Ingersoll-Rand Sierra SM 90 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:

S
Sarah CarterAug 25, 2025
What causes a Ingersoll-Rand Sierra SM 90 to fail to load?
- J
  Jason ShepardAug 25, 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.
M
Monica AguirreAug 29, 2025
How to get rid of water in Ingersoll-Rand Sierra SM 90 Air Compressor system?
- J
  Jennifer WashingtonAug 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.
C
Cody DorseySep 1, 2025
Why is my Ingersoll-Rand Sierra SM 90 making so much noise?
- J
  jasonhallSep 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.
J
Johnny HammondSep 5, 2025
What to do with excessive vibration of Ingersoll-Rand Sierra SM 90?
- J
  Jason OconnorSep 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.
L
Logan GarciaSep 9, 2025
Why does the pressure relief valve keep opening on my Ingersoll-Rand Sierra SM 90?
- E
  erinroseSep 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 SM 90 Specifications

General

Maximum Pressure	175 psi
Power Source	Electric
Phase	3
Air Delivery	24.1 CFM at 175 PSI
Voltage	230/460V

Summary

Safety

General Information

General safety practices and responsibilities for operation and maintenance.

Compressed Air

Hazards associated with compressed air and safety precautions for handling.

Electrical

Safety precautions related to electrical systems and connections.

General Information

General Operation

Overview of the compressor's basic features and self-contained design.

Compressed Air System

Explains the path and processing of air from intake to discharge.

Lubrication System

Electrical System

Capacity Control

Describes how the compressor adjusts its output based on demand.

On-off Line Control

Details how the compressor operates at full or zero capacity based on plant pressure.

Automatic Start/Stop Control Option

Electrical Data

Installation / Handling

Location in the Plant

Commissioning

Essential safety checks and procedures before initial machine start-up.

Operating Instructions

Emergency Stop Switch (1)

Describes the function and reset procedure for the emergency stop button.

Start (3)

Procedure for starting the compressor, which begins in an unloaded state.

Unloaded Stop (4)

Unload (5)

Load (6)

Controls the compressor loading based on discharge pressure and online set point.

Intellisys Microprocessor

Overview of the control module providing starting, operating, and safety control.

Current Status

Main Menu

Operator Setpoints

Allows users to adjust operational parameters and variables for optimal performance.

Options

Describes how to enable/disable features and set associated values using optional modules.

Sensor Calibration

Procedure for calibrating pressure sensors, crucial for accurate readings.

Alarm History

Displays a log of the last 15 alarms, including machine conditions at the time.

Warning

Alarms

Signals critical events that stop the compressor, indicating the cause and status.

Prior to Starting

Essential safety checks and procedures before initial machine start-up.

Maintenance

Routine Maintenance

Outlines periodic maintenance tasks and recommended intervals for components.

Air Filter Change Procedure

Oil and Oil Filter

Procedure for changing the oil and oil filter based on hours or pressure drop.

Trouble Shooting

Compressor Fails to Start

Common causes and remedies for the compressor not starting.

Compressor Shuts Down

Reasons for unexpected shutdowns and troubleshooting steps.

Low System Air Pressure

Identifies causes for low air pressure and provides troubleshooting solutions.

Compressor Fails to Load

Troubleshooting steps for when the compressor does not engage to deliver air.

Pressure Relief Valve Opens

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