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GEA Grasso RC9 Series - User Manual

GEA Grasso RC9 Series
68 pages
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RC9
Instruction Manual For Refrigeration Compressors
00.89.221 v003.99.06.en

Table of Contents

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GEA Grasso RC9 Series Specifications

General IconGeneral
BrandGEA
ModelGrasso RC9 Series
CategoryAir Compressor
LanguageEnglish

Summary

1. INTRODUCTION

2. FUNCTION OF THE COMPRESSOR IN THE REFRIGERATION PLANT

3. TECHNICAL DATA

3.1 GENERAL TECHNICAL DATA

General technical specifications and data for RC9 compressors.

4. GENERAL DESCRIPTION OF THE COMPRESSOR

4.1 COMPRESSOR HOUSING

Details the construction of the compressor housing.

4.2 CYLINDERS AND MOVING PARTS

Explains the cylinders, pistons, and other moving components.

4.3 ROTARY SHAFT SEAL

Describes the mechanism and function of the rotary shaft seal.

4.4 SUCTION AND DISCHARGE VALVES

Details the construction and operation of suction and discharge valves.

4.5 VALVE LIFTING MECHANISM

Explains the mechanism for unloading the compressor.

4.6 CYLINDER HEAD COOLING

Information on cylinder head cooling features.

4.7 PRINCIPAL CONNECTIONS AND SUCTION GAS STRAINER

Describes main connections and the suction gas strainer.

4.8 PRESSURE EQUALIZING LINE AND OVERFLOW SAFETY VALVES

Explains pressure equalizing lines and safety valves.

4.9 OIL PUMP, FILTERS AND CONTROL OIL SYSTEM

Details the oil pump, filters, and control oil system.

4.10 LUBRICATION SYSTEM

Explains the compressor's lubrication system.

5. DISCRIPTION AND OPERATION OF ACCESSORIES

5.1 PRESSURE GAUGES

Describes the function and types of pressure gauges.

5.2 PRESSURE SAFETY SWITCHES

Explains pressure safety switches for protection.

5.3 CRANKCASE HEATING

Details the crankcase heating feature for low temperatures.

5.4 CYLINDER HEAD TEMPERATURE SAFETY DEVICE

Describes the safety device for cylinder head temperature.

5.5 CAPACITY CONTROL

Explains how compressor capacity is controlled.

5.5.1 MANUALLY OPERATED CAPACITY CONTROL

Details manual capacity control systems.

5.5.2 ELECTRICALLY OPERATED CAPACITY CONTROL

Details electrically operated capacity control systems.

5.6 INJECTION INTERSTAGE GAS COOLER

Describes the interstage gas cooler for two-stage compressors.

6. OPERATION OF THE COMPRESSOR

6.1 UNLOADED STARTING

Explains the process of starting the compressor unloaded.

6.2 LOADED OPERATION OF COMPRESSOR

Details how the compressor operates under load.

6.3 LIQUID HAMMER

Explains the phenomenon of liquid hammer and its causes.

7. STARTING, STOPPING AND ADJUSTMENT OF COMPRESSOR

7.1 STARTING THE COMPRESSOR

Provides instructions for starting the compressor.

7.2 STOPPING THE COMPRESSOR

Details the procedure for stopping the compressor.

7.3 SETTING OF THE OIL PRESSURE REGULATOR

Explains how to set the oil pressure regulator.

7.4 SETTING OF PRESSURE SAFETY SWITCHES

Describes how to set pressure safety switches.

8. PERIODICAL INSPECTION OF THE OPERATING COMPRESSOR

8.1 SURVEY OF PERIODICAL INSPECTIONS (CHECK LIST)

Provides a checklist for periodical inspections.

8.2 EXPLANATION TO THE SURVEY OF PERIODICAL INSPECTIONS

Explains the importance and methodology of periodical inspections.

9. COMPRESSOR MAINTENANCE

9.1 MAINTENANCE SCHEDULE

Outlines the schedule for maintenance operations.

9.2 LUBRICATION DATA

Provides information on suitable lubricating oils.

9.3 TOPPING UP OIL WITH COMPRESSOR OPERATING

Instructions for topping up oil while the compressor is running.

9.4 EVACUATION OF COMPRESSOR

Details the procedure for evacuating the compressor.

9.5 DRAINING AND CHANGE OF OIL

Step-by-step guide for draining and changing compressor oil.

9.6 CLEANING OF OIL FILTERS

Instructions for cleaning oil filters.

9.7 CLEANING OF THE SUCTION GAS STRAINER

Explains how to clean the suction gas strainer.

9.9 COMPRESSOR PURGING

Procedure for purging the compressor after maintenance.

10. FAULT FINDING TABLE

STANDARD ILLUSTRATED PARTS LIST RC9

COMPRESSOR HOUSING AND CONNECTIONS

Lists parts for the compressor housing and connections.

CRANKSHAFT AND BEARINGS

Parts list for bearing covers and crankshaft.

PISTONS, CONNECTING RODS AND VALVES

Parts for pistons, connecting rods, and valves.

SEALS AND LUBRICATION COMPONENTS

Parts for seals, oil pump, filters, and strainers.

CONTROL AND SAFETY ACCESSORIES

Parts for control, safety, and gauge panels.

COUPLINGS AND TOOLS

Parts for couplings, tools, and gasket sets.

STANDARD SETS OF PARTS, SEALS AND TOOLS

Lists sets of spare parts, seals, and tools.

OILIT SEALING RINGS FOR CONNECTIONS

Lists oilit sealing rings for various connections.

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