McGraw MG2HPSS - User Manual

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ONLY a qualified engineer with
appropriate certifications may attempt
designing a new compressor to ensure
that all required safety and control
elements are in place and will work
together properly and safely. This
compressor pump is intended ONLY
as a replacement for a similarly rated
pump on an existing compressor that
includes all other needed components.
Constructing a new compressor using
this pump is not covered by the manual.
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Owner’s Manual & Safety Instructions
Save This Manual Keep this manual for the safety warnings and precautions, assembly,
operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the
back of the manual near the assembly diagram (or month and year of purchase if product has no number).
Keep this manual and the receipt in a safe and dry place for future reference. 21b
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
Copyright
©
2020 by Harbor Freight Tools
®
. All rights reserved.
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assembly an d se rv ic e may n ot b e in cl uded.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.

Summary

Safety Information

Warning Symbols and Definitions

Explains safety symbols like DANGER, WARNING, CAUTION, and NOTICE.

General Safety Warnings

Crucial safety advice for operating the compressor, covering work area and personal safety.

Compressor Pump Specific Safety

Safety instructions for pump use, care, and specific warnings regarding installation and operation.

Air Compressor Operational Safety

Safety guidelines for fire, bursting, air stream direction, and general operational precautions.

Grounding and Electrical Safety

Information on proper grounding, cord usage, and electrical safety measures.

Installation and Setup

Installation Overview and Components

Introduces installation, lists components, and provides initial warnings.

Assembly and Mounting Procedures

Detailed steps for assembling the pump, flywheel, and securing the unit to a mounting surface.

Pulley, Belt, and Alignment Guide

Instructions for pulley selection, belt tension, alignment, and checking oil level.

Air Supply Setup Diagrams

Illustrates portable and stationary air supply configurations with component descriptions.

Maintenance and Servicing

General Cleaning and Maintenance

Procedures for cleaning the compressor, general inspection, and safety before servicing.

Maintenance Schedule and Tasks

Daily, weekly, monthly, and periodic maintenance checks for optimal performance.

Oil and Air Filter Care

Specific instructions for oil maintenance, replacement, and air filter inspection/replacement.

Troubleshooting Compressor Issues

Common problems, their possible causes, and likely solutions for compressor operation.

Parts List and Diagram

Detailed Parts Identification

Lists all replacement parts with corresponding quantities and part numbers.

Exploded View Assembly Diagram

Visual representation of compressor pump components and their assembly order.

Warranty Information

Limited 90-Day Warranty Policy

Outlines the terms, conditions, limitations, and claim procedures for the product warranty.

McGraw MG2HPSS Specifications

General

Brand	McGraw
Model	MG2HPSS
Category	Water Pump
Language	English