Hitachi HISCREW OSP-37M5AI - 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-37M5AI Specifications

General

Brand	Hitachi
Model	HISCREW OSP-37M5AI
Category	Air Compressor
Language	English

Summary

1. To Use in Safety

General Safety Warnings and Precautions

Covers hazards like rotating parts, hot oil, flammables, and electrical safety.

2. Parts Description and Functions

2.2 Main Component Units and Their Functions

3. How to Operate

3.1 Air Compressor Instrumentation

3.2 Using the Digital Monitor

3.3 Initial Start-Up Procedure

Step-by-step instructions for safely starting the compressor for the first time or after long stops.

3.4 Setting Control Functions

Details how to configure various operational modes and settings via DIP switches.

3.5 Daily Operation and Stop Procedures

Outlines routine daily checks and the correct steps for stopping the compressor.

4. Daily Check

4.3 Lubricant Management

5. Troubleshooting

5.1 Alarm and Shutdown Indications

Details how to interpret alarm/shutdown lights and error codes on the instrument panel.

5.2 Override Operation Procedure

Explains how to enable and use override operation for specific troubleshooting scenarios.

5.3 SHUTDOWN;ALARM Indications Table

Provides a comprehensive table of error codes, causes, actions, and reset procedures.

5.4 List of SHUTDOWNS Not Displayed

6. System of Each Component

6.1 Compressed Air;Lubricant System

6.2 Capacity Control System

Details the different capacity control types (I-type, P-type, U-type) and their functions.

6.3 Dryer System

7. Instructions for Installation

7.3 Installation Instructions

Specifies environmental requirements and placement guidelines for safe installation.

7.4 Piping Instructions

Details proper procedures for air receiver, discharge piping, and dryer trap piping.

7.5 Compressor Room Ventilation

7.6 Electrical Wiring Instructions

Covers power source, cable selection, earth leakage breakers, and wiring diagrams.

8. Periodic Maintenance

8.1 Periodic Maintenance for Compressor

8.2 Maintenance Standards (A)

Lists user-performable and dealer-ordered maintenance tasks for annual run hours under 6,000.

8.3 Maintenance Standards (B)

Lists tasks for annual run hours under 3,000, with different maintenance frequency.

8.5 Relief Valve Performance Check

8.6 Capacity Control System Performance Check

8.7 Oil Filter Element Replacement

Step-by-step guide for replacing the oil filter element.

8.8 Air Intake Filter Cleaning and Replacement

Instructions for cleaning or replacing the air intake filter element.

8.9 Cooler Cleaning

8.10 Minimum Pressure; Check Valve Inspection;Replacement

8.11 Oil Separator Element Replacement

8.12 Belt Inspection

9. When Not Used for Long Time

12. Standard Specification

Compressor Specification Details