MARUTI SUZUKI Zen Estilo 2018, Manual

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7B-2 AIR CONDITIONING SYSTEM
General Descriptions
Refrigerant Line
•
Never use heat for bending pipes. When bending a pipe , try to make its bending angle as smooth as possible.
•
Keep internal parts of air conditioning free from moistu re and dirt. When disconnecting any line from system,
install a blind plug or cap to the fitting immediately.
•
When connecting hoses and pipes, apply a few drops of compressor oil (refrigerant oil) to O-ring.
•
When tightening or loosening a fitting, use two wrenches, one for turning and the other for support.
•
Route drain hose so that drained water does not make any contact to vehicle components.
•
If pipes or hoses are replaced, replenish specified amount of compressor oil to compressor suction side referring
to “Replenishing Compressor Oil” in “Operation Procedure for Refrigerant Charge: Manual Type”.
Refrigerant Recovery
When discharging refrigerant out of A/C system, always recover it by using refrigerant recovery and recycling
equipment because discharging refrigerant HFC-134a (R-134a) into atmosphere would cause adverse effect to
environments.
Refrigerant Charge
After performing compressor oil replenishment and evacuation, charge a proper amount of refrigerant to A/C
system referring to “Charge” in “Operation Procedure for Refrigerant Charge: Manual Type”.
1. Suction hose 4. Expansion valve
:Apply compressor oil (refrigenrant oil) to O-ring.
2. Discharge hose 5. A/C refrigerant pressure switch
:Apply compressor oil (refrigenrant oil) to O-ring.
3. Liquid pipe
:Apply compressor oil (refrigenrant oil) to O-ring
:Apply compressor oil (refrigenrant oil) to O-ring.
:Apply compressor oil (refrigenrant oil) to O-ring.