Inspection For Condenser Assembly With Reservoir; On-Vehicle Check; Disassembly And Assembly From Vehicle - Lifan 620 Maintenance Manual

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Put the metal part of engine overheating protection switch into engine oil, heat with gas stove until
reaching standard temperature, check whether switch terminals are on, as shown in Figure 6-34.
Figure 6-34
Compressor overheating protection switch
On: Lower than 105℃
Off: Higher than 130 ℃ in OFF mode, the lowest temperature is 125 ) ( ℃
Note: When heating, temperature should not exceed necessary temperature.
VI. Inspection for condenser assembly with reservoir

1. On-vehicle check

(1) Check condenser assembly
1) Check whether the condenser thermal sink surface is dirty. If it is dirty, brush it with banister
brush. Do not wash with water-cannon in order to avoid possible damage to the thermal sink. Note:
Do not damage condenser assembly thermal sink.
2) For bend of condenser thermal sink, make it straight with screwdriver or pliers.
(2) Check the leak of condenser refrigerant
1) Check gas leak at pipeline joint with halide leak detector.
2) If gas leak exists at the joint, check tightening torque of the joint.

2. Disassembly and assembly from vehicle

(1) For details of water tank removal, please refer to the removal of water tank.
(2) Disconnect 2 pipelines connecting condenser, remove 2 screws from the upper part of
condenser, and take out condenser.
(3) Coat sufficient compressor oil to the interfaces of cover and O-shape ring. Compressor oil:
PAG56
(4) Install the cover and filter to condenser assembly with 10mm hex wrench tightening torque:
12N·m
(5) Install the condenser assembly with reservoir
(6) Install air conditioner pipeline assembly
1) Open the upper pipeline plug of the pipeline, connect every parts of condenser assembly;
2) Install a new O-ring seal at pipeline joint and coat sufficient compressor oil on the joint;
compressor oil: PAG56
3) Apply bolts to connect air conditioner pipeline assembly and the condenser assembly with
reservoir; note: tighten according to torque requirement.
4) Inject refrigerant. Specified quantity: 500g
5) Engine warm up
6) Check the existence of refrigerant leak
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