Hitachi HISCREW OSP-37M6AI User Manual

What Marks Say:
INSTRUCTION MANUAL
●
This manual expresses the matters that need your attention as below.
●
Do not fail to observe “WARNING” and “CAUTION,” as they assume considerable
importance to safety.
: This is a warning. This assumes possible
death or severe injury to the operator if
handled wrongly.
: This is a caution. This assumes possible
injury to the operator and physical
damage, if handled wrongly.
: This means the things that need attention
other than WARNING and CAUTION.
MEMO
WARNING
: This means prohibition.
: This means convenient information
to know.
: This shows reference page number.
: This shows the information specific to
the models with a built-in air dryer.
IMPORTANT
☞
CAUTION
HITACHI ROTARY SCREW COMPRESSOR
Air-Cooled Type,
Before you start operating, be
sure to read this manual carefully
in order to operate the machine
safely and properly.
Also, prepare the manual near
the machine to make it available
at anytime, and refer to it as the
need arises.
Model : OSP-22S5AI OSP-22S5ARI
OSP-22S6AI OSP-22S6ARI
OSP-22
M 5AI OSP-22 M 5ARI
OSP-22
M 6AI OSP-22 M 6ARI
OSP-37S5AI OSP-37S5ARI
OSP-37S6AI OSP-37S6ARI
OSP-37
M 5AI OSP-37 M 5ARI
OSP-37
M 6AI OSP-37 M 6ARI
[Without a built-in air dryer] [With a built-in air dryer]
2000 Series

Hitachi HISCREW OSP-37M6AI Specifications

General

Model	HISCREW OSP-37M6AI
Category	Air Compressor
Power	37 kW
Motor Power	37 kW
Voltage	400 V
Frequency	50 Hz
Weight	950 kg
Type	Screw
Maximum Pressure	0.8 MPa

Summary

Safety Precautions

Component Identification

Details the appearance and main components of the compressor and their functions.

Operating the Compressor

Covers the daily procedures for operating the compressor, including power on and stop.

Daily Checks and Maintenance

Lubricant Management

Troubleshooting and Error Codes

Alarm or Shutdown Display

Details how to interpret alarm and shutdown lights and error codes.

Override Operation

Explains how to enable and use the override operation mode for troubleshooting.

SHUTDOWN/ALARM Indications

A table listing SHUTDOWN/ALARM codes, causes, actions, and reset procedures.

Other Shutdowns Not Displayed

Installation and Setup

Installation Site Requirements

Piping and Connection Guidelines

Compressor Room Ventilation

Electrical Wiring Instructions

Covers power source, cable selection, earth leakage breaker, and grounding.

Periodic Maintenance Guide

Compressor Periodic Maintenance

Provides typical maintenance standards and intervals based on run hours.

Maintenance Standards (A) - <6000h/yr

Detailed checklist for maintenance items based on annual run hours under 6,000.

Maintenance Standards (B) - <3000h/yr

Detailed checklist for maintenance items based on annual run hours under 3,000.

Relief Valve Performance Check

Capacity Control System Performance Check

Oil Filter Element Replacement

Air Intake Filter Cleaning and Replacement

Minimum Pressure/Check Valve Inspection & Replacement

Oil Separator Element Replacement