Emerson VSG & VSSG Installation Manual download pdf (Page 77)

5 – 19

VSG/VSSG • Installation, Operation and Maintenance Manual •Vilter/Emerson • 35391SSG

Gate Rotor and Support Clearance

When measuring, push the gate rotor against the pin to

remove ﬂ oat.

1. Place a straight edge along the side of the gate ro-

tor, see Figure 5-16.

2. Measure the gap from the straight edge to the peak

of the gate rotor support. For minimum distance,

see Figure 5-15.

3. Repeat steps 1 to 2 to check gap along entire gate

rotor edge on both sides.

Section 5 • Maintenance/Service

Figure 5-15. Gate Rotor and Support Clearance - Minimum Clearances

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 105 106

VSG/VSSG compressor unit 1
Important Message 4
Table of Contents 5
List of Tables and Figures 7
How To Use This Manual 9
System Unit Identiﬁ cation 11
Symbols and Identiﬁ cations 16
1 – 10 / Blank 18
Gas Flow 19
Oil Life and Oil Flow 19
Control System 20
RTDs and Pressure Transducers 20
Delivery Inspection 21
Section 3 • Installation 21
Storage or Installation 23
Recommended Onsite Tools 23
LONG TERM STORAGE LOG 24
Foundation 25
Foundation Materials 25
Building the Foundation 25
Compressor Unit Installation 26
Leveling and Grouting 27
Common Area 32
Initial Oil Charging 36
Using Non -Vilter Oils 36
Unit Oil Charging and Priming 36
Pressure Testing 36
View Rotate 180° 37
(Initial Oil Charging) 40
Pre Start-Up 42
Pre Start-Up Checklist 42
Start-Up 44
Section 4 • Operation 45
Operation 45
Oil Inspection 45
Dual Oil Filters 45
Mixing Valve) Operation 51
Purging with Dry Nitrogen 53
Purging with Dry Gas 55
Maintaining Proper Operation 60
Maintenance/Service 60
Compressor Unit Leak Check 61
Oil System Components 62
Oil Sampling 62
Oil Draining 64
Oil Filter Replacement 64
Coalescing Filter Replacement 66
Oil Pump Strainer 67
Installation 68
Alignment 69
Speciﬁ cations 70
Center Member and Hub Removal 71
Replacement 71
Compressor Replacement 72
Inspections 74
Bearing Float Inspection 75
Side View 76
VSG 301-701 Compressors) 79
Gate Rotor Disassembly 84
Command Shaft Assembly 87
Section 6 • Troubleshooting 89
Problem Reason Solution 89
Flash Pattern Meaning 91
Problem Solution 93
6 – 8 / Blank 96
Warranty Claim Processing 97
On Site Service Support 97
Compressor Process 98
PRODUCT ANALYSIS REPORT 101
Evaluation: 101
Physical Properties Results * 101
Spectrochemical Analysis 101
No Action Required 101
OUTLET ON TOP 103
INLET ON BOTTOM 103

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