PNEUMATIC STAPLER 66874 SET UP AND OPERATING INSTRUCTIONS Distributed exclusively by Harbor Freight Tools®. 3491 Mission Oaks Blvd., Camarillo, CA 93011 Visit our website at: http://www.harborfreight.com Read and understand tool labels and manual. Failure to follow warnings could result in DEATH or SERIOUS INJURY. SAVE THIS MANUAL. Copyright© 2009 by Harbor Freight Tools®. All rights reserved.
SAVE THIS MANUAL NOTICE is used to address practices not related to personal injury. Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference.
tool. Distractions are able to result in the loss of control of the tool. g. Always wear hearing protection when using the tool. Prolonged exposure to high intensity noise is able to cause hearing loss. h. Do not attach the hose or tool to your body. Attach the hose to the structure to reduce the risk of loss of balance if the hose shifts. i. Always assume that the tool contains fasteners. Do not point the tool toward yourself or anyone whether it contains fasteners or not. j.
with the trigger is dangerous and must be repaired. d. e. Disconnect the tool from the air source before making adjustments, doing tool maintenance, clearing jams, touching the safety, leaving work area, loading, or unloading the tool. Such precautionary measures reduce the risk of injury to persons. 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.
SYMBOLS AND SPECIFIC SAFETY INSTRUCTIONS 2. Keep fingers away from Trigger when not driving staples to avoid accidental firing. 3. Release Trigger after firing. Failure to release Trigger while Stapler nose is still pressed down will cause continuous or “bump” firing. 4. Always assume tool contains staples. 5. Do not point tool toward yourself or anyone whether it contains staples or not. 6. Do not actuate tool unless the tool is placed firmly against the workpiece. 7.
14. Refer to the tool maintenance instructions for detailed information on the proper maintenance of the tool. 15. Fire staples into an appropriate work surface only. Do not attempt to fire staples into surfaces too hard to penetrate. Do not drive staples on top of other staples, or at too steep of an angle. Staples can ricochet causing personal injury. 16. Do not fire staples too close to the edge of a workpiece. They may split the workpiece and fly free, causing personal injury. 17. Transport Tool safely.
1. 2. Anyone using vibrating tools regularly or for an extended period should first be examined by a doctor and then have regular medical checkups to ensure medical problems are not being caused or worsened from use. Pregnant women or people who have impaired blood circulation to the hand, past hand injuries, nervous system disorders, diabetes, or Raynaud’s Disease should not use this tool.
supply even if the air hose is ruptured. Unpacking When unpacking, make sure that the item is intact and undamaged. If any parts are missing or broken, please call Harbor Freight Tools at 1-800-444-3353 as soon as possible. • This air tool may be shipped with a protective plug covering the air inlet. Remove this plug before set up. Note: If an automatic oiler system is not used, add a few drops of Pneumatic Tool Oil to the airline connection before operation.
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. 8. The air pressure setting must not exceed job site regulations/restrictions. The air pressure setting must not exceed 120 PSI. 9. Inspect the air connections for leaks. Repair any leaks found. 10.
3. Check that the Trigger and the Safety on the nose of the tool, move freely, without sticking. 4. Connect the air supply to the tool at the Air Plug and set at the recommended 60-100 PSI, and not over the maximum 120 PSI. 5. Test the tool by depressing the Safety on the nose of the tool against the workpiece without pulling the Trigger. The tool must not cycle (fire). If it cycles (fires), stop immediately and take the tool to a qualified service technician for repair. 6.
General Operating Instructions 1. 2. Test the Tool, as directed in the prior section, before each use. If an automatic oiler is not used, add a few drops of Pneumatic Tool Oil to the airline connection before use. Add a few drops more after each hour of continual use. 3. Grip the Handle (26) of the Stapler and press the Safety (29) against the surface you wish to staple. Be sure to keep hands, fingers and other body parts away from Safety. 4. Press the Trigger (24) to activate the Stapler. 5.
TO PREVENT EXPLOSION: Lubricate only with specified lubricants. Lubricate the air inlet using only pneumatic tool oil (see bottle included in case.) Lubricate the internal mechanism using only white lithium grease. Other lubricants may damage the mechanism and may be highly flammable, causing an explosion. Clearing Jams TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION, BEFORE ANY MAINTENANCE OR REPAIRS ARE DONE (including clearing jams): • Wear ANSI-approved safety goggles with side shields.
Troubleshooting Problem Insufficient fastener depth. Possible Causes 1. Incorrect tool depth setting. 2. Not enough air pressure. 3. Incorrect lubrication or not enough lubrication. 4. Blocked air inlet screen (if equipped). 5. Mechanism contaminated. Likely Solutions 1. Adjust depth setting, if available. 2. Check for loose connections and make sure that air supply is providing enough air pressure (PSI) to the tool’s air inlet. Do not exceed maximum air pressure. 3.
PARTS LIST Part 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Description Exhaust Collar Hex Head Bolt Spring Washer Deflector Packing Ring Seal Spring O-Ring Head Valve Piston O-Ring O-Ring Driver Unit O-Ring O-Ring Collar Cylinder O-Ring Bumper Joint Guide Seal Switch Spring Stepped Pin Q’ty 1 4 4 1 1 1 1 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 2 Part 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Description Trigger Housing Lock Nut End Cap Air Outlet Trigger Bracket Safety S
ASSEMBLY DIAGRAM SKU 66874 For technical questions, please call 1-800-444-3353.
90 Day Warranty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase.
