2202MYJE-MY-C8-N_2018.02.
Chapter 5 Maintenance and Inspection
Compound 2-stage Screw Compressor 3225**C 5.4 Disassembly and Inspection
5-17
Photo 007: Removing High-Stage Indicator
Cover
Photo 008: Loosening High-stage
Micro-switch Cam Fixing Screw
■ For Further Disassembly (In case of Removing as Unloader Indicator Assembly)
As the indicator is an assembly to be removed as a whole, no further disassembly should be made
unless the purpose of the disassembly is to disassemble this part.
○ High and Low-stages
a) As a result of the previous disassembly process, the micro-switch mounting plate [121], which is
mounting the potentiometer, micro-switch, and micro-switch cam, can be removed.
b) Unscrew and remove the hexagon socket head cap screws [122].
c) Loosen the set screw [128] of the micro-switch cam.
d) After that, the assembly can be removed by pulling it in the axial direction.
Photo 009: Loosening high-stage micro-switch
base plate fixing bolt
Photo 010: Removing the high-stage indicator
block
5.4.1.2 Inspection
The inspection procedure is described in the "Reassembly" section of this chapter, as it is often the
case that the unloader indicator block is removed as an assembly and later inspected and adjusted
after the overhauled compressor is reassembled and installed on the mounting base. For details, refer
to Section 5.5.15 "Unloader Indicator" in this chapter.
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