Northern Industrial Tools 157791 User Manual

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1/4" Air Die Grinder

USER’S MANUAL

WARNING: Read carefully and understand all ASSEMBLY AND OPERATION

INSTRUCTIONS before operating. Failure to follow the safety rules and other basic safety

precautions may result in serious personal injury.

ITEM# 157791

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For technical questions and replacement parts, please call 1-800-222-5381.

Thank you very much for choosing a NORTHERN TOOL & EQUIPMENT CO., INC.
Product! For future reference, please complete the owner’s record below:
Model: _______________ Purchase Date: _______________
Save the receipt, warranty and these instructions. It is important that you read the
entire manual to become familiar with this product before you begin using it.

This machine is designed for certain applications only. Northern Tool + Equipment
strongly recommends that this machine is not modified and/or used for any
application other than that for which it was designed. If you have any questions
relative to a particular application, DO NOT use the machine until you have first
contacted Northern Tool + Equipment to determine if it can or should be performed
on the product.

Before using this product, please read the following instructions carefully.

Technical Specifications

Specifications

Free Speed

23,000 RPM
Max air pressure

90 PSI
Air Consumption

2.4 CFM
Air Inlet

1/4"
Air Hose

3/8”
Accessories

2 spanner
Air Exhaust

Adjustable rear exhaust
Chuck Size

1/4"

GENERAL SAFETY RULES

WARNING: Read and understand all instructions. Failure to follow all instructions listed

below may result in electric shock, fire and/or serious injury. The term “power tool” in all of the

warnings listed below refers to your pneumatic tool.

WARNING: The warnings, cautions, and instructions discussed in this instruction

manual cannot cover all possible conditions or situations that could occur. It must be

understood by the operator that common sense and caution are factors which cannot be built into

this product, but must be supplied by the operator.

SAVE THESE INSTRUCTIONS

You will need this manual for the safety warnings and precautions, assembly, operating,

inspection, maintenance and cleaning procedures, parts list and assembly diagram. Keep this

manual and invoice in a safe and dry place for future reference.