Atlas Copco LE9 User Manual

No. 2920 5997 03
Instruction book for Piston Compressors
LE/LT5, -6, -7, -8, -9, -11, -12
LT530, -730, -930, -1230
LE7N, LE9N
LE/LT7, -8, -9, -11, -12 Pack
Industrial Air Division
B-2610 Wilrijk - Belgium
Replaces
No. 2920 5997 02
1994-12
This instruction book meets the requirements for instructions
specified by the machinery directive 89/392/EEC and is valid
for CE as well as non-CE labelled machines

Atlas Copco LE9 Specifications

General

Voltage	230V / 400V (various options available)
Frequency	50 Hz / 60 Hz (depending on model)
Drive Type	Belt Drive
FAD (Free Air Delivery)	9.5 l/s / 20.1 cfm (at 8 bar)
Free Air Delivery	9.5 l/s / 20.1 cfm (at 8 bar)
Cooling System	Air Cooled

Summary

Installation

Electrical Connections

Details electrical installation requirements, wiring for different models, and safety precautions.

Operating Instructions

Safety Precautions

Highlights essential safety measures to be followed by the operator during use.

Initial Start-up

Step-by-step guide for the first-time startup, including checks and initial setup.

Starting the Compressor

Stopping the Compressor

Maintenance

Preventive Maintenance Schedule

Provides a detailed schedule of daily, weekly, monthly, and yearly maintenance tasks.

Servicing and Adjustment Procedures

Lubrication (Not for LEN)

Valve Maintenance

Air Pressure Switch Adjustment

Problem Solving

Insufficient Air Pressure Troubleshooting

Lists common causes and remedies for low air pressure issues.

Unit Does Not Speed Up Troubleshooting

Identifies potential causes and solutions when the unit fails to reach operating speed.

Electrical Diagrams