Atlas Copco LE7N 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 LE7N Specifications

General

Brand	Atlas Copco
Model	LE7N
Category	Air Compressor
Language	English

Summary

1 Leading Particulars

1.3 Regulating System

Explanation of the control system for compressor operation.

2 Installation

2.1 Electrical Connections

3 Operating Instructions

3.1 Initial Start-up

Step-by-step guide for the first-time operation of the compressor.

3.2 Starting and Stopping

Procedures for starting and safely stopping the compressor.

4 Maintenance

4.1 Preventive Maintenance Schedule

Schedule outlining daily, weekly, monthly, and yearly maintenance tasks.

4.2 Lubrication

5 Servicing and Adjustment Procedures

5.4 Setting of the Air Pressure Switch

5.5 Safety Valve

5.6 Relief Valve

6 Problem Solving

7 Principal Data

9 Electrical Diagrams

Fig. 10. Electrical Diagram of LE/LT5, -6 with Monophase Motor

Fig. 11. Electrical Diagrams of LE/LT5, -6 with Three-phase Motor

Fig. 12. Electrical Diagram of LE/LT7 up to -12 and LEN without Transformer

Fig. 13. Electrical Diagram of LE/LT7 up to -12 and LEN with Transformer