Air Conditioning On/Off Switch (Model 31903 And 31909) - Toro Groundmaster Series Service Manual

Air Conditioning On/Off Switch (Model 31903 and 31909)

Testing the Air Conditioning On/Off Switch
Electrical System: Testing the Electrical Components
POSITION CLOSED
CIRCUITS
OFF NONE
ON 1+ 2 + 3
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. Disconnect the battery negative (-) cable at the battery.
3. Remove the roof from the cab.
4. Disconnect the wire harness connectors from the switch and remove the
switch from the AC control panel if necessary.
5. Use a multimeter (ohms setting) and the preceding table to determine
whether continuity exists between the various terminals for each switch
position.
6. Replace the switch if necessary.
7. If the switch tests correctly and a circuit problem still exists, check the wire
harnesses; refer to
8. Install the switch, connect the wire harness, inspect and repair the roof seals
as necessary, and install the roof after testing.
9. Connect the battery negative (-) cable at the battery.
Appendix A (page A–1).
Page 6–38
position and remove
FF
Groundsmaster ® 3200, 3300 and 3310
19240SL Rev A