4 Units Description 
4-13
4.3.3.1  Reagent Refrigerating Assembly 
Figure 4-12    Reagent Refrigerating Assembly 
 
Figure 4-13 Refrigeration Components   
 
 
 
The main components of reagent refrigerating assembly that need to be maintained 
include refrigerating plate, temperature switch  and condensing  tube connector. The 
steps of discounting are shown as follows. 
1.  Remove the refrigeration compartment assembly which is fixed to air duct by loosening 
four M4x8 hexagon socket head screws. 
2.  Remove the water-proof glue in the circumference of condensing tube connector and 
four  M3x12  cross  pan head  screws.  After replacing  the  condensing  tube  connector,