engine will stop. The seat switch and its electri-
cal connector are located directly under the seat (Fig.
1
21).
Testing of the switch can be done without seat re-
moval by disconnecting the seat wire from the machine
wiring harness.
2
Testing
1.
2.
3.
Make sure the engine is off.
Disconnect electrical connector for the seat switch.
Check the continuity of the switch by connecting a
Figure 21
1.
Electrical connector
2.
Seat switch
multimeter (ohms setting) across the connector termi-
nals.
4.
With no pressure on the seat, there should be no
continuity between the seat switch terminals.
5.
Press directly onto the seat switch through the seat
cushion. There should be continuity as the seat cushion
approaches the bottom of its travel.
6.
Reconnect switch connector.
Parking Brake Switch
The switch used for the parking brake is a normally
closed switch. The parking brake switch is located under
the steering tower cover (Fig. 22) and opens when the
parking brake lever is engaged.
Testing
1.
Make sure the engine is off. Locate brake switch for
testing.
2.
3.
Disconnect electrical connector from the switch.
Check the continuity of the switch by connecting a
1
multimeter (ohms setting) across the connector termi-
nals.
4.
When the switch plunger is extended there should be
continuity between the switch terminals.
2
3
5.
be no continuity between the switch terminals.
When the switch plunger is depressed, there should
Figure 22
1.
2.
Parking brake switch
Parking brake rod
3.
Parking brake pawl
6.
Reconnect switch connector.
Groundsmaster 4100−D
Page 5 − 15
Electrical System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 4100 D |
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| Document Type | Catalog |
| Language | English |
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