Air Conditioning System

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Avoid possible injury. Improper servicing may cause refrigerant to penetrate eyes and skin or cause burns.

R-134a refrigerant must be used in air conditioning system. Service requires special equipment and procedures. See your John Deere dealer.

Some oil seepage from compressor shaft seal is normal.

Perform following checks if air conditioning system will not cool, or cooling is intermittent:

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  Confirm system does not function correctly. Access HVAC page on CommandCenter™ (see HVAC Settings--Generation 4 CommandCenter™ in HVAC section of this Operator’s Manual). Set fan increment bar (A) to highest speed. Access Set Temperature page (B) and set temperature to coldest setting (C). Operate engine at 2000 rpm. Check air vents to confirm cold air is not present.

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• Inspect and clean cab air filters. Replace filters if necessary. See Cab Recirculation Air Filter in Service - Change section of this Operator’s Manual.
• Clean grille and radiator. See Engine Cooling System in Service - Clean section of this Operator’s Manual.
• Check air vents for cold air flow.

If problems persist, see your John Deere dealer.