CABIN
L3540-II, L4240-II, L5040-II, L5240-II, L5740-II , WSM
10-S19
(3) Charging the Refrigerant
Charging an Empty System (Liquid)
This procedure is for charging an empty system through the HI
pressure side with the refrigerant in the liquid state.
• Never run the engine when charging the system through
the HI pressure side.
• Do not open the LO pressure valve when refrigerant R134a
is being charged in the liquid state (refrigerant container is
set upside-down).
• After charging the refrigerant in the liquid state with
approx. 500 g (1.1 lbs) through the HI pressure side, be sure
to recharge the refrigerant in the vapor state to specified
amount through the LO pressure side.
1. Close the HI and LO pressure side valves (1) and (2) of manifold
gauge after the system is evacuated completely.
2. Connect the center charging hose (green) (5) to the can tap
valve (3) fitting, and then loosen the center charging hose
(green) (5) at the center fitting of manifold gauge until hiss can
be heard.
Allow the air to escape for few seconds and tighten the nut.
3. Open the HI pressure side valve (2) fully, and keep the
container upside-down to charge the refrigerant in the liquid
state from the HI pressure side.
4. Charge the refrigerant in the liquid state with approx. 500 g
(1.1 lbs) from the HI pressure side.
• If LO pressure gauge does not show a reading, the system
is clogged and must be repaired.
5. Close the HI pressure side valve (2) of manifold gauge and can
tap valve of refrigerant container.
9Y1211167CAS0030US0
(1) LO Pressure Side Valve
(2) HI Pressure Side Valve
(3) Can Tap Valve
(4) Refrigerant Container (R134a)
(5) Charging Hose (Green)
(6) Charging Hose (Red)
(7) Charging Hose (Blue)
(A) Refrigerant Container "Upside"
(B) Refrigerant Container "Down
Side"
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