Atlas Copco LT3 User Manual

Instruction book
Atlas Copco Stationary Air Compressors
LE2, -3, -5, -7, -10, -15, -20
LT2, -3, -5, -7, -10 (50 Hz)
LT15/60, -15-30, -15, -20, -20-30
LF2, -3, -5, -7, -10
Instruction book
Copyright 2004, Atlas Copco Airpower n.v., Antwerp, Belgium.
Any unauthorized use or copying of the contents or any part thereof is prohibited. This applies in
particular to trademarks, model denominations, part numbers and drawings.
This instruction book meets the requirements for instructions specified by the machinery directive
98/37/EC and is valid for CE as well as non-CE labelled machines.
No. 2920 1585 00
Registration code: APC L / 38 / 985
2004-07
2920 1585 00 - 1 -

Atlas Copco LT3 Specifications

General

Type	Piston
Number of stages	1
Working pressure	10 bar
Motor power	2.2 kW
Tank volume	24 L

Summary

Leading particulars

1.1 General description

Provides a general overview of the compressor types and their characteristics.

Installation and handling

2.3 Electrical connections

Details the procedures and diagrams for electrical hookups.

2.4 Settings of overload relay - fuses - cable size

Specifies settings for overload protection, fuses, and required cable sizes.

Operating instructions

3.1 Initial start-up

Guides on the first-time startup procedures for the compressor.

3.2 Starting

Outlines the steps for starting the compressor safely and correctly.

3.3 Stopping

Details the procedures for safely stopping the compressor.

Maintenance

4.2 Preventive maintenance schedule of the compressor

Schedules recommended maintenance tasks based on operating hours or time.

4.3 Lubrication of LE/LT compressors

Servicing and adjustment procedures

5.4 Adjustment of MDR4S pressure switch (Figs. 5.4 up to 5.6)

5.5 Adjustment of MDR3 pressure switch (Figs. 5.7 and 5.8)

5.6 Adjustment of pilot valve on Trolley (Fig. 5.9)

5.7 Safety valve (SV-Figs. 1.4, 1.6 and 1.8) 1)

5.8 Relief valve (8-Fig. 1.1) on LF7, -10, LE10 up to -20 and LT

Problem solving

SAFETY PRECAUTIONS

Installation

Specific safety directives for installing the compressor unit.

Operation

Safety measures to be observed during compressor operation.

Maintenance

Safety guidelines for carrying out maintenance and repair work.