Checking Air Conditioning System

X9811-UN-23AUG88

Caution for Escaping Fluid

RXA0099460-UN-16OCT08

CommandARM™ Controls (ClimaTrak™)

RXA0099461-UN-16OCT08

HVAC Page

RXA0099873-UN-29JAN09

A - Fan Control Knob (ClimaTrak)

B - Temperature Control Knob (ClimaTrak)

C - Temperature Indicator Arrow

D - Fan Indicator Arrow

E - Temperature Control Knob (Standard)

F - Fan Control Knob (Standard)

CAUTION: Avoid possible injury. 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 cooling is intermittent:

• Clean grille, radiator, and refer to Cleaning Radiator, Coolers and Air Conditioning Condenser in this section.
• Inspect and clean cab air filters. Replace filters if required. Refer to Cleaning or Replacing Cab Air Filters in this section.
• For ClimaTrak™ turn temperature control button (A), operate engine at 2000 rpm and rotate fan control knob (B) clockwise to maximum HIGH position.
• For HVAC turn temperature control button (E), operate engine at 2000 rpm and rotate fan control knob (F) clockwise to maximum HIGH position.
• For ClimaTrak, temperature indicator arrow (C) will be all the way to the left.
• For ClimaTrak, fan indicator arrow (D) will be all the way to the right.

If problems persist, see your John Deere™ dealer.