152 S450 Operation & Maintenance Manual
HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) SYSTEM (CONT’D)
Air Conditioning Evaporator / Heater Coil
See the SERVICE SCHEDULE for the correct service
interval. (See SERVICE SCHEDULE on Page 134.)
Stop the engine and raise the operator cab. (See Raising
on Page 147.)
Figure 198
Unhook the cover latches (Item 2) and remove the cover
(Item 1) [Figure 198].
Figure 199
Use low pressure air or water to remove debris from the
heater coil (Item 1) and evaporator (Item 2) [Figure 199].
Figure 200
Clean the plenum drains (Item 1) [Figure 200] to ensure
they are not plugged by debris.
Inspect the cover seal (Item 2) [Figure 200] for breaks
and tears. Ensure the seal is firmly attached all around
the cover. See your Bobcat dealer for a replacement seal.
Figure 201
NOTE: The bosses (Item 1) fit inside the core
supports (Item 2) [Figure 201] when the cover
is installed. Deformity of the cover indicates
they are out of position.
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