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3-Handling instructions
Oil return operation
Compressor oil mixed with refrigerant is circulating
in the air conditioning system.
Perform the oil return operation to return this oil to
the compressor before removing components from
the system.
1. Open the doors and windows and operate the
blower motor at maximum speed.
2. Operate the vehicle engine at idling during at
least 20 minutes.
Note: The maximum amount of oil cannot be
recovered at higher speeds. This operation also
requires a warm ambient temperature.
Oil handling
Oil specification
Use only ZXL 100PG PAG (DH-PS).
Oil quantity inspection
There is no particular need for frequent inspection or
replacement, although it is recommended to check
operating refrigerent pressures and oil levels at the
start of the season.
Please replace the refrigerant and restore the system
oil and refrigerant charge to factory specifications if:
• the AC system is opened for repair or replacement
of any component (e.g.: evaporator, condenser
or receiver drier)
• any loss of charge - refrigerant or oil - is detected.
Handling precautions
1. The oil must be free from dust, metal filings, etc.
2. Do not mix oils.
3. The moisture content must not exceed 1,000
ppm. (PAG oil only)
4. The oil easily absorbs moisture when the
container is open. Therefore always seal the
container immediately after use. (PAG oil only)
Do not mix with other oils
Cap the container immediately
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