|
Blower not keeping dust out of operator enclosure
|
Defective seal around filter element
|
Check seal condition
Check filter for correct installation
|
|
|
Defective filter
|
Replace filter
|
|
|
Excessive air leak
|
Seal air leaks
|
|
|
Blower air flow too low
|
See Blower Air Flow Too Low
|
|
Blower air flow too low
|
Clogged filter or air intake screen
|
Clean
|
|
|
Heater core or evaporator core clogged
|
Clean
|
|
Heater will not shut off
|
Heater hoses connected incorrectly
|
See your John Deere Dealer
|
|
Cab pressure indicator in red zone (cabs equipped with ULTRAGARD filters)
|
Blower switch off
|
Turn switch on
|
|
|
Blower speed too low
|
Use higher blower speed
|
|
|
Door or window not latched
|
Latch door or window
|
|
|
Restricted fresh air filter
|
Clean or replace filter
|
|
|
Damaged door or window seal
|
Replace damaged seals
|
|
|
Loss of seal around evaporator housing, hoses, refrigerant lines, control linkage, wires, etc.
|
Seal any openings
|
| Symptom |
Problem |
Solution |
|
Air conditioner not cooling
|
Low voltage
|
Check charging circuit. (See Servicing Air Conditioner in Service Section)
|
|
|
Low refrigerant
|
Check sight glass. (See Servicing Air Conditioner in Service Section)
|
|
|
Belt slipping
|
Check belt tension
|
|
|
Heater turned on
|
Turn heater off
|
|
|
Compressor stuck
|
Rock compressor pulley back and forth
|
|
Intermittent coolant
|
Air restriction
|
Clean side screens, radiator and oil cooler condenser. (See Servicing Air Conditioner in Service Section.)
|
|
Water leaking from under seat
|
Plugged air conditioning condensate drain hoses
|
Clean drain hoses
|
|
|
Heater hoses leaking
|
Replace heater hoses
|
|
Seat suspension sticking
|
Foreign objects under seat
|
Keep area under seat completely clear
|
|
Seat suspension not working
|
Blown fuse
|
Replace fuse
|
|
Radio does not function
|
Blown fuse
|
Replace fuse
|