mycom 2016LMC

2200LZJE-HO-C6-N_2013.12.
Table of Contents
Compound 2-stage Screw Compressor 2016**C
viii
5.6.11 High-stage Suction Cover and Side Bearings ................................................... 5-30
5.6.11.1 Disassembly .............................................................................................. 5-30
5.6.11.2 Inspection .................................................................................................. 5-30
5.6.12 Pulling out High-stage Rotor .............................................................................. 5-31
5.6.12.1 Disassembly .............................................................................................. 5-31
5.6.12.2 Inspection .................................................................................................. 5-32
5.6.13 High-stage Bearing Head and Main Bearings ................................................... 5-33
5.6.13.1 Disassembly .............................................................................................. 5-33
5.6.13.2 Inspection .................................................................................................. 5-33
5.6.14 Low-stage Thrust Bearings ................................................................................ 5-34
5.6.14.1 Disassembly .............................................................................................. 5-34
5.6.14.2 Inspection .................................................................................................. 5-34
5.6.15 Low-stage Gear Coupling .................................................................................. 5-35
5.6.15.1 Disassembly .............................................................................................. 5-35
5.6.15.2 Inspection .................................................................................................. 5-35
5.6.16 Low-stage Suction Cover and Side Bearings .................................................... 5-36
5.6.16.1 Disassembly .............................................................................................. 5-36
5.6.16.2 Inspection .................................................................................................. 5-36
5.6.17 Low-stage Rotor and Rotor Casing ................................................................... 5-37
5.6.18 Low-stage Bearing Head and Main Bearings .................................................... 5-37
5.6.18.1 Disassembly .............................................................................................. 5-37
5.6.18.2 Inspection .................................................................................................. 5-37
5.6.19 Low-stage Unloader Slide Valve and Guide Block ............................................ 5-38
5.6.19.1 Disassembly .............................................................................................. 5-38
5.6.19.2 Inspection .................................................................................................. 5-38
5.7 Reassembly ................................................................................................ 5-39
5.7.1 Low-stage Unloader Slide Valve and Guide Block ............................................ 5-41
5.7.2 High-stage Rotor Casing ................................................................................... 5-41
5.7.3 Bearing Head and Main Bearings (High/Low-stage) ......................................... 5-42
5.7.4 Bearing Head and Rotor Casing (High/Low-stage) ........................................... 5-43
5.7.5 Attaching Rotors (High/Low-stage) .................................................................... 5-44
5.7.6 Suction Cover and Side Bearings (High/Low-stage) ......................................... 5-45
5.7.7 Thrust Bearings (High/Low-stage) ..................................................................... 5-48
5.7.7.1 End Clearance Measurement .................................................................... 5-49
5.7.7.2 Procedure for End Clearance Adjustment ................................................. 5-51
5.7.7.3 Tightening after End Clearance Adjustment .............................................. 5-52
5.7.8 Bearing Cover .................................................................................................... 5-52
5.7.9 Attaching High-stage and Low-stage ................................................................. 5-53
5.7.10 Balance Piston Cover and High-stage Unloader Cylinder ................................. 5-55
5.7.11 Low-stage Unloader Cylinder ............................................................................ 5-57
5.7.12 Mechanical Seal ................................................................................................ 5-59
5.7.13 Unloader Cylinder Cover ................................................................................... 5-62
5.7.14 Unloader Indicator ............................................................................................. 5-63
5.7.14.1 Micro-switch and Micro-switch Cam .......................................................... 5-63
5.7.14.2 Potentiometer ............................................................................................ 5-64