Buhler 2425 - Manual (Page 326)

SECTION 4 - TROUBLESHOOTING
4-12
CAB
PROBLEM POSSIBLE CAUSE CORRECTION
Dust enters the cab Improper seal around filter
element.
Plugged filter.
Defective filter.
Excessive air leak(s) in cab floor,
windows, or door.
Check seal condition.
Clean or replace filter.
Replace filter.
Seal air leak(s).
Pressurizer air flow low Plugged filter.
Heater core or evaporator core
plugged.
Clean or replace filter.
Contact Buhler Versatile dealer.
Cab windows fog up Excessive moisture in cab air
system.
Position air vents toward
windows.
Use air-conditioner system and
recirculation control along with the
heating system to dehumidify cab
air.
Check air-conditioner drain hoses
for restriction.
Heating system does not
heat
Defective engine thermostats.
Heater core plugged.
Heater valve shut off at engine.
Contact Buhler Versatile dealer.
Contact Buhler Versatile dealer.
Turn on heater valve at engine
and adjust temperature control
knob to the heat position.
Air-conditioner does not
cool
Condenser plugged.
Low refrigerant.
Compressor belt slipping or
damaged.
Heater control turned on.
Clean radiator, oil cooler, and
condenser.
Check sight glass for bubbles.
Contact your Buhler Versatile
dealer.
Check belt tension and belt
condition.
Turn temperature control knob
fully counterclockwise for
maximum cooling. Shut off heater
hose valve at engine.