mycom i125S Screw Compressor Manuals

Manuals and User Guides for mycom i125S Screw Compressor. We have 2 mycom i125S Screw Compressor manuals available for free PDF download: Instruction Manual

mycom i125S Instruction Manual (121 pages)

i-series screw compressor

Brand: mycom | Category: Air Compressor | Size: 7 MB

Table of Contents
7
Safety
12
Strict Requirements and Prohibitions
12
Strict Requirements (Do's)
12
Do's on Operation
12
Do's on Maintenance
12
Do's on Lockout/Tagout after Shutting off the Power
13
Do's about Personal Protective Gear
13
Do's about the Handling of Hazardous and Toxic Substances
13
Do's about Handling Emergency Situations
13
Do's about Waste Oil, Fluid, and Materials
13
Other Do's
13
Prohibitions (Don'ts)
14
Warnings
14
Residual Risks
15
Safety Devices
17
Emergency Stop Button
17
Circuit Breakers of Motor Main Power and Control Power (with Lockout/Tagout Mechanism)
17
Compressor Protective Devices
18
Chapter 2 Compressor Specifications and Configuration
19
Features of I-Series Compressor
19
Model Designation of the Compressor
19
Compressor Specifications
20
Standard Specifications
20
Operation Limits
21
Alarm Set Values
22
Outer Dimensions
23
Configuration of Compressor
36
Sectional Views
36
Exploded Views
42
Parts Configuration Table
44
Mechanisms
51
Basics of the Screw Compressor
51
Suction Process
51
Compression Process
52
Discharge Process
52
About Volume Ratio (VI)
52
Capacity Control Mechanism
54
Chapter 3 Installation
56
General Precautions for Installation
56
Installation Works
56
Unpacking
56
Storage
56
Transportation
56
Preparation for Installation
58
Installation
58
Piping Connection
58
Equipment and Devices for Protection of the Compressor
59
Airtightness Test
59
Lubricating Oil Charge
59
Initial Charge of Lubricating OIL
60
Additional Charge of Lubricating Oil
60
Charge of Refrigerant
60
Check after Installation
60
Chapter 4 Compressor and Package Unit Operation
61
Lubricating Oil (Refrigerant Oil)
61
Precautions for Selecting the Lubricating Oil
61
Recommended Lubricating Oils
62
Recommended Lubricating Oils for Ammonia Refrigerant
62
Oils for Systems Using Hydrofluorocarbon (HFC) Refrigerants
63
Change of Lubricating Oil Brand
63
Precautions for Handling Lubricating Oil
64
Lubricating Oil Management Criteria
64
Lubricating Oil Replacement Timing
65
After Starting the Initial Operation
65
During Normal Operation
65
Precautions for Operation
66
Prevention of Liquid Flow-Back
66
Purging of Non-Condensable Gases
66
When Stopping the Compressor for a Long Time
67
Chapter 5 Maintenance and Inspection
68
Precautions for Maintenance and Inspection
68
Maintenance and Inspection List
70
Daily Management
70
Periodic Inspection
72
Guidelines for Compressor Overhaul Interval
73
Compressor Disassembly Preparation
74
Disassembly Tools and Work Place
74
Replacement Parts
75
Refrigerant Gas Treatment
77
Valves Used
77
Refrigerant Gas Recovery
77
Removing Parts Connected to the Unit
78
Removing and Lifting the Compressor
78
Removing Oil from Compressor
78
Disassembly and Inspection
79
Shaft Seal Block
79
Disassembly
79
Inspection
80
Bearing Cover
81
Disassembly
81
Inspection
81
Balance Piston
82
Disassembly
82
Inspection
82
End Cover
82
Thrust Bearing Block
83
Disassembly
83
Inspection
83
Bearing Head
84
Disassembly
84
Inspection
84
Rotors
84
Radial Bearings
85
Disassembly
85
Inspection
85
Suction Strainer and Check Valve
85
Disassembly (I125*)
85
Disassembly (I160*)
85
Inspection
86
Unloader
86
Disassembly
86
Reassembly
87
Unloader
88
Rotor and Inner Race of Radial Bearing
88
Bearing Head
89
Outer Race of Radial Bearing
89
I125
90
Adjustment of Thrust Bearing and End Clearance
91
End Clearance Measurement
93
End Clearance Adjustment
94
Tightening after End Clearance Adjustment
94
Balance Piston
95
Bearing Cover
95
Shaft Seal Block
96
End Cover
98
Chapter 6 Troubleshooting
99
01: Compressor Does Not Start up
99
02: Compressor Stops Immediately after Startup
100
Low Oil Pressure (Low Oil Supply Pressure)
100
Abnormally High Pressure (Abnormal Discharge Pressure)
101
Discharge Temperature Is Abnormally High
102
09: Capacity Control Malfunction
104
Squeaking Sound from Mechanical Seal
104
Chapter 7 Related Documents
108
Tightening Angles for Lock Nuts
108
Disassembly Tools
109
Flange Motor and Connection Flange Size
110
Basic Flow of the Package Unit
112
Basic Flow of the Oil Cooler
113
Oil Temperature Control
114
Economizer
114
Oil Separator
115
Protection Devices
115
Power Supply and Control Devices
116
Preface
118
Reference Flow and Configuration Components for Multi-Package
118
Oil Separator
119
Pressure Regulator for Differential Oil Supply Pressure
119
Oil Cooler
119
Oil Filter and Oil Line
119
Stop Valves and Safety Valves
119
Economizer
120
Protection Devices and Control Devicess
120

mycom i125S Instruction Manual (108 pages)

Screw Compressor

Brand: mycom | Category: Compressor | Size: 3 MB

Table of Contents
7
Chapter 1 Safety

11
- Observation/Prevention (Dos and Don'ts)
  
  11
  - Dos
    11
    
    Dos on Operation
    11
    
    Dos on Maintenance
    11
    
    Dos on Lockout/Tagout after Shutting off the Power
    12
    
    Dos about Personal Protective Gear
    12
    
    Dos about Handling of Hazardous and Toxic Substances
    12
    
    Dos about Handling Emergency Situations
    12
    
    Dos about Waste Oil, Fluid, and Materials
    12
    
    Other Dos
    12
  - Don'ts
    13
- Warnings
  
  13
  - Types and Meanings of Warnings
    13
- Residual Risks
  
  14
- Safety Devices
  
  16
  - Emergency Stop Button
    16
    
    (With Lockout/Tagout Mechanism)
    16
- Compressor Protective Devices
  
  17
Chapter 2 Configuration and Specification of Compressor

18
- Features of I-Series Compressor
  
  18
- Model Designation of the Compressor
  
  18
- Compressor Specifications
  
  19
  - Specifications
    19
  - Operation Limits
    20
  - Alarm Set Values
    21
  - Outer Dimensions
    22
- Configuration of Compressor
  
  27
  - Sectional View
    27
  - Development View of Parts
    33
  - Parts Configuration Table
    35
- Mechanisms
  
  41
  - Basics of the Screw Compressor
    41
  - Suction Process
    41
  - Compression Process
    42
  - Discharge Process
    42
  - About Volume Ratio (VI)
    42
Chapter 3 Installation

44
- General Precautions for Installation
  
  44
- Installation Works
  
  44
  - Unpacking
    44
  - Storage
    44
  - Transfer
    44
  - Preparation for Installation
    46
  - Installation
    46
    
    Piping Connection
    46
    
    Equipment and Devices for Protection of the Compressor
    46
  - Airtightness Test
    47
  - Lubricant Charge
    47
    
    Initial Charge of Lubricant
    47
    
    Additional Charge of Lubricant
    48
  - Charge of Refrigerant
    48
  - Check after Installation
    48
Chapter 4 Operation of Compressor and Unit

49
- Lubricant (Refrigerant Oil)
  
  49
- Precautions for Operation
  
  52
Chapter 5 Maintenance and Inspection

54
- Precautions for Maintenance and Inspection
  
  54
- Maintenance and Inspection List
  
  55
  - Daily Management
    55
  - Periodical Inspection
    57
- Management of Lubricant
  
  59
  - Lubricant Management Criteria
    59
- Compressor Disassembly Preparation
  
  60
  - Tools for Disassembly
    60
  - Replacement Parts
    61
  - Refrigerant Gas Treatment
    63
    
    Valves Used
    63
    
    Refrigerant Gas Recovery
    63
  - Removing Parts Connected to the Unit
    64
  - Removing and Lifting the Compressor
    64
  - Removing Oil from Compressor
    64
- Disassembly and Inspection
  
  65
  - Mechanical Seal
    65
    
    Disassembly
    65
    
    Inspection
    66
  - Bearing Cover
    67
    
    Disassembly
    67
    
    Inspection
    67
  - Balance Piston
    68
    
    Disassembly
    68
    
    Inspection
    68
  - End Cover
    68
  - Thrust Bearings
    69
    
    Disassembly
    69
    
    Inspection
    69
  - Bearing Head
    70
    
    Disassembly
    70
    
    Inspection
    70
  - Rotors
    70
  - Radial Bearing
    71
    
    Disassembly
    71
    
    Inspection
    71
  - Suction Strainer and Check Valve
    71
    
    Disassembly (I125)
    71
    
    Disassembly (I160)
    71
    
    Inspection
    72
  - Unloader
    72
    
    Disassembly
    72
- Reassembly
  
  73
  - Unloader
    74
  - Rotor and Inner Ring of Radial Bearing
    74
  - Bearing Head
    75
  - Outer Ring of Radial Bearing
    75
  - Suction Strainer and Check Valve
    76
    
    I125 Series
    76
    
    I160 Series
    76
  - Adjustment of Thrust Bearing and End Clearance
    77
    
    End Clearance Measurement
    79
    
    End Clearance Adjustment
    80
    
    Tightening after End Clearance Adjustment
    80
  - Balance Piston
    81
  - Bearing Cover
    81
  - Mechanical Seal
    82
  - End Cover
    84
Chapter 6 Troubleshooting

85
Chapter 7 Related Documents

94
- Tightening Angles for Lock Nuts
  
  94
- List of Tools for Disassembly of I-Series
  
  95

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mycom i125S Screw Compressor Manuals

mycom i125S Instruction Manual (121 pages)

Table of Contents

mycom i125S Instruction Manual (108 pages)

Table of Contents

Chapter 1 Safety

Observation/Prevention (Dos and Don'ts)

Warnings

Residual Risks

Safety Devices

Compressor Protective Devices

Chapter 2 Configuration and Specification of Compressor

Features of I-Series Compressor

Model Designation of the Compressor

Compressor Specifications

Configuration of Compressor

Mechanisms

Chapter 3 Installation

General Precautions for Installation

Installation Works

Chapter 4 Operation of Compressor and Unit

Lubricant (Refrigerant Oil)

Precautions for Operation

Chapter 5 Maintenance and Inspection

Precautions for Maintenance and Inspection

Maintenance and Inspection List

Management of Lubricant

Compressor Disassembly Preparation

Disassembly and Inspection

Reassembly

Chapter 6 Troubleshooting

Chapter 7 Related Documents

Tightening Angles for Lock Nuts

List of Tools for Disassembly of I-Series

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