Northern Industrial Tools NORTHERN INDUSTRIAL BLACK NICKEL AIR IMPACT WRENCH Maintenance

Models: NORTHERN INDUSTRIAL BLACK NICKEL AIR IMPACT WRENCH

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3.Set the forward/reverse lever to the left, so that the anvil turns clockwise (forward).

4.Turn on the air compressor, confirm the compressor’s pressure regulator is set to 90 PSI, and connect the compressor hose to the air ratchet wrench at the air inlet (29).

5.Place the socket (not included) over the nut you wish to tighten.

6.Grip the impact wrench firmly with two hands and gently squeeze the trigger.

7.When the nut is tightened, release the trigger. Turn off the air compressor and disconnect the hose.

8.If necessary, check the recommended torque specification for the nut and use a manual torque wrench to achieve the proper setting.

MAINTENANCEWARNING: If the impact wrench cannot tighten, or loosen, the nut to your satisfaction, do not raise the air pressure on the compressor over 90 PSI. Pressures above 90 PSI will strip the workpiece and damage the tool, potentially causing the tool to fail, causing serious injury. Use other appropriate methods and tools to tighten the nut.

Loosening

9.Set the forward/reverse ever to the right, so that the anvil turns counterclockwise (reverse).

10.Place the socket (not included) over the nut you wish to loosen.

11.Grip the impact wrench firmly with two hands and gently squeeze the trigger.

12.When the nut is loosened, release the trigger. Turn off the air compressor and disconnect the hose.

MAINTENANCE

Manual backgroundWARNING: Make sure this tool is disconnected from its air source and squeeze the trigger to release all compressed air in the tool before attempting any maintenance, cleaning, or inspection.

￿Maintain your tools. It is recommended that the general condition of any tool be examined before each use. Keep your tools in good repair by adopting a program of conscientious repair and maintenance in accordance with the recommended procedures found in this manual. If any abnormal vibrations or noise occurs, turn the tool off immediately and have the problem corrected before further use. Have necessary repairs made by qualified service personnel.

￿Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control. Keep handles dry, clean, and free from oil and grease.

￿Cleaning. Use a clean cloth to remove all dirt, oil, and grease from the tool after each use. If necessary, you may use a mild detergent. Do not use solvents, as damage to the tool may occur. Do not immerse the tool in any liquids.

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Northern Industrial Tools NORTHERN INDUSTRIAL BLACK NICKEL AIR IMPACT WRENCH owner manual Maintenance