215676 341 Revision A
If the pressure exceeds 2482–2620 kPa (360–380 psi) during operation, the valve opens. It will close when pressure falls
below 1517–1931 kPa (220–280 psi). The high-pressure switch is located on the receiver drier (right cab-forward frame rail,
behind the fuse panel).
If the compressor cycles rapidly due to rapid changes in pressure, the cab display module (CDM) will display the message
CHECK A/C SYSTEM. Contact your MacDon Dealer for more information.
Servicing Air Conditioning Compressor
Beyond replacing the air conditioner compressor belt, most service procedures will have to be performed by a MacDon
Dealership.
To replace the air conditioner compressor’s belt, refer to Replacing Air Conditioner Compressor Belt, page 383.
MAINTENANCE AND SERVICING
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