NOTE: The thermostat can be changed without evacuating the A/C system, or removing the evaporator / heater unit from the excavator.
Remove the floor mat. (See Removal And Installation on Page 40-110-1.)
Remove the eight screws (Item 1) and cover (Item 2) [Figure 70-90-2].
Cut and remove the cable tie (Item 1) [Figure 70-90-3].
Remove the probe (Item 1) [Figure 70-90-4] from the coil.
NOTE: Mark the location of the probe before removal. Reinstall the probe in the same location.
Moving the thermostat probe location in the evaporator coil will effect air conditioning performance.
Remove the wire harness connector (Item 1) [Figure 70-90-5] from the mount.
Disconnect the wire harness (Item 1) [Figure 70-90-6].
Remove the thermostat from the unit.