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KAESER EPC 420-2-250 User Manual

KAESER EPC 420-2-250
110 pages
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Service Manual
2-stage piston compressor
EPC
No.: 9_9431_02 E
Manufacturer:
KAESER KOMPRESSOREN GmbH
96410 Coburg • PO Box 2143 • GERMANY • Tel. +49-(0)9561-6400 • Fax +49-(0)9561-640130
http://www.kaeser.com

Table of Contents

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KAESER EPC 420-2-250 Specifications

General IconGeneral
BrandKAESER
ModelEPC 420-2-250
CategoryAir Compressor
LanguageEnglish

Summary

Technical Specification

Nameplate

Details found on the machine's nameplate for identification and technical information.

Compressor Block

Specifications and details of the compressor block, including displacement and cylinders.

Pressure switch setting

Details the factory settings for cut-in, cut-out pressures, and pressure differential.

Pressure

Specifies activating pressures for various relief valves on the machine.

Motor power and speed

Lists motor power, speed, and degree of protection ratings.

Compressor oil recommendations

Recommends specific compressor oils based on application and operating conditions.

Power Supply

Details basic requirements and specifications for the machine's three-phase power supply.

Safety and Responsibility

Dangers

Identifies various forms of danger that can arise during machine operation.

Safely dealing with sources of danger

Describes how to safely handle electrical, compression, and rotating component dangers.

Safe machine operation

Provides information on safe conduct and practices during machine operation.

In Emergency

Provides instructions for emergency situations like fire fighting and first aid.

Design and Function

Operating modes and control modes

Defines machine operating modes (LOAD, STANDSTILL) and control modes (pressure switch).

Safety Devices

Lists safety devices provided with the machine and emphasizes they must not be modified.

Installation and Operating Conditions

Installation conditions

Specifies requirements for location, clearances, and environmental conditions for installation.

Installation

Connecting the Power Supply

Procedure for safely connecting the machine to the electrical power supply.

Initial Start-up

Safety

Essential safety instructions to ensure a safe initial start-up of the machine.

Instructions to be observed before commissioning or recommissioning

Key instructions and checks required before starting the machine for the first time or after storage.

Checking installation and operating conditions

A checklist of items to verify before the machine's first start-up.

Motor protection

Details on setting and importance of the motor overload protection switch.

Starting the machine for the first time

Step-by-step guide for safely starting the machine for its initial operation.

Setting network pressure

Instructions on how to adjust the network (working) pressure to suit operating conditions.

Setting the regulator

Guidance on adjusting the pressure regulator to maintain a constant working pressure.

Operation

Switching on and off

Procedures for safely switching the machine on and off using the main switch.

Fault Recognition and Rectification

Alarms

A table listing common faults, their possible causes, and recommended remedies.

Maintenance

Safety

Safety instructions to ensure safe execution of all maintenance work.

Maintenance Schedule

Guidelines for planning and logging maintenance tasks based on operating conditions.

Regular maintenance tasks

Lists routine maintenance tasks with recommended intervals based on operating hours.

Regular service tasks

Outlines regular service tasks to be performed by authorized technicians and their intervals.

Checking the oil level

Procedure for checking the compressor oil level using the oil sight glass.

Topping up the compressor oil

Steps for topping up compressor oil, including important cautions on oil types.

Changing the compressor oil

Instructions for draining old oil and filling the compressor with new oil.

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