Change..........................................................
- Reclaim HFC-134a (R134a)
(a) Turn A/C switch to ON.
(b) Keep the engine speed at 1000 rpm, and rotate cooling compressor for 5 to 6 minutes to make
refrigerant cycle, this could collect the Refrigerant oil in each part in cooling compressor as possible.
(c) Extinguish the engine.
(d) Drain the refrigerant.
- Fill refrigerant
(a) Use vacuum pump to take out vacuum.
(b) Fill the refrigerant HFC-134a (R134a)
Standard quantity: 660 ± 10g
- Heat the engine
- Check whether the refrigerant leaks.
Air conditioner--Refrigerant
221
Bubble
disappearing
point
Too much filling refrigerant
Increase 100g
Filling quantity of refrigerant
Pressure at
the high
pressure side
Refrigerant quantity
Auxiliary condenser system
Applicable
filling scope
