MAINTENANCE AND SERVICING
Air Conditioning Evaporator
The air conditioning evaporator should be checked annually for cleanliness. If the air conditioning system produces
insufficient cooling, a possible cause is clogged evaporator fins. Fins will clog u p from the side opposite the
blowers. The evaporator is located inside the heating air conditioning unit under the cab. It is accessed by
removing the cover from the unit.
Removing Air Conditioning Cover
DANGER
Stop engine and remove key from ignition before
leaving operator's seat for any reason. A child or
even a pet could engage an idling machine.
1. Loosen the clam ps (A) on the two drain hoses and pull
the hoses off the air conditioning drain tubes.
Figure 5.51: HVAC System
2. Remove the ten fasteners (A) that attach the cover to
the housing. Re move the cover.
Figure 5.52: HVAC System
169890
2
22
Revision A