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78
REGULAR CHECKS AND MAINTENANCE WORK
A shortage of refrigerant reduces the air-conditioner
performance. Check the following points. If it is indicated
that the amount of refrigerant is extremely low, ask your
dealer to inspect and charge.
C Checking procedure
1. Run the air-conditioner in the following conditions.
A Engine speed:
A Temperature control lever: Maximum cooling
A Fan switch:
A Air-conditioner switch:
2. Look into the sight glass to see if the refrigerant is
flowing through its circuit.
(1) Sight glass
A Charge only with R134a not R12 refrigerant (gas).
About 1500 rpm
position (rightmost)
Highest blow (3)
ON
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