2205Q2JE-HO-S6-N_2020.01.
Chapter 5 Maintenance and Inspection
SCV-series Screw Compressor 5.4 Disassembly and Inspection
5-20
Removing the Unloader Cover
Ball Bearing for the Indicator Cam
Indicator Cam Mounting Parts
V-ring (The black part is NBR/FKM)
5.4.3.2 Inspection
a) Check the packing of the indicator cam shaft for any flaw. If the refrigerant leaks without any flaw
observed in this part, it should be due to a defect of the V-ring or installing the V-ring without
sufficient oil.
In this case, replace the V-ring.
b) Check the spiral groove of the indicator cam. If an abnormal flaw or wear is observed, replace it with
a new one.
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