OPERATING INSTRUCTIONS

Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product.

Inspect tool before use, looking for damaged, loose, and missing parts. If any problems are found, do not use tool until repaired.

Tool Set Up

TO PREVENT SERIOUS INJURY

FROM ACCIDENTAL OPERATION:

Turn off the tool, detach the air supply, safely discharge any residual air pressure in the tool, and release the throttle and/or turn the switch to its off position before performing any inspection, maintenance, or cleaning procedures.

TO PREVENT SERIOUS INJURY:

Do not adjust or tamper with any control or component in a way not specifically explained within this manual. Improper adjustment can result in tool failure or other serious hazards.

1.To install a bit (with 1/8” shank), loosen the Clamping Nut (22), slide the bit’s shank through the Clamping Nut and through the 1/8” Collet (21).

2.Tighten finger tight, then use the two

Collet Nut Wrenches, one on the top of the Clamping Nut, and the other on the Collet Holder (18) and tighten the tip securely.

Work Piece and Work Area Set Up

1.Designate a work area that is clean and well-lit. The work area must not allow access by children or pets to prevent injury and distraction.

2.Route the air hose along a safe route to reach the work area without creat- ing a tripping hazard or exposing the air hose to possible damage. The air hose must be long enough to reach the work area with enough extra length to allow free movement while working.

3.Secure loose workpieces using a vise or clamps (not included) to prevent movement while working.

4.There must not be hazardous ob- jects (such as utility lines or foreign objects) nearby that will present a hazard while working.

General Operating Instructions

1.If an automatic oiler is not used, add a few drops of Pneumatic Tool Oil to the air-line connection before use.

Add a few more drops after each hour of continual use.

2.Have the desired bit installed in the end of the grinder and secured.

3.Wear ANSI-approved safety glasses.

4.Ensure that the Control Ring (3) is in the “OFF” position. Plug the Male Coupler Plug to an air compressor.

SKU 97870

For technical questions, please call 1-800-444-3353.

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Harbor Freight Tools 97870 operating instructions Operating Instructions, Tool Set Up, Work Piece and Work Area Set Up