Atlas Copco LT22 User Manual

Atlas Copco Stationary Air Compressors
*2920125704*
No. 2920 1257 04
Registration code: APC L / 38 / 989
Replaces 2920 1257 03
2000-10
LE/LT15, -22, -40, -55, -75, -110, -150
LF15, -22, -40, -55, -75
www.atlascopco.com
• Copyright 2000, 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.
Instruction Book

Atlas Copco LT22 Specifications

General

Brand	Atlas Copco
Model	LT22
Category	Air Compressor
Language	English

Summary

2 Installation and handling

Electrical connections

Outlines the requirements and procedures for connecting the compressor's electrical system to the power supply.

Settings of overload relay - fuses - cable size

Provides specific settings for overload relays, fuse ratings, and cable sizing based on compressor type and voltage.

3 Operating instructions

Initial start-up

Guides users through the essential steps for the first-time operation of the compressor, including checks and initial setup.

Starting

Details the procedure for starting the compressor, including checks on oil level and pressure switch operation.

Stopping

Explains the correct procedure for stopping the compressor, including safety precautions for power failures.

4 Maintenance

Preventive maintenance schedule for the compressor

Summarizes the recommended maintenance tasks and intervals for keeping the compressor in good working order.

Lubrication of LE/LT compressors

Service kits

5 Servicing and adjustment procedures

Unloader or check valve

Valves

Air filter

Adjustment MDR4 pressure switch

Details how to adjust the stopping and starting pressures using the MDR4 pressure switch, including caution notes.

Adjustment MDR5/6 pressure switch

Guides on adjusting the maximum and pressure difference settings on MDR5/6 pressure switches.

Adjustment pilot valve on Trolley

Explains the adjustment of the pilot valve on Trolley compressors for maximum or unloading pressure control.

Safety valve

Relief valve

6 Problem solving