Chery B11. Manual — part 129

Chery B11 Service Manual

Air Conditioner-39

10. Remove the radiator and fan, and, after this, then detach the condenser.

Install the condenser

Install the condenser in the reserve order of removal. And vacuumize the system, keep the

pressure, charge the refrigerant, and check the leakage.

Chery B11 Service Manual

Air Conditioner-40

Section 19 Drying Bottle

On-Vehicle Check

Check the airtightness of the connecting pieces

Apply an electronic leakage detector or other methods to check the airtightness of the connecting

pieces.

If the leaking phenomenon occurs, check the tightening torque of any joints

Disassemble the drying bottle

Tools required:

10cm wrench, and 7cm wrench.

1. Enable the engine to operate at idle speed, and the air conditioner to operate more than 10

min.

2. Shut down the engine.

3. Apply the recycling receiver to recycle the refrigerant of system.

4. Loosen the fixing bolts of two high-pressure pipes on the drying bottle, and detach the

high-pressure pipes.

5. Loosen the two bolts on the drying bottle, and remove the drying bottle.

Chery B11 Service Manual

Air Conditioner-41

Install the drying bottle

Install the drying bottle in the reverse order of removal. And vacuumize the system, keep the

pressure, charge the refrigerant, and check the leakage.

Chery B11 Service Manual

Air Conditioner-42

Section 20 Expansion Valve

On-Vehicle Check

1. Check the air flow during the course of refrigeration cycle.

2. Install the manifold pressure gauge.

3. Enable the engine to operate.

Enable the engine to operate at least 5 min at the speed of 2000 rpm, and then check the

reading of high-pressure gauge which shall reach 1,275 to 1,471 KPa.

4. Check the expansion valve.

If the expansion valve failure, the reading of low pressure will drop down to 0 KPa.

Hint: When the reading of low pressure drops down to 0 KPa, touch the inlet/outlet ends of the

drying bottle by your hands, which shall have no temperature difference.

Disassemble the expansion valve

Tools required:

10cm socket, connecting rod, 13cm socket, 6cm inner-hexagon spanner, universal joint, A/C

recycling receiver, and speeder wrench.

1. Enable the engine to operate at idle speed, and the air conditioner to operate more than 10

min.

2. Shut down the engine.

3. Apply the recycling receiver to recycle the refrigerant of system.

4. Loosen the hexagon socket head cap screws on the low-pressure pipe.