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mycom 2016LMC User Manual
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2200LZJE-HO-C6-N_2013.12.
Chapter 3 Installation
Compound 2-stage Sc
rew Compressor 2016**C
3.2 Installation Works
3-3
Outer Dimensions, Weight and Lif
ting Position
2016LLC
2016LMC
2016LSC
2016MSC
2016SSC
Weight (kg
)
1
180
1
140
1
100
1050
1000
L
(mm)
1980.5
1913.5
1842.5
1787.5
1730.5
Figure 3-1 Outer Dimensions, W
eight and Lif
ting Position of Co
mpressor
Photo 002 Lif
ting Position
34
36
Table of Contents
Default Chapter
6
Table of Contents
6
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
11
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
12
Warnings
13
Types and Meanings of Warnings
13
Residual Risks
14
Safety Devices
16
Emergency Stop Button
16
Breakers of Motor Main Power and Control Power (with Lockout/Tagout Mechanism)
16
Compressor Protective Devices
17
Chapter 2 Configuration and Specifications of Compressor
19
Features of the Compound 2-Stage Screw
19
Compressor 2016**C
19
Model Designation of the Compressor
19
Compressor Specifications
20
Specifications
20
Operation Limits
21
Configuration of Compressor
27
Sectional View
27
Mechanisms
28
Basics of the Screw Compressor
28
Suction Process
28
Compression Process
29
Discharge Process
29
About Volume Ratio (VI)
29
Capacity Control Mechanism
31
Bearing
31
Seal
31
Gas and Oil Flow
32
Chapter 3 Installation
33
General Precautions for Installation
33
Installation Works
33
Unpacking
33
Storage
33
Transfer
33
Preparation for Installation
36
Installation
37
Piping Connection
37
Equipment and Devices for Protection of the Compressor
37
Airtightness Test
38
Lubricant Charge
38
Initial Charge of Lubricant
38
Additional Charge of Lubricant
39
Charge of Refrigerant
39
Check after Installation
39
Chapter 4 Operation of Compressor and Unit
40
Lubricant (Refrigerant Oil)
40
Precautions for Selecting the Lubricant
40
Recommended Lubricants
40
Recommended Lubricants for Ammonia Refrigerant
40
Oils for Systems Using HFC Refrigerants
41
Change of Lubricant Brand
42
Precautions for Handling Lubricant
42
Precautions for Handling JOMO Freol PN46 (Ammonia-Inter-Soluble Oil)
43
Precautions for Operation
44
Prevention of Liquid Flow-Back
44
Purging of Non-Condensable Gases
44
Actions for Stopping the Compressor for Long Period of Time
45
Chapter 5 Maintenance
46
Precautions for Maintenance
46
Maintenance List
47
Daily Management
47
Periodical Inspection
49
Guidelines for Compressor Overhaul Frequency
50
Management of Lubricant
51
Lubricant Management Criteria
51
Lubricant Replacement Frequency
52
First System Startup
52
During Regular Operation
52
Compressor Disassembly Preparation
53
Tools for Disassembly and Work Place
54
Replacement Parts
54
Recovering the Refrigerant
54
Removing Parts Connected to the Unit
55
Removing and Lifting the Compressor
56
Removing Oil from Compressor
56
Disassembly Sequence
57
Overhaul
59
Mechanical Seal
60
Disassembly
60
Inspection
61
Unloader Indicator
63
Disassembly
63
Unloader Cylinder Cover
66
Disassembly
66
Inspection
67
Unloader Piston and Unloader Cylinder
67
Disassembly
67
Inspection
68
Bearing Cover
69
Disassembly
69
Separating High-Stage and Low-Stage
70
Disassembly
70
High-Stage Side Gear Coupling
70
Inspection
70
High-Stage Thrust Bearings
71
Disassembly
71
Inspection
72
Balance Piston Cover
73
Balance Piston
73
Disassembly
73
Inspection
74
High-Stage Suction Cover and Side Bearings
75
Disassembly
75
Inspection
75
Pulling out High-Stage Rotor
76
Disassembly
76
Inspection
77
High-Stage Bearing Head and Main Bearings
78
Disassembly
78
Inspection
78
Low-Stage Thrust Bearings
79
Disassembly
79
Inspection
79
Low-Stage Gear Coupling
80
Disassembly
80
Inspection
80
Low-Stage Suction Cover and Side Bearings
81
Disassembly
81
Inspection
81
Low-Stage Rotor and Rotor Casing
82
Low-Stage Bearing Head and Main Bearings
82
Disassembly
82
Inspection
82
Low-Stage Unloader Slide Valve and Guide Block
83
Disassembly
83
Inspection
83
Reassembly
84
Low-Stage Unloader Slide Valve and Guide Block
86
High-Stage Rotor Casing
86
Bearing Head and Main Bearings (High/Low-Stage)
87
Bearing Head and Rotor Casing (High/Low-Stage)
88
Attaching Rotors (High/Low-Stage)
89
Suction Cover and Side Bearings (High/Low-Stage)
90
Thrust Bearings (High/Low-Stage)
93
End Clearance Measurement
94
Procedure for End Clearance Adjustment
96
Tightening after End Clearance Adjustment
97
Bearing Cover
97
Attaching High-Stage and Low-Stage
98
Balance Piston Cover and High-Stage Unloader Cylinder
100
Low-Stage Unloader Cylinder
102
Mechanical Seal
104
Unloader Cylinder Cover
107
Unloader Indicator
108
Micro-Switch and Micro-Switch Cam
108
Potentiometer
109
Chapter 7 Related Documents
123
Chapter 6 Troubleshooting
123
Development Views, Assembly Sectional Views
123
2016C Development View (Low-Stage Side)
123
2016C Development View (High-Stage Side)
124
2016LLC Assembly Sectional View (Vertical)
125
2016LLC Assembly Sectional View (Horizontal)
126
2016LMC Assembly Sectional View (Vertical)
127
2016LMC Assembly Sectional View (Horizontal)
128
2016LSC Assembly Sectional View (Vertical)
129
2016LSC Assembly Sectional View (Horizontal)
130
2016MSC Assembly Sectional View (Vertical)
131
Parts Configuration Table
135
Tightening Torques for Bolts and Nuts
142
About the O-Rings Used
144
List of O-Rings Used
144
O-Ring Materials Used for Screw Compressor
144
Tools for Disassembly
145
Chapter 8 Contact Information
146
How to Order Genuine Parts
146
Sales Offices/Service Centers
146
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mycom 2016LMC Specifications
General
Brand
mycom
Model
2016LMC
Category
Air Compressor
Language
English
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