Harbor Freight Tools 68128 operating instructions Air Supply, Recommended Air Line Components

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Air Supply

To prevent explosion:

Use only clean, dry, regulated, compressed air to power this tool. Do not use oxygen, carbon dioxide, combustible gases, or any other bottled gas as a power source for this tool.

MaleMale

ConnectorConnector

Tool

Quick

CouplerAir Hose

on Reel

Valve

Oiler

Filter

Air

Compressor

Regulator with

Pressure Gauge

Recommended Air Line Components

1.Incorporate a filter, regulator with pressure gauge, oiler, in-line shutoff valve, and quick coupler for best ser- vice, as shown in the diagram above.

An in-line shutoff ball valve is an important safety device because it controls the air supply even if the air hose is ruptured. The shutoff valve should be a ball valve be- cause it can be closed quickly.

Note: If an automatic oiler system is not used, add a few drops of Pneumatic Tool Oil to the airline connection be- fore operation. Add a few more drops after each hour of continual use.

2.Attach an air hose to the compres- sor’s air outlet. Connect the air hose to the air inlet of the tool. Other com- ponents, such as a connector and quick coupler, will make operation more efficient, but are not required.

WARNING! To prevent serious

injury from accidental operation:

Do not install a female quick coupler on the tool. Such a coupler contains an air valve that will allow the air tool to retain pressure and operate accidentally after the air supply is disconnected.

Note: Air flow, and therefore tool perfor- mance, can be hindered by under- sized air supply components.

3.The air hose must be long enough to reach the work area with enough extra length to allow free movement while working.

4.Close the in-line safety valve be- tween the compressor and the tool.

5.Turn on air compressor according to manufacturer’s directions and allow it to build up pressure until it cycles off.

6.Adjust the air compressor’s output regulator so that the air output is enough to properly power the tool, but the output will not exceed the tool’s maximum air pressure at any time. Adjust the pressure gradually, while checking the air output gauge to set the right pressure range.

7.Inspect the air connections for leaks. Repair any leaks found.

8.If the tool will not be used at this time, release the Trigger, close the shut-off valve, press the Trigger to discharge

SKU 68128

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

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Contents Pinless AIR Impact Wrench For technical questions or replacement parts, please callWork area Safety Alert Symbol and Signal WordsSave This Manual GeneralUse safety equipment. a Personal safetyTool use and care Min ServiceSymbol Definitions Air sourceVibration Precautions Specific Safety InstructionsInitial Tool Set Up Assembly SpecificationsUnpacking Recommended Air Line Components Air SupplyInjury from accidental operation General Operating Instructions Tool Set UpWork Piece and Work Area Set Up Operating InstructionsDo not exceed tool’s maximum air pressure rating 90 PSI User-Maintenance Instructions Problem Possible Causes Likely Solutions TroubleshootingSKU For technical questions, please call Part Description ’ty Parts ListRecord Product’s Serial Number Here Limited 1 Year warranty Assembly Diagram