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SERVICE PROCEDURE
CHECK AIR CONDITIONER
CHECK LEVEL OF REFRIGERANT (GAS)
If the refrigerant of the conditioner system gets into your
eyes or on your hands, it may cause loss of sight or frost-
bite. Do not touch the refrigerant. Never loosen any part
of the refrigerant circuit.
Do not bring any flame close to any point where the refrig-
erant gas is leaking.
If there is a lack of refrigerant (gas), the cooling performance
will be poor. When operating the cooler at high speed with the
engine at full throttle, use the receiver sight glass (inspection
window) to check the condition of the refrigerant gas (Freon
R134a) flowing in the refrigerant circuit.
q No bubbles in refrigerant flow: Suitable
q Some bubbles in flow (bubbles pass continuously): Lack of
refrigerant
q Colorless, transparent: No refrigerant
REMARK
When there are bubbles, the refrigerant gas level is low, so contact your refrigerant dealer to have refrigerant
added. If the air conditioner is run with the refrigerant gas level low, it will cause damage to the compressor.
OPERATING THE AIR CONDITIONER OFF SEASON
Even during the off-season, operate the air conditioner for 3 - 5 minutes once a month to maintain the oil film at all
parts of the compressor.
4-34
WARNING
MAINTENANCE
4
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