mycom 220J Manuals

Manuals and User Guides for mycom 220J. We have 1 mycom 220J manual available for free PDF download: Instruction Manual

mycom 220J Instruction Manual (209 pages)

Screw Compressor

Brand: mycom | Category: Air Compressor | Size: 5 MB

Table of Contents
6
Safety
11
Observation/Prevention
11
Observance (Do's)
11
Do's on Operation
11
Do's on Maintenance
11
Do's on Lockout/Tagout after Shutting off the Power
12
Do's about Personal Protective Gear
12
Do's about Handling of Hazardous and Toxic Substances
12
Do's about Handling Emergency Situation
12
Do's about Waste Oil, Fluid, and Materials
12
Other Do's
13
Prohibition (Don'ts)
13
Warnings
14
Types and Meanings of Warnings
14
Safety Labels
14
Residual Risks
17
Safety Devices
20
Emergency Stop Button
20
Compressor Protection Devices
21
Structure and Specifications of the Compressor
23
Features of the J-Series Screw Compressor
23
Model Designation of the Compressor
23
Compressor Specifications
24
Specifications
24
Operation Limits
27
Outer Dimensions
29
Structure of the Compressor
36
Sectional View
37
Mechanisms
46
Basics of the Screw Compressor
46
Suction Process
47
Compression Process
47
Discharge Process
47
Oil Flow
48
Capacity Control Characteristics
49
Variable VI Control
50
Internal Volume Ratio)
50
Reasons for Adjusting VI According to Operating Conditions
51
Details of Variable VI Mechanism
51
Automatic Variable VI Mode
51
Fixed VI Mode
52
Position Sensor
52
Solenoid Valve
53
220J-Series
53
Explosion Proof for 170J/220J-Series, also 280J-Series
55
Installation
56
Precautions for Installation
56
Installation Work
57
Unpacking
57
Storage
57
Transfer
57
Preparation for Installation
58
Installation
59
Piping
60
Equipment and Devices for Protection of the Compressor
61
Pressure Test (Leak Test)
62
Lubricant(Refrigerant Oil) Charge
62
Initial Charge of Lubricant
62
Additional Charge of Lubricant Procedure
63
Charging of Refrigerant
63
Check after Installation
63
Documents Related to Installation
64
Compressor and Package Operation
68
Adjustment before Test Operation
68
Adjustment of Unloader Slide Valve and Variable VI Slide Valve
68
Lubricant (Refrigerant Oil)
69
Precautions for Selecting the Lubricant
69
Recommended Lubricant
69
Change of Lubricant Brand
71
Precautions for Handling Lubricant
71
Precautions for Handling Polyalkylene Glycol (PAG)
71
Precautions for Handling Polyolester (POE) Oil
72
Precautions for Operation
73
Prevention of Liquid Return (Liquid Backflow) Operation
73
Purging of Non-Condensable Gases
73
Action for Stopping the Compressor for Long Period of Time
74
Maintenance and Inspection
75
Precautions for Maintenance and Inspection
75
Maintenance List
76
Daily Management
76
Periodical Inspection
79
Guidelines for Compressor Overhaul Frequency
80
Replacement Parts of the Compressor in Overhauling
81
Management of Lubricant
92
Lubricant Management Standard
92
Replacement Interval for Lubricant
93
First System Startup
93
During Normal Operation
93
Disassembly and Assembly of the Compressor
94
Tools for Disassembly and Work Place
94
Replacement Parts
94
Recovering the Refrigerant
94
Removing the Compressor
95
Removing Oil from Inside the Compressor
96
Common Work Items
97
Position Sensor
99
Common Precautions for Removal/Installation
100
Precautions for Removal
100
Precautions for Installation
100
Seal Cover
101
Common Precautions for Removal/Installation
103
Precautions for Removal
103
Precautions for Installation
104
Bearing Cover
105
Common Precautions for Removal/Installation
106
Precautions for Removal
106
Precautions for Installation
107
Unloader Indicator/Capacity Control Solenoid Valve
108
Precautions for Removal
109
Precautions for Installation
109
Unloader Cover
110
Common Precautions for Removal/Installation
112
Precautions for Removal
112
Precautions for Installation
113
Unloader Cylinder
116
Common Precautions for Removal/Installation
117
Precautions for Removal
117
Precautions for Installation
118
Cylinder
119
Common Precautions for Removal/Installation
121
Precautions for Removal
121
Precautions for Installation
121
Balance Piston Cover
122
Common Precautions for Removal/Installation
123
Precautions for Removal
123
Precautions for Installation
123
Suction Cover
124
Common Precautions for Removal/Installation
126
Preparation for Suction Adapter Removal
126
Precautions for Removal
126
Precautions for Installation
127
Thrust Bearings
128
Precautions for Removal
130
Precautions for Installation
130
Separation of Suction Cover and Main Rotor Casing
132
Common Precautions for Removal/Installation
133
Precautions for Removal
133
Precautions for Installation
133
Suction Cover
133
Common Precautions for Removal/Installation
134
Precautions for Removal
135
Precautions for Installation
135
Rotors
136
Common Precautions for Removal/Installation
137
Precautions for Removal
137
Precautions for Installation
138
Separation of Bearing Head and Main Rotor Casing
139
Precautions for Removal
140
Lifting of Bearing Head
140
Lifting of Main Rotor Casing
140
Precautions for Installation
140
Bearing Head
141
Common Precautions for Removal/Installation
141
Precautions for Removal
142
Precautions for Installation
142
Suction Adapter (Except for 280J)
143
Common Precautions for Removal/Installation
144
Precautions for Removal
145
Precautions for Installation
145
Unloader Slide Valve Guide
146
Adjustment of End Clearance
147
Inspection for Runout Male Rotor Shaft
149
Inspection for Runout of Seal Cover Mount Face (Bearing Cover)
149
Troubleshooting
150
Related Documents
161
Development View and Configuration Table of the Parts
161
List of Tightening Torques for Bolts and Nuts
183
List of Tools for Disassembly
187
Design Modification Notification (Follow-Up)
188
Appendix 1
193
Tips for Design, Manufacturing, and Installation of the Compressor Package
193
Appendix 1.1 Precautions for Design of the Compressor Package
193
Appendix 1.2 Tips for Compressor Package Manufacturing
198
Appendix 1.3 Tips for Compressor Package Installation
198
Contact Information
200

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