2-in-1 finish nailer/stapler Model 66902 Set up and Operating Instructions Visit our website at: http://www.harborfreight.com Read this material before using this product. Failure to do so can result in serious injury. Save this manual. Copyright© 2009 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools.
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 Symbol Definitions Symbol Property or statement PSI Pounds per square inch of pressure CFM Cubic Feet per Minute flow SCFM Cubic Feet per Minute flow at standard conditions NPT National pipe thread, tapered NPS National pipe thread, straight WARNING marking concerning Risk of Eye Injury. Wear ANSI-approved eye protection. Warning marking concerning Risk of Puncture Injury. Wear heavy-duty work gloves. Read the manual before set-up and/ or use.
14. Fire fasteners into an appropriate work surface only. Do not attempt to fire fasteners into surfaces too hard to penetrate. Do not drive fasteners on top of other fasteners, or at too steep of an angle. Fasteners can ricochet causing personal injury. birth defects or other reproductive harm.
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. If you feel any symptoms related to vibration (such as tingling, numbness, and white or blue fingers), seek medical advice as soon as possible. 2. Do not smoke during use.
Note: For additional information regarding the parts listed in the following pages, refer to the Assembly Diagram near the end of this manual. Unpacking When unpacking, make sure item is intact and undamaged. If any parts are missing or broken, call Harbor Freight Tools at 1-800-444-3353. • This air tool may be shipped with a protective plug covering the air inlet. Remove this plug before set up. the diagram above.
7. 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. 8. The air pressure setting must not exceed job site regulations/restrictions. The air pressure setting must not exceed 90 PSI when being used with work pieces that have a thickness of less than 1-3/4”. 9.
held, carefully lift the tool and press it against the workpiece again. The tool must not cycle (fire). If it fails to perform in the manner explained in bold, have it repaired by a qualified service technician. Full Sequential Safety Trip Mechanism Testing Procedure To prevent serious injury from accidental operation: Empty the tool before this procedure. Point the tool at a piece of scrap wood when testing. 1. Disconnect the tool from the air supply. 2. Empty the Magazine of fasteners. 3.
3. 4. Insert the required size Fasteners (3/4” - 2” L 16-gauge Brad Nails or 1/2” - 1-1/2” L18-gauge Crown Narrow Staples) into the Magazine. use the supplied Plastic Cap (86) on the Safety. 8. If the tool requires more force to accomplish the task, verify that the tool receives sufficient, unobstructed airflow (CFM) and increase the pressure (PSI) output of the regulator up to the maximum air pressure rating of this tool.
• Wear ANSI-approved safety goggles with side shields. Other people in the work area 1. must also wear ANSI-approved impact safety goggles. • Release the trigger. • Detach the air supply. • Attempt to fire the Tool into a piece of scrap wood to ensure that it is disconnected and is incapable of firing any fasteners. • Empty the magazine and leave it open during service. The Magazine is spring-loaded and may cause parts or a fastener to fly out of the Tool.
back to the engaged position. Use a screwdriver to release the jammed fastener by probing the openings in the magazine. 3. remaining fastener strip; it may be bent or damaged in some other way. 4. Pull out the jammed fastener and the remainder of the fastener strip that is still in the magazine. Dispose of the If unable to clear jam using the method prescribed above, the tool should be repaired by a qualified service technician. Troubleshooting Problem Insufficient fastener depth. Possible Causes 1.
Parts List Part 1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Description Shoulder Screw Exhaust Deflector O-Ring Spring Washer Hex Bolt Head Cap O-Ring Gasket Seal Spring Head Valve Piston O-Ring O-Ring O-Ring Collar O-Ring O-Ring Driver Unit O-Ring Cylinder O-Ring Bumper Body Nozzle Seal Upper Trigger Valve O-Ring O-Ring Trigger Valve Piston O-Ring O-Ring Spring Trigger Plunger O-Ring O-Ring Lower Trigger Valve Pin Spring Trig
ASSEMBLY DIAGRAM PLEASE READ THE FOLLOWING CAREFULLY The manufacturer and/or distributor has provided the parts list and assembly diagram in this manual as a reference tool only. Neither the manufacturer or distributor makes any representation or warranty of any kind to the buyer that he or she is qualified to make any repairs to the product, or that he or she is qualified to replace any parts of the product.
Limited 1 Year 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 one year from the date of purchase (90 days if used by a professional contractor or if used as rental equipment).
