Service Air Conditioner (Cab)

causym CAUTION: Refrigerant under pressure. Improper servicing may cause refrigerant to penetrate eyes and skin or cause burns.

IMPORTANT: R134a refrigerant must be used. This requires special equipment and procedures. See your John Deere dealer.

NOTE: Some oil seepage from compressor shaft seal is normal.

Check the following if air conditioner will not cool, or if cooling is intermittent:

  • If air conditioner clutch slips after tractor has been in storage, compressor may be stuck. Stop engine and turn key switch to OFF position. Remove six cap screws and clutch cover (A). Rotate clutch hub back and forth to free compressor.


    A-Clutch Cover

    X9811
    P14493

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  • Run engine at 2000 rpm. Push top half of A/C and defrost switch (C) and set blower control knob (B) to HIGH position (A). If air flow is not cool, system may be low on refrigerant. See your John Deere dealer.
  • If cooling is intermittent, clean front grille, side vents, radiator and condenser . If problem is not solved, see your John Deere dealer.
  • Inspect operator enclosure (cab) filters for restriction. (See CLEAN CAB AIR FILTERS in this section). If problem persists, see your John Deere dealer.


A-High Position
B-Blower Control Knob
C-A/C and Defrost Switch

    LV8577

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