SUBJECT
................................................................................................................................................ See page:
1. INTRODUCTION
..............................................................................................................................
1.1
2. FUNCTION OF THE COMPRESSOR IN THE REFRIGERATING PLANT
...........................................
2.1
3. TECHNICAL DATA
3.1 General technical data..............................................................................................................
3.1
3.2 Connections and required free space ......................................................................................
3.2
3.3 Lubrication data........................................................................................................................
3.4
4. GENERAL DESCRIPTION OF THE COMPRESSOR
4.1 Compressor housing .................................................................................................................
4.1
4.2 Cylinders and moving parts......................................................................................................
4.1
4.3 Rotary shaft seal .......................................................................................................................
4.2
4.4 Suction and discharge valves....................................................................................................
4.2
4.5 Valve-lifting mechanism............................................................................................................
4.3
4.6 Cylinder head cooling ...............................................................................................................
4.3
4.7 Principal connections and suction gas strainer........................................................................
4.3
4.8 Pressure equalizing line and overflow safety valves ...............................................................
4.3
4.9 Oil pump, filters and control oil system...................................................................................
4.4
4.10 Lubrication system ..................................................................................................................
4.5
5. DESCRIPTION AND OPERATION OF ACCESSORIES
5.1 Pressure gauges ........................................................................................................................
5.1
5.2 Pressure safety switches ...........................................................................................................
5.1
5.3 Crankcase heating.....................................................................................................................
5.2
5.4 Cylinder head temperature safety device................................................................................
5.2
5.5 Capacity control
5.5.1 Manually operated capacity control...............................................................................
5.3
5.5.2 Electrically operated capacity control.............................................................................
5.5
5.6 Injection interstage gas cooler .................................................................................................
5.5
6. OPERATION OF THE COMPRESSOR
6.1 Unloaded starting .....................................................................................................................
6.1
6.2 Loaded operation of the compressor......................................................................................
6.1
6.3 Liquid hammer ..........................................................................................................................
6.1
7. STARTING, STOPPING AND ADJUSTMENT OF COMPRESSOR
7.1 Starting the compressor ...........................................................................................................
7.1
7.2 Stopping the compressor .........................................................................................................
7.1
7.3 Setting of the oil pressure regulator........................................................................................
7.1
7.4 Setting of pressure safety switches..........................................................................................
7.3
8. PERIODICAL INSPECTIONS OF THE OPERATING COMPRESSOR
8.1 Survey of periodical inspections (Check list)............................................................................
8.1
8.2 Explanation to the survey of periodical inspections ...............................................................
8.2
9. COMPRESSOR MAINTENANCE
9.1 Maintenance schedule..............................................................................................................
9.1
9.2 Lubrication data........................................................................................................................
9.1
9.3 Topping up oil with compressor operating.............................................................................
9.1
9.4 Evacuation of compressor ........................................................................................................
9.2
9.5 Draining and change of oil.......................................................................................................
9.2
9.6 Cleaning of oil filters.................................................................................................................
9.2
9.7 Cleaning of the suction gas strainer ........................................................................................
9.3
9.8 Dismounting, inspection and reassembly of suction and discharge valves ...........................
9.3
9.9 Compressor purging .................................................................................................................
9.5
10. FAULT FINDING TABLE
................................................................................................................. 10.1 & ff
Appendix: STANDARD ILLUSTRATED PARTS LIST
........................................................................... 1 - 23
Refrigeration Division
Grasso
TABLE OF CONTENTS
v002.97.10.en
Refrigeration Compressors Series RC9
Page I