Gardner Denver L75RS User And Service Manual

Gardner Denver L75RS User And Service Manual

Screw air compressor
Table of Contents

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Original User and Service Manual
Screw Air Compressor
L55 - L75
L55RS - L75RS
USA
13-21-605
VERSION: 00

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Table of Contents
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Summarization of Contents

Introduction and General Information
General Information Overview
Overview of compressor design, intended use, and manufacturer information.
Maintenance and Warranty
Importance of maintenance and warranty conditions, including non-genuine parts.
Safety Warnings and Symbols
DANGER, WARNING, CAUTION Levels
Explanation of hazard symbols: DANGER (high risk), WARNING (medium risk), CAUTION (low risk).
Specific Hazard Symbols
Identification of symbols for pressurized parts, automatic start-up, and electric shock.
Operational Safety and Hazards
Burn Hazard and Notices
Warning for hot surfaces and notice for property damage.
Prohibition and Mandatory Actions
Asphyxiation Hazard and Operation Safety
Prohibitions against breathing compressed air and operating with open panels.
Compressor and System Overview
Compressor Information and Intended Use
Background on compressor development and specified intended use.
Maintenance Importance and Manual Guidance
Necessity of maintenance and how to use the manual effectively.
General Safety Regulations
General Safety Rules and Fault Handling
Adherence to machine warnings and immediate correction of faults.
Compressed Air, Machine, and Environmental Hazards
Compressed Air and Line Hazards
Dangers from air power, propelling parts, connections, breaches, and expansion.
Machine and Water-Cooled Hazards
Risks from electric shock, noise, Legionella, and oil contamination in cooling water.
Electrical, Transport, and Installation Safety
Electrical and Noise Hazards
Risks of electric shock, power quality issues, and noise exposure.
Lifting and Moving Machine Dangers
Hazards during lifting, moving, and securing parts of the machine.
General Workplace and Installation Safety
Statutory regulations, site familiarization, fire safety, and installation risks.
Maintenance-Related Safety Dangers
Dangers from Neglected Maintenance
Consequences of wear on safety components and line perishability.
Maintenance Safety Checks
Ensuring functional safety mechanisms and checking electrical equipment.
Dangers During Maintenance and Repairs
Maintenance Personnel, Parts, and Electrical Safety
Requirement for trained technicians, original parts, and qualified electricians.
Mechanical and Component Safety
Safety during maintenance: handling pressurized parts, protecting components, and modifications.
System Circuits and Control
Oil, Air Circuits, and System Control
Description of oil/air circuits and system control for L55-80 models.
System Operation Modes
Details on automatic and controlled operation modes for L55RS-L75RS.
Commissioning and Operational Procedures
First Commissioning Steps and Safety
Safety precautions and step-by-step guide for initial unit startup.
Routine Commissioning and Start-up Protection
Procedures for routine commissioning and conditions for motor start-up protection.
Malfunction Handling and Shutoff
Steps for commissioning after malfunction, normal shutdown, and emergency stop.
Maintenance Recommendations and Schedules
General Maintenance and Motor Care
Importance of maintenance and specific care for the electric motor.
Maintenance and Inspection Schedules
Service check lists for various operating hour intervals.
Specific Maintenance Tasks
Oil Change and Filter Replacement
Safety procedures and steps for changing oil and oil filter cartridges.
Fine Oil Separator and Air Filter Maintenance
Procedures for replacing the fine oil separator and air intake filter.
Troubleshooting Common Issues
Unit Startup and Pressure Issues
Causes and remedies for unit startup failures and pressure problems.
Operational and Air Quality Issues
Troubleshooting for unit shutdowns, oil in air, and pressure relief valve issues.
Technical Specifications and Layout
USA/CANADA L55-L80 Air Cooled Specs
Detailed technical data for air-cooled L55-L80 models.
USA/CANADA L55 RS Air Cooled Specs
Technical data for L55 RS air-cooled model.
USA/CANADA L75RS Air Cooled Specs
Technical data for L75RS air-cooled model.
Layout Plan and Dimensions
Diagrams showing unit dimensions and connection points for different variants.

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