Ingersoll-Rand Sierra HH 350 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
Jeffrey RussellAug 23, 2025
What causes a Ingersoll-Rand Sierra HH 350 Air Compressor to fail to load?
- T
  Tanner FreemanAug 23, 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.
J
joanne98Aug 27, 2025
How to get rid of water in Ingersoll-Rand Sierra HH 350 system?
- R
  Renee WilsonAug 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.
J
jmillerAug 31, 2025
Why is my Ingersoll-Rand Sierra HH 350 making so much noise?
- R
  Ronald TuckerAug 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.
A
atranSep 4, 2025
What to do with excessive vibration of Ingersoll-Rand Sierra HH 350 Air Compressor?
- B
  Billy LewisSep 4, 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.
S
slaneSep 7, 2025
Why does the pressure relief valve keep opening on my Ingersoll-Rand Sierra HH 350 Air Compressor?
- L
  lorrainedavisSep 7, 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 350 Specifications

General

Model	Sierra HH 350
Power Source	Electric
Type	Reciprocating
Maximum Pressure (PSI)	175 PSI
Voltage (V)	230 V

Summary

OPERATION AND MAINTENANCE MANUAL

SAFETY

INSTALLATION / HANDLING

COMMISSIONING

Lists essential steps to follow before starting the compressor for the first time.

OPERATING INSTRUCTIONS

EMERGENCY STOP SWITCH

PUSH BUTTONS

CURRENT STATUS

MAIN MENU

OPERATOR SETPOINTS

Allows adjustment of user-configurable variables affecting compressor operation and performance.

OPTIONS

Details optional features and their configuration settings available for the controller.

SENSOR CALIBRATION

Outlines the procedure for calibrating machine sensors for accurate readings.

ALARM HISTORY

Provides access to past alarm events and associated machine operating conditions.

MAINTENANCE

ROUTINE MAINTENANCE

Outlines the periodic tasks and recommended intervals for maintaining the compressor.

PRIOR TO ATTEMPTING ANY MAINTENANCE WORK

Lists critical safety precautions to be taken before performing any maintenance on the machine.

TROUBLE SHOOTING

Compressor fails to start

Lists common causes and remedies when the compressor fails to initiate operation.

Compressor shuts down

Addresses issues causing unexpected shutdown and provides troubleshooting steps.

Low system air pressure

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