Harbor Freight Tools 91044 User's Manual
Contents
1. Feeder Shoe Spring Rubber Cover Hex Bolt Valve Washer Washer Valve Seal Pin Screw O ring Safe Guide Magazine Valve Seat Trigger Spring Screw Screw Trigger Rail Bushing Seal Nut Washer Trigger Valve Head Plate O ring Spring Adjustment Knob Piston Assembly O ring Support O ring Trigger Valve Stem Latch Cylinder O ring Torsion Spring O ring Bumper A Trigger Valve Guide Spring Pin Bushing Nut Bumper B Screw Grip Sleeve Body Spring Washer O ring O ring Nut End Cap Base Washer Air Inlet Spring Washer Turn Plate A Washer PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER NOR 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 IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LI CENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION2. OF REPLACEMENT PARTS THERETO NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts REV 06 05 SKU 91044 For technical questions please call 1 800 444 3353 Page 11 Assembly Drawing REV 06 05 SKU 91044 For technical questions please call 1 800 444 3353 Page 12
3. WHEN RE LOADING OR DOING ANY OTHER MAINTENANCE ON THIS TOOL Other people in the work area must also wear ANSI approved impact safety goggles Loading Nails See FIGURE 2 on page 7 is 2 3 Note Slide the Tab 70 back and the Latch 83 will hold it in place Load a stick of nails into the top slot making sure the nail heads are facing up Be Careful When you pull back on the Latch 83 to release the Tab 70 it will spring forward with force Keep your fingers clear when you release the Latch 83 and slide the Tab 70 forward The Nailer may not work if there are only two or three nails left in the tool If there are only a few nails remaining simply load another strip of nails into the Magazine behind the few remaining nails and the Nailer will be ready for further use Rev 11 06 REV 06 05 SKU 91044 For technical questions please call 1 800 444 3353 Page 6 Operation continued Warning Disconnect the Nailer from the air compressor whenever loading or servicing FIGURE 1 FIGURE 2 Exhaust Cover 4 Latch 83 Safety 41 Magazine 76 FIGURE 3 FIGURE 4 Adjustment Knob 81 Angle Adjustment Holes d Hex Bolt LELE 40 21 28 34 FIGURE 5 FIGURE 6 REV 04 06 SKU 91044 For technical questions please call 1 800 444 3353 Page 7 Operation continued Operating the Nailer Note The Nailer may not work if there are only 2 or 3 nails left see Note on page 6 bottom 1 Se
4. CENTRAL PNEUMATIC ee lt N CONTRACTOR SERIES 6 IN 1 AIR FRAMING NAILER Model 91044 ASSEMBLY and OPERATING INSTRUCTIONS a a 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com TO PREVENT SERIOUS INJURY READ AND UNDERSTAND ALL WARNINGS AND INSTRUCTIONS BEFORE USE Copyright 2004 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 For technical questions and replacement parts please call 1 800 444 3353 Revised 07 04 Specifications Air Inlet 1 4 NPT Recommended Air Pressure 70 125 PSI Maximum Air Pressure 125 PSI Nail Type Approx 10 Gauge 0 113 amp 0 131 Dia Clipped or Full Head Nails 2 3 16 3 1 2 Length Safety Feature Full Sequential Actuation Magazine Capacity 21 60 Qty 28 and 34 100 Qty Air Consumption 8 12 CFM 90 PSI Includes 21 Full Head Nails 50 Qty 28 Clip Head Nails 50 Qty 34 Clip Head Nails 80 Qty Goggles Wrenches and Case 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 Save This Manual You will need the manual for the safety warnings and precautions assembly
5. ailer at a piece of scrap wood when testing Make sure the tool is disconnected from the power supply Completely empty the Magazine 76 of nails The Nailer should not fire if the Safety 41 is not depressed against the workpiece Make sure the Trigger 47 and Safety 41 move freely without sticking Connect the air supply to the tool at the Air Inlet 90 Set the regulator at the recom mended 70 to 125 PSI Test the tool by depressing the Safety 41 against the workpiece without pulling the Trigger 47 The Tool must not cycle fire If it cycles fires stop immediately and have it repaired by a qualified service technician Hold the tool away or off of the workpiece The Safety 41 of the tool should return to its original position Squeeze the Trigger 47 The tool should not cycle fire If the tool fires stop immediately and have it repaired by a qualified service technician Depress the Safety 41 against the workpiece and squeeze the Trigger 47 The tool must cycle fire only once Release the Trigger and squeeze it again The tool must not cycle fire With the Trigger held carefully lift the nailer 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 Warning Disconnect the Nailer from the air compressor whenever load ing or servicing ALWAYS WEAR ANSI APPROVED IMPACT SAFETY GOGGLES
6. gement or reflexes are impaired while taking drugs If there is any doubt do not operate the tool Use proper size and type extension cord If an extension cord is required it must be of the proper size and type to supply the correct current to the compressor without heating up Otherwise the extension cord could melt and catch fire or cause electrical damage to the tool Check your air compressor s manual for the appropriate size cord Maintenance For your safety maintenance should be performed regularly by a qualified technician Compressed air only Never use combustible gas as a power source Do not load nails with the trigger or safety depressed Unintentional firing may occur Do not load nails when the air hose is connected to the tool Always assume that the tool contains fasteners SKU 91044 For technical questions please call 1 800 444 3353 Page 3 22 23 24 25 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 Do not fire fasteners too close to the edge of a workpiece They may split the workpiece and fly free causing personal injury Disconnect air supply before loading Nailer Before reloading or making any adjustments to the Nailer make sure that the compressed air is disconnected Take caution as so
7. in the magazine pull the Tab 70 Figure 7 all the way back to the engaged position Using a screwdriver attempt to release the jammed nail by probing either or both of the two openings in the magazine see photo at right to release the nail Pull out the jammed nail and the remainder of the nail strip that is still in the magazine 4 Dispose of the remaining nail strip it may be bent or damaged in some other way Reload the maga zine with a new nail strip Probe in these areas with a Be careful When you pull back on the Latch 83 to screwdriver to release jammed nails release the Tab 70 it will spring forward with force Keep your fingers clear when you release the Latch 83 and slide the Tab 70 forward If you are unable to clear the nail jam using the method prescribed above the tool should be taken to a qualified service technician for proper servicing SKU 91044 For technical questions please call 1 800 444 3353 Page 9 Troubleshooting Any internal repair should be performed by an authorized service technician Symptom Cause Solution Top of tool or Trigger Loose Screws Verify screws are tight 47 leaks air Worn or damaged O rings or seals Check replace O rings or seals Sluggish operation or Inadequate air supply Use a compressor that delivers will not operate the proper CFM Inadequate lubrication Add air tool oil not incl Worn damaged O rings or seals Check replace O rings or seals Bot
8. instructions operating and maintenance procedures parts list and diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep the manual and invoice in a safe and dry place for future reference Safety Warnings and Precautions amp WARNING When using tool basic safety precautions should always be fol lowed to reduce the risk of personal injury and damage to equipment Read all instructions before using this tool 1 Keep work area clean Cluttered areas invite injuries 2 Observe work area conditions Do not use machines or power tools in damp or wet locations Don t expose to rain Keep work area well lit Do not use electrically powered tools in the presence of flammable gases or liquids 3 Keep children away Children must never be allowed in the work area Do not let them handle machines tools extension cords or air hoses 4 Store idle equipment When not in use tools must be stored in a dry location to inhibit rust Always lock up tools and keep out of reach of children 5 Use the right tool for the job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool There are certain applications for which this tool was designed It will do the job better and more safely at the rate for which it was intended Do not modify this tool and do not use this tool for a purpose for which it was not intended 6 Dress properly Do not wear loose c
9. is product but must be supplied by the operator Rev 11 06 SKU 91044 For technical questions please call 1 800 444 3353 Page 4 Unpacking When unpacking check to make sure the parts listed on page 11 are included If any parts are missing or broken please call Harbor Freight Tools at the number on the cover of this manual as soon as possible Operation Air 1a iN Line Vaive Oiler 37 Filter Nailer wa i l et AIR a oii COMPRESSOR Air Hose A 4 on Reel i Regulator Recommended Air Line Components i You will need to prepare a 1 4 air connector sold separately to connect to the air inlet on the Nailer First wrap the 1 4 air connector not included with pipe thread seal tape before threading it into the Air Inlet 90 Connect the 3 8 ID Air Source Hose to the Nailer Note If you are not using an automatic oiler system before operation add a few drops of Pneumatic Tool Oil to the airline connection Add a few drops more after each hour of continual use 2 Set the air pressure on your compressor to 70 to 125 PSI Do not exceed the maxi mum air pressure of 125 PSI 3 Check the air connection for leaks Disconnect the Nailer from the air source hose Rev 11 06 SKU 91044 For technical questions please call 1 800 444 3353 Page 5 Operation Testing the Full Sequential Safety Trip Mechanism Warning Even though the nailer should be empty during this procedure ol AOUN ALWAYS point the n
10. lothing or jewelry as they can be caught in moving parts Protective electrically nonconductive clothes and nonskid footwear are recommended when working Wear restrictive hair covering to contain long hair 7 Use eye and ear protection Always wear ANSI approved impact safety goggles Wear a full face shield if you are producing metal filings or wood chips Wear an ANSI approved dust mask or respirator when working around metal wood and chemical dusts and mists Other people in the work area must also wear ANSI approved impact safety goggles REV 06 05 REV 11 06 SKU 91044 For technical questions please call 1 800 444 3353 Page 2 10 11 12 13 14 15 16 17 18 19 20 21 Do not overreach Keep proper footing and balance at all times Do not reach over or across running machines or air hoses Maintain tools with care Keep tools clean for better and safer performance Follow instructions for lubricating and changing accessories Inspect tool cords and air hoses periodically and if damaged have them repaired by an authorized technician The handle must be kept clean dry and free from oil and grease at all times Do not operate a tool if any portion of the tool s operating controls are inoperable disconnected altered or not working properly Disconnect air supply Disconnect air hose when adding nails during maintenance and when not in use Remove adjusting keys and wrenches Check that key
11. me woods contain preservatives such as copper chromium arsenate CCA which can be toxic When stapling or nailing these materials extra care should be taken to avoid inhalation and minimize skin contact WARNING Some dust created by power sanding sawing grinding drilling and other 26 2h 28 construction activities contain chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are e Lead from lead based paints e Crystalline silica from bricks and cement or other masonry products e Arsenic and chromium from chemically treated lumber California Health amp Safety Code 25249 5 et seq Stay within air pressure capacity Never operate the Nailer above 125 PSI Hold tool away from head and body During operation the Nailer may kick back causing injury Transport Nailer safely Always disconnect air supply when moving the tool in the workplace Carry the tool by the handle and avoid contact with the trigger Note Performance of the compressor if powered by line voltage may vary depending on variations in local line voltage Extension cord usage may also affect tool performance Warning The warnings cautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be under stood by the operator that common sense and caution are factors which cannot be built into th
12. s and adjusting wrenches are removed from the tool or machine work surface before attaching to an air source Avoid unintentional starting Be sure the trigger is in the Off position when not in use and before plugging in Do not carry any tool with your finger on the trigger whether it is attached to an air source or not Do not point the tool towards yourself or anyone whether it contains fasteners or not Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired Check for damaged parts Before using any tool any part that appears damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment and binding of moving parts any broken parts or mounting fixtures and any other condition that may affect proper operation Any part that is damaged should be properly repaired or replaced by a qualified technician Do not use the tool if any the trigger does not operate properly Guard against electric shock Prevent body contact with grounded surfaces such as pipes radiators ranges and refrigerator enclosures Replacement parts and accessories When servicing use only identical replacement parts Use of any other parts will void the warranty Only use accessories intended for use with this tool Do not operate tool if under the influence of alcohol or drugs Read warning labels if taking prescription medicine to determine if your jud
13. t the proper angle of the Nailer for your application a three step process a Pull back and engage the Tab 70 exposing three adjustment holes Loosen the hex bolt and slide it into the appropriate hole 21 28 34 Retighten the hex bolt securely making sure it fits into the appropriate hole properly See FIGURE 3 Gently release the Tab 70 b Remove the Adjustment Knob 81 See FIGURE 4 Move the Magazine 76 so that the desired hole on the Plate 80 lines up with the nut on the Magazine 76 See FIGURE 5 Replace and tighten the Adjustment Knob 81 c Inspect the Pin s 34 location and compare it to FIGURE 6 If you are driving 21 angle nails the Pin should be in the lower hole position A If you are driving 28 or 34 angle nails the Pin should be in the upper hole position B If the Pin is in the wrong position pull the Pin 34 out it is held in place with a rubber washer reposition the Guide Plate 35 and reinsert and secure the Pin 34 Before using the nailer be sure that the Pin is properly secured 2 The driving depth of a nail can be adjusted in two ways First by increasing or de creasing air pressure never to exceed the maximum of 125 PSI Secondly by loos ening the Screw 37 and adjusting the Bracket A 38 We recommend you experi ment in a scrap piece of material to determine how far to adjust the unit 3 Attach the Nailer to the air supply at the Air Inlet 90 See FIGURE 1 Star
14. t your air compressor and make sure it is set to between the recommended 70 125 PSI and not over the maximum 125 PSI 4 To fire place the Safety 41 of the Nailer on the workpiece The Nailer should not fire if the Safety 41 is not depressed Once depressed quickly squeeze the Trigger 47 once Do not fire repeatedly nails could bounce off of one another causing in jury We recommend you practice with a piece of scrap material 5 The Exhaust Cover 4 may be turned to suit your preference See FIGURE 1 on page l 6 The Rubber Cover 42 provides a non marring surface If desired the Rubber Cover may be removed to expose the teeth on Safety 41 Doing so provides a nonslip surface and can improve accuracy 7 When finished disconnect the Nailer from the air source Rev 11 06 SKU 91044 For technical questions please call 1 800 444 3353 Page 8 Disconnect the Nailer from the air hose Empty the Magazine 76 completely Attempt to fire the Nailer into a piece of scrap wood to ensure that it is disconnected and is incapable of firing any nails Always leave the Magazine 76 open during maintenance The Magazine is spring loaded and may cause parts or a nail to fly out of the Nailer Clearing Jams ie Disconnect tool from air hose Always fire the trigger repeatedly to make sure all of the air is expended from the Nailer 2 If a nail is jammed in the discharge area simply remove it with pliers If a nail is jammed
15. tom of tool leaks air Loose Screws Verify screws are tight Worn damaged O rings seals Check replace O rings seals Frequent Jamming Incorrect fasteners Verify fastener size Damaged fasteners Replace fasteners Magazine 76 or Nose screw loose Tighten screws Dirt inside Magazine Clean Magazine Worn or damaged Driver Unit Inspect Driver Unit Note Contact Harbor Freight Tools for repair replacement parts Maintenance Disconnect the Nailer from the air source hose before attempting any maintenance iF Wipe tool clean with a lint free cloth and inspect it for damage Do not use the tool if you find damage Have it repaired by an authorized service technician 2 Always test the Full Sequential Safety mechanism before each use see page 6 Keep all screws tight Loose screws may damage the tool and cause personal injury Make sure that Base 29 is clear of all dirt or debris SKU 91044 For technical questions please call 1 800 444 3353 Page 10 Description Parts List Description Description Screw Screw Bushing Spring Washer Washer Screw Bushing Pin Washer Exhaust Cover Pin Turn Plate B Seal Screw Guide Plate Spring Bushing Coil Spring Spring Washer Screw Coil Spring Base Cylinder Cap Bracket A Pin OoOlI oINIoJAa BR Oo Pp Gasket Washer Screw O ring Screw Tab O ring Safety Bracket B
Download Pdf Manuals
Related Search