ROPS CAB AND AIR CONDITIONER
General Maintenance
COMPRESSOR BELT - Check for proper tension after the first 20 hours of
operation and every 250 hours thereafter.
CAB AIR FILTERS - Check the filters at least every 50 hours of operation or
weekly, whichever comes first, for contamination. In very dusty conditions, it
may be necessary to check and clean filters more often.
NOTE: If during the days operation you notice restricted cab air flow when
operating in extremely dusty condition - slam the cab door several times - the
back pressures will force the dust out of the cab filter and help unrestrict the air
flow.
REFRIGERANT LEVEL - The refrigerant level should be checked at the begin-
ning of the summer cooling season and whenever you notice the air condition-
ing is not working.
HEADLINER - The foam headliner in your cab is a noise reducing material. To
function properly, periodically remove dust accumulation from the headliner
with a vacuum cleaner.
BLOWER - Clean dust accumulation off the motor and blowers. This will
permit the motor to run cooler and eliminate any unbalance in the blowers
which could cause rapid motor wear.
IMPORTANT: Do not oil the motor bearings, the motor is lubricated and
sealed for life. Oiling will cause dust to accumulate and can result in rapid
bearing wear.
IMPORTANT: If the machine is equipped with a heater as well as an air
conditioner, the cooling system must be protected with a permanent type anti-
freeze during the summer to 15
0
F (_9
0
C) or lower to prevent the heater core
from freezing.
DOOR HINGES - Use powdered graphite for lubricating hinges, since oil will
tend to collect dust.
HOSES AND WIRING - Occasionally check all hoses and wiring for field
damage, such as kinks, abrasions, breaks, or loss of refrigerant. If such should
happen, contact your Case Dealer for replacement of damaged parts or
refrigerant.
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