Buhler 2180 - Manual (Page 272)

SECTION 4 - TROUBLESHOOTING
4-10
CAB
PROBLEM POSSIBLE CAUSE CORRECTION
Dust enters the cab Improper seal around filter
element
Plugged filter
Defective filter
Excessive air leak(s)
Check seal condition
Clean or replace filter
Replace filter
Seal air leak(s)
Pressurizer air flow low Plugged filter or plugged
recirculation filter
Heater core or evaporator core
plugged
Clean or replace filter(s)
See your authorized dealer
Air conditioner does not cool Condenser plugged
Low refrigerant
Belt slipping or damaged
Heater control turned on
Clean radiator, oil cooler, and
condenser
Check sight glass for bubbles.
Contact your authorized dealer.
Check automatic belt tensioner
and belt condition
Turn temperature control knob fully
counterclockwise for maximum
cooling