Harbor Freight Tools 91773 operating instructions Tool use and care

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tool while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating the tool increases the risk of injury to persons.

b.Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long hair increases the risk of injury to persons as a result of being caught in moving parts.

c.Avoid unintentional starting. Be sure the switch is off before connecting to the air supply. Do not carry the tool with your finger on the switch or connect the tool to the air supply with the switch on.

d.Do not overreach. Keep proper footing and balance at all times. Proper footing and balance enables better control of the tool in unexpected situations.

e.Use safety equipment. A dust mask, non-skid safety shoes and a hard hat must be used for the applicable

conditions. Wear heavy-duty work gloves during use.

f.Always wear eye protection. Wear ANSI-approved safety goggles.

g.Always wear hearing protection when using the tool. Prolonged exposure to high intensity noise is able to

cause hearing loss.

Tool use and care

a.Use clamps or another practical way to secure and support the workpiece to a stable platform. Holding the work

by hand or against the body is unstable and is able to lead to loss of control.

b.Do not force the tool. Use the correct tool for the application. The correct tool will do the job better and safer at the rate for which the tool is designed.

c.Do not use the tool if the trigger does not turn the tool on or off. Any tool that cannot be controlled with the trigger is dangerous and must be repaired.

d.Disconnect the tool from the air source before making any adjustments, changing accessories, or storing the tool. Such preventive safety measures reduce the risk of starting the tool unintentionally. Turn off and detach the air supply, safely discharge any residual air pressure, and release the throttle and/or turn the switch to its off position before leaving the work area.

e.Store the tool when it is idle out of reach of children and other untrained persons. A tool is dangerous in the hands of untrained users.

f.Maintain the tool with care. Keep a cutting tool sharp and clean. A properly maintained tool, with sharp cutting edges reduces the risk of binding and is easier to control.

g.Check for misalignment or binding of moving parts, breakage of parts, and any other condition that affects the tool’s operation. If damaged, have the tool serviced before using. Many accidents are caused by poorly maintained tools. There is a risk of bursting if the tool is damaged.

h.Use only accessories that are identified by the manufacturer for the specific tool model. Use of an accessory not intended for use with the

REV 10f

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

SKU 91773

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Contents For technical questions or replacement parts, please call 4 x 17-1/2 Air Inline SanderContents Safety Alert Symbol and Signal Words Personal safetySave This Manual GeneralTool use and care Service Specific Safety InstructionsAir source MinVibration Precautions For technical questions, please call Assembly Nitial Tool Set UpFunctional Description Ball valve because it can be closed quickly Injury from accidental operationInstalling Sandpaper Tool Set UpOperating Instructions Work Piece and Work Area Set Up General Operating InstructionsDo not exceed the tool’s maximum air pressure rating SKU For technical questions, please callUser-Maintenance Instructions Cleaning, Maintenance, LubricationProblem Possible Causes Likely Solutions TroubleshootingPlease Read the Following Carefully Parts list and Assembly Diagram Part DescriptionQty Part Description QtyLimited 1 Year warranty Record Product’s Serial Number Here