1
INDEX TO SECTIONS
Page Number
SECTION 1
FOREWORD
2
SECTION 2
DESCRIPTION
4
2.1
The WRV / WRVi Compressor
5
2.2
Compression Cycle
6
2.3
Gas System
7
2.4
Oil System
7
2.5
Oils
8
SECTION 3
INSTALLATION
9
3.1
Alignment of Compressor Couplings
10
3.2
Alignment Tolerance
11
3.3
Dowelling
12
3.4
Piping
12
SECTION 4
FIRST START UP
13
4.1
First Start
14
SECTION 5
NORMAL OPERATION
15
5.1
Normal Start
16
5.2
Normal Stop
16
SECTION 6
PROCEDURES DURING SHUT DOWN
17
6.1
Procedure on Shut Down
18
6.2
Inhibiting Oils
18
SECTION 7
MAINTENANCE
19
7.1
General Comments
20
7.2
Preparation for Annual Inspection
21
7.3
Dismantling Procedure for Annual Inspection
21
7.4
Checking Clearances
28
Guide Block
28
Thrust Bearing
29
7.5
Re-assembly after Annual Inspection
30
SECTION 8
OVERHAUL
32
8.1
General Procedure
33
8.2
Dismantling 163 Compressor for Major Overhaul
34
8.3
Re-assembly 163 Compressor after Overhaul
38
Rotor to Main Casing Outlet End Clearance
39
8.4
Dismantling 204, 255 & 321 Compressors for
Major Overhaul
41
Journal Bearing Clearances
42
Rotor Weights
45
8.5
Re-assembly 204, 255 & 321 Compressors after
Overhaul
46
Thrust Bearing Nip
46
Rotor to Main Casing Outlet End Clearance
47
SECTION 9
SPECIAL INSTRUCTIONS
49
9.1
Torque Specifications
50
9.2
Procedure for Fitting Lockwashers
53
9.3
Special Tool List
54
SECTION 10
SPARES
56
10.1
Recommended Spares List
57
Summary of Contents for WRV
Page 1: ...WRV WRVi COMPRESSOR RANGE SERVICE MANUAL...
Page 3: ...2 SECTION 1 FOREWORD...
Page 5: ...4 HOWDEN SECTION 2 DESCRIPTION...
Page 10: ...9 SECTION 3 INSTALLATION...
Page 14: ...13 SECTION 4 FIRST START UP...
Page 16: ...15 SECTION 5 NORMAL OPERATION...
Page 18: ...17 SECTION 6 PROCEDURES DURING SHUTDOWN...
Page 20: ...19 SECTION 7 MAINTENANCE...
Page 33: ...32 SECTION 8 OVERHAUL...
Page 50: ...49 SECTION 9 SPECIAL INSTRUCTIONS...
Page 57: ...56 SECTION 10 SPARES...
Page 64: ...63 Printed in the UK Issue HCL September 2012 Howden Compressors Limited...