Ingersoll-Rand Sierra HH 400 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
Jessica NelsonAug 25, 2025
What causes a Ingersoll-Rand Sierra HH 400 to fail to load?
- M
  Marcus WebbAug 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.
R
robert13Aug 27, 2025
How to get rid of water in Ingersoll-Rand Sierra HH 400 Air Compressor system?
- T
  Timothy DeckerAug 27, 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.
T
Taylor CookAug 31, 2025
Why is my Ingersoll-Rand Sierra HH 400 making so much noise?
- J
  Jennifer AyersAug 31, 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.
T
Timothy LyonsSep 3, 2025
What to do with excessive vibration of Ingersoll-Rand Sierra HH 400 Air Compressor?
- B
  Brittany JohnsonSep 3, 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.
J
Justin GrahamSep 8, 2025
Why does the pressure relief valve keep opening on my Ingersoll-Rand Sierra HH 400 Air Compressor?
- R
  Rachel PerkinsSep 8, 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 HH 400 Specifications

General

Brand	Ingersoll-Rand
Model	Sierra HH 400
Category	Air Compressor
Language	English

Summary

Safety

General Safety Guidelines

Covers general safety advice, operator responsibilities, and equipment checks.

Compressed Air Safety

Hazards associated with compressed air handling and necessary precautions.

Electrical Safety

Safety precautions for electrical system work and connections.

Installation / Handling

Site Preparation and Commissioning

Guidance on site selection, unpacking, and initial checks before operation.

Operating Instructions

INTELLISYS Control Panel Overview

Sensor Calibration and Alarm Handling

Maintenance

Routine Maintenance Schedule

Periodic maintenance tasks and their recommended intervals as per the chart.

Filter and Oil System Maintenance

Trouble Shooting

Start-up and Shutdown Issues

Troubleshooting common problems during compressor start and stop sequences.

Air Pressure and Loading Problems

Diagnosing and resolving issues related to system air pressure and compressor loading.

Operational Faults and Remedies

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