Fan Speed Switch (Machines With Operator Cab) - Toro Groundsmaster 3280-D Service Manual

Fan Speed Switch (Machines with Operator Cab)

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1. Cab headliner (air/heat panel)
Testing the Fan Speed Switch
Electrical System: Testing the Electrical Components
The fan speed switch is located in the cab headliner
used to select the fan speed (off, low, medium, or high).
1. Park the machine on a level surface, lower the cutting deck, and shut off the
engine. Remove the key from the key switch.
2. To access the switch, remove the roof from the top of the cab; refer to
Assembly (page 11–3).
3. Remove the air/heat panel from the cab headliner.
4. Disconnect the machine wire harness connector from the fan speed switch.
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5. The switch terminals are identified in
switch is shown in the
multimeter (ohms setting), test the switch functions to determine if continuity
exists between only the terminals listed for each switch position. Check the
continuity between the switch terminals.
Figure 142
2. Fan speed switch
Figure 143
Back of Switch
Figure 143
Circuit Logic Table (page
Page 6–42
(Figure 142). The switch is
Roof
and the circuitry of the
6–43). With the use of a
Groundsmaster ® 3280-D/3320
05138SL Rev B