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Gardner Denver L30-45E User Manual

Gardner Denver L30-45E
52 pages
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L-SERIES FRAME 3
BASE MOUNTED COMPRESSOR
Original User and Service Manual
MODELS
L30-45E
40, 50, 60 HP
LRS30-45E
30, 37, 45 kW
13-25-637
Version 02
January 20, 2020

Table of Contents

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Gardner Denver L30-45E Specifications

General IconGeneral
ModelL30-45E
ManufacturerGardner Denver
TypeRotary Screw Air Compressor
Drive TypeDirect Drive
Phase3
Maximum Pressure175 PSI
Voltage208-230/460 V (depending on model)

Summary

Preface

Compressor Information

Details about the compressor's design, quality, and environmental compliance.

Intended Use

Specifies authorized applications and user responsibilities for safe operation.

Maintenance and Care

Emphasizes the necessity of proper, regular maintenance for longevity and performance.

General Notes

Provides general guidance for safe, proper, and economical operation of the equipment.

Safety Regulations

General Safety Regulations

Outlines essential safety measures and precautions for operating the machine.

Dangers Associated with Compressed Air

Details risks, hazards, and necessary precautions when using compressed air.

Dangers Associated with Machines

Covers hazards specific to the compressor unit, electrical safety, and noise.

Dangers During Loading and Moving

Addresses risks during lifting, transport, and relocation of the compressor.

General Workplace Dangers

Lists general safety precautions applicable to the work environment.

Dangers from Neglecting Maintenance

Highlights consequences of improper or deferred maintenance on safety.

Dangers During Maintenance and Repairs

Covers specific hazards and precautions when servicing the equipment.

Dangers from Modifications

Warns against unauthorized alterations, their risks, and warranty implications.

Design and Functioning

Unit Design Overview

Explains the physical layout, components, and diagrams of the compressor unit.

System Schematic

Illustrates the functional diagram of the compressor's internal systems.

Oil Circuit

Describes the flow and function of the lubrication and oil separation system.

Air Circuit

Details the path and process of compressed air generation and delivery.

System Control

Explains how the compressor's operations are managed, including starting and stopping.

Suction Regulator Operation

Describes the manner of operation for the suction regulator in different modes.

Transport and Installation

Transport Guidelines

Provides instructions and safety guidelines for moving the compressor unit.

Installation Procedures

Details the steps for properly setting up the compressor at its location.

Preparations for Commissioning

Cooling Air Volume and Minimum Cross Section

Specifies requirements for ventilation, air flow, and ducting.

Compressed-Air Connection

Guides on connecting the compressor outlet to the existing compressed-air system.

Electrical Connection

Explains the procedure for electrical hookup, safety, and checks.

Checking the Oil Level

Instructions for verifying the lubricant level before operation.

Commissioning

First Commissioning

Step-by-step guide for initial startup and checks of the compressor.

Recommissioning After Decommissioning

Procedures for recommissioning after a period of disuse or shutdown.

Compressor Controller Display

Overview of the control panel interface, indicators, and messages.

Routine Commissioning

Steps for regular startup, operation checks, and verification.

Commissioning After Malfunction

How to restart the unit safely after a fault has been rectified.

Normal Shutoff Procedure

Proper procedures for normal shutdown of the unit using the stop button.

Emergency Stop Procedure

Guidelines for using the emergency shutdown button in critical situations.

Storage of Compressors

Decommissioning for Storage

Instructions for safely shutting down and preparing the unit for storage.

Service and Maintenance

Maintenance Recommendations

General advice on the importance and scope of regular maintenance.

Electric Motor Maintenance

Specific maintenance tasks and considerations for the electric motor.

Maintenance and Inspection Schedule

Schedule outlining required service intervals, tasks, and check lists.

Oil Change Procedures

Detailed procedures, safety precautions, and intervals for changing compressor oil.

Oil Filter Cartridge Replacement

Steps for safely removing and replacing the oil filter cartridge.

Fine Oil Separator Replacement

How to replace the fine oil separator element, including safety.

Air Intake Filter Replacement

Instructions for checking and replacing the air intake filter.

Pressure Relief Valve Check

Information on checking, testing, and the importance of the pressure relief valve.

Switch Cabinet Terminal Connections

Guidelines for accessing and working with electrical terminals in the switch cabinet.

Screw Connections Check

Checking and re-tightening of pneumatic, oil, and water circuit connections.

General Maintenance and Cleaning

Routine cleaning and upkeep procedures for various compressor components.

Filter Cleaning and Replacement

Cleaning or replacing air intake filters and control cabinet inlet filters.

Maintenance Notes and Lubricant Recommendations

Specific notes on lubricants and maintenance for stationary compressor units.

Trouble-shooting

Annex

Layout Plan

Provides dimensional drawings, installation clearances, and connection points for the unit.

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