Lifan 620. Manual - part 75

Clamp the two ends of M16’s pipe with 24mm and 27mm open end wrenches; clamp the two ends 
of M8’s pipe with 17mm and 19mm open end wrenches; then disassemble nuts and disconnect air 
conditioner pipeline assembly. 
(3) Remove clamp from air conditioner pipeline assembly. 
Disassemble the hoop of heater inlet and outlet pipes from the heater unit (as shown in Figure 
6-19). 
 

Figure 6-20 

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(11) Disassemble nuts in Figure 6-21. 
 

Figure 6-23 

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(14) Disassemble heater unit. 
1) Disassemble the inlet and outlet cover board of heater and lower air outlet of the CAB, as 
shown in Figure 6-24. 
 

Figure 6-25 

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(18) Disassemble evaporator temperature sensor. 
1) Take out the evaporator, as shown in Figure 6-26. 
2) Disassemble the evaporator temperature sensor from the plunger piston of the evaporator right 
housing. 

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