mycom 4032LMC Compound Screw Compressor Manuals

Manuals and User Guides for mycom 4032LMC Compound Screw Compressor. We have 1 mycom 4032LMC Compound Screw Compressor manual available for free PDF download: Instruction Manual

mycom 4032LMC Instruction Manual

mycom 4032LMC Instruction Manual (128 pages)

Compound 2-stage Screw Compressor

Brand: mycom | Category: Air Compressor | Size: 9 MB

Table of Contents

Table of Contents
6
Chapter 1 Safety

11
Chapter 2 Compressor Specifications and Structure

19
- Overview of 4032**C
  
  19
- Model Designation of the Compressor
  
  19
- Compressor Specifications
  
  20
  - Specifications
    20
  - Operation Limits
    21
  - Outer Dimensions
    22
- Compressor Structure
  
  26
  - Mechanisms
    27
    
    Basics of the Screw Compressor
    27
    
    Suction Process
    27
    
    About Volume Ratio (VI)
    28
    
    Compression Process
    28
    
    Discharge Process
    28
    
    Bearing and Balance Piston
    30
    
    Capacity Control Mechanism
    30
    
    Shaft Seal
    30
  - Gas and Oil Flow
    31
Chapter 3 Installation

33
- General Precautions for Installation
  33
- Installation Works
  33
  - Unpacking
    33
  - Storage
    33
  - Transportation
    33
  - Preparation for Installation
    36
  - Installation
    37
    
    Shaft Alignment between the Compressor and Driving Machine
    37
    
    Equipment and Devices for Protection of the Compressor
    38
    
    Piping Connection
    38
    
    Additional Charge of Lubricating Oil
    39
    
    Airtightness Test
    39
    
    Charge of Refrigerant
    39
    
    Check after Installation
    39
    
    Initial Charge of Lubricating Oil
    39
    
    Lubricating Oil Charge
    39
Chapter 4 Compressor and Package Unit Operation

40
- Lubricating Oil (Refrigerant Oil)
  40
Chapter 5 Maintenance and Inspection

46
- Precautions for Maintenance and Inspection
  46
- Maintenance and Inspection List
  48
  - Daily Management
    48
  - Periodic Inspection
    50
  - Guidelines for the Timing of Compressor Overhaul
    51
  - Compressor Disassembly Preparation
    52
    
    Disassembly Tools and Workplace
    52
    
    Replacement Parts
    52
    
    Refrigerant Gas Recovery
    55
    
    Removal of Connections to the Package Unit
    56
    
    Removal and Lifting the Compressor
    57
  - Disassembly and Inspection
    58
    
    Unloader Indicator
    59
    
    Disassembly
    60
    
    Inspection
    60
    
    Disassembly
    61
    
    Unloader Cover
    61
    
    Inspection
    62
    
    Disassembly
    63
    
    Unloader Piston and Unloader Cylinder
    63
    
    Inspection
    64
    
    Disassembly
    65
    
    Inspection
    65
    
    Shaft Seal Block
    65
    
    Bearing Cover
    66
    
    Disassembly
    66
    
    Disassembly
    67
    
    Gear Coupling
    67
    
    Inspection
    67
    
    Separating High-Stage and Low-Stage Blocks
    67
    
    Balance Piston
    68
    
    Disassembly
    68
    
    Inspection
    68
    
    Disassembly
    69
    
    Low-Stage Suction Cover and Side Bearings
    69
    
    Inspection
    70
    
    Disassembly
    71
    
    High-Stage Suction Cover and Side Bearings
    71
    
    Inspection
    71
    
    Disassembly of the High-Stage Thrust Bearing Block
    72
    
    Thrust Bearing Block
    72
    
    Disassembly of the Low-Stage Thrust Bearing Block
    73
    
    Inspection
    73
    
    Disassembly
    75
    
    Inspection
    75
    
    Rotors and Main Rotor Casing (Low-Stage/High-Stage)
    75
    
    Disassembly
    76
    
    High-Stage Bearing Head and Main Bearings
    76
    
    Inspection
    76
    
    Disassembly
    77
    
    Inspection
    77
    
    Low-Stage Bearing Head and Main Bearings
    77
  - Reassembly
    78
    
    Unloader Slide Valve
    80
    
    Bearing Head and Main Bearings
    81
    
    Bearing Head and Rotor Casing
    82
    
    Installing the Rotors
    84
    
    Suction Cover and Side Bearings
    85
    
    Installing the Suction Cover
    86
    
    Balance Piston and Balance Piston Sleeve
    87
    
    Thrust Bearing Block
    88
    
    High-Stage Block
    89
    
    Low-Stage Block
    90
    
    End Clearance Measurement
    91
    
    End Clearance Adjustment Procedure
    92
    
    Tightening after Finishing the End Clearance Adjustment
    92
    
    Balance Piston Cover and High-Stage Unloader Cylinder
    93
    
    Bearing Cover
    94
    
    Shaft Seal Block
    94
    
    Low-Stage Unloader Cylinder
    95
    
    Unloader Cover
    96
    
    Coupling the High-Stage and Low-Stage Blocks
    97
    
    Potentiometer
    98
    
    Unloader Indicator
    98
    
    Micro-Switches and Micro-Switch Cam
    99
    
    Reassembly
    99
Chapter 6 Troubleshooting

101
Chapter 7 Related Documents

112
- Exploded Views, Assembly Sectional Views
  
  112
- Parts Configuration Table
  
  117
- Tightening Torques for Bolts and Nuts
  
  124
- About the O-Rings Used
  
  126
  - List of O-Rings Used
    126
  - O-Ring Materials Used for Screw Compressor
    126
- Tools for Disassembly
  
  127

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