Ingersoll-Rand Sierra SL 250 User Manual

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SL, SM & SH 90, 110, 132, 150, 200, 250 & 300 (50Hz)

L, H & HH 125, 150, 200, 250, 300, 350 & 400 (60Hz)

This manual contains

important safety information

and must be made available

to personnel who operate and

maintain this machine.

OPERATION AND MAINTENANCE MANUAL

LIBRO D’USO E MANUTENZIONE

MANUAL DE MANEJO Y MANTENIMIENTO

MANUAL DE OPERAÇAO E CONSERVAÇAO

C.C.N. : 80441306

REV. : D

DATE : JANUARY 2010

en pt it es

ENGLISH

PRINT LANGUAGE

PORTUGUESE

SPANISH

ITALIAN

Table of Contents

Questions and Answers:

J
Jason TaylorAug 26, 2025
What causes a Ingersoll-Rand Sierra SL 250 to fail to load?
- C
  Christine MeltonAug 26, 2025
  If your Ingersoll-Rand Air Compressor fails to load, start by checking for leaking seals in the hydraulic cylinder. If the cylinder doesn't fully stroke when the 'Load' button is pressed, overhaul the hydraulic cylinder. Also, check for a defective load solenoid valve by removing the tube that runs from the load solenoid valve to the hydraulic cylinder. Start the compressor and press the 'Load' button; if oil doesn't come out of the solenoid valve, replace it.
B
bradshawwhitneyAug 29, 2025
How to get rid of water in Ingersoll-Rand Air Compressor system?
- M
  Michelle PayneAug 29, 2025
  If you find water in your Ingersoll-Rand Air Compressor system, start by inspecting the moisture separator/drain trap for defects and clean if required; replace if defective. Check the trap drain and drain piping for any blockages and clean them. Inspect and clean the aftercooler core if it's dirty. Ensure all enclosure panels are in place. If the unit lacks an aftercooler, consider installing one. Finally, ensure the drain line/drip leg is correctly installed, sloping the drain line away from the trap and installing a drip leg.
J
jwhiteSep 1, 2025
Why is my Ingersoll-Rand Air Compressor making so much noise?
- H
  Hayden ThomasSep 1, 2025
  If your Ingersoll-Rand Air Compressor has an excessive noise level, inspect and tighten any loose component mountings. Ensure that all enclosure panels are in place. If the compressor itself is defective, contact an authorized distributor immediately and do not operate the unit.
A
andrewolsonSep 5, 2025
What to do with excessive vibration of Ingersoll-Rand Sierra SL 250 Air Compressor?
- C
  Christopher HunterSep 5, 2025
  If your Ingersoll-Rand Air Compressor is experiencing excessive vibration, inspect and tighten any loose components. If the motor or compressor bearing has failed, contact an authorized distributor immediately and do not operate the unit. Inspect the area for other equipment that may be causing external vibrations.
H
Hector MilesSep 9, 2025
Why does the pressure relief valve keep opening on my Ingersoll-Rand Sierra SL 250 Air Compressor?
- S
  shawnhughesSep 9, 2025
  If the pressure relief valve on your Ingersoll-Rand Air Compressor opens, it could be due to the compressor operating over pressure; adjust the controller set points. Alternatively, the valve itself may be defective and require replacement.

Ingersoll-Rand Sierra SL 250 Specifications

General

Brand	Ingersoll-Rand
Model	Sierra SL 250
Category	Air Compressor
Language	English

Summary

Safety

General Safety Information

Compressed Air Hazards

Details the dangers associated with compressed air handling.

Electrical Safety

Highlights precautions for working with the compressor's electrical system.

Installation / Handling

Installation Notes and Procedures

Commissioning

Outlines essential checks before putting the machine into service.

Motor Installation

Operating Instructions

Control Panel Overview

Current Status Display

Operator Setpoints

Sensor Calibration

Alarm and Warning Management

Explains how to view and respond to system alarms and warnings.

Prior to Starting Checks

Maintenance

Routine Maintenance Schedule

Air Filter Maintenance

Oil and Oil Filter Service

Covers oil draining, filter replacement, and oil level checks.

Trouble Shooting

Compressor Fails to Start

Lists common reasons and solutions when the compressor does not start.

Compressor Shuts Down

Addresses various causes and remedies for unexpected compressor shutdowns.

Low System Air Pressure

Diagnoses and resolves issues related to low air pressure.

Compressor Fails to Load

Troubleshoots problems preventing the compressor from loading.

Excessive Noise Level

Identifies causes and solutions for abnormal noise.

Excessive Vibration

Addresses issues causing excessive machine vibration.

Pressure Relief Valve Opens

Diagnoses why the pressure relief valve might be opening.

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