Makita AN621 User's Manual
Contents
1. JILOUICLLL Construction Coil Nailer MODEL AN621 INSTRUCTION MANUAL if f i SPECIFICATIONS Air pressure Nail capacity Applicable length 45 mm 50 mm 57 mm 65 mm 1 3 4 2 2 1 4 2 1 2 Dimensions L x W x H 310 mm x 133 mm x 305 mm 12 3 16 x 5 1 4 x 12 0 44 0 83 MPa 65 120 PSIG 200 250 300 pcs Min hose diameter Net weight 6 5 mm 1 4 2 8 kg 6 2 Ibs x Manufacturer reserves the right to change specifications without notice Note Specifications may differ from country to country WARNING For your personal safety READ and UNDERSTAND before using SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE IMPORTANT SAFETY INSTRUCTIONS WARNING WHEN USING THIS TOOL BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO REDUCE THE RISK OF PERSONAL INJURY INCLUDING THE FOLLOWING READ ALL INSTRUCTIONS e For personal safety and proper operation and maintenance of the tool read this instruction manual carefully before using the tool e Always wear safety glasses to protect your eyes from dust or nail injury The safety glasses should conform with the require ments of ANSI Z87 1 1979 Safety glasses WARNING It is an employer s responsibility to enforce the use of safety eye protection equipment by the tool operators and by other persons in the immediate working area eWear hearing protection to protect your2. as short as possible to assure continuous efficient nailing operation With an air pressure of 0 49 MPa 70 PSIG an air hose with an internal diameter of over 6 5 mm 1 4 and a length of less than 20 m 66 ft is recommended when the interval between each nailing is 0 5 seconds Air supply hoses shall have a minimum working pressure rating of 1 06 MPa 150 PSIG or 150 percent of the maximum pressure produced in the system whichever is higher CAUTION Low air output of the compressor or a long or smaller diameter air hose in relation to the nailing frequency may cause a decrease in the driving capability of the tool Lubrication To insure maximum performance install an air set oiler regulator air filter as close as possible to the tool Adjust the oiler so that one drop of oil will be provided for every 50 nails ok a When an air set is not used oil the tool with pneu matic tool oil by placing 2 two or 3 three drops into the air fitting This should be done before and after Pneumatic use For proper lubrication the too must be fired a tool oil couple of times after pneumatic tool oil is introduced 11 Selecting wire plastic collated coii According to the type of collated coil set the change lever ae Change lever ee Wire n Plastic collated 3 collated coil coil Loading nailer CAUTION Always lock the trigger and disconnect the hose before loading the nailer e Make sure
3. ears against exhaust noise and head pro tection Also wear light but not loose cloth k Hearing ing Sleeves should be buttoned or rolled proeetion up No necktie should be worn e Rushing the job or forcing the tool is dan gerous Handle the tool carefully Do not operate when under the influence of alco hol drugs or the like e General Tool Handling Guidelines 1 NO on amp NO e An improperly functioning tool must not be used Sparks sometimes fly when the tool is used Do not use the tool near volatile flammable materials such as gasoline thin ner paint gas adhesives etc they will ignite and explode causing serious injury e The area should be sufficiently illuminated to assure safe operations The area should be clear and litter free Be especially careful to maintain good footing and balance Always assume that the tool contains fasteners Do not point the tool toward yourself or anyone whether it contains fasteners or not Do not actuate the tool unless the tool is placed firmly against the workpiece Respect the tool as a working implement No horseplay Do not hold or carry the tool with a finger on the trigger Do not load the tool with fasteners when any one of the operating controls is activated Do not operate the tool with any power source other than that specified in the tool operating safety instructions e Only those involved in the work should be in
4. on top of another nail or strike a knot in the wood The nail may be thrown and hit someone or the tool itself can react dangerously Piace the nails with care Do not leave the loaded tool or the air com pressor under pressure for a long time out in the sun Be sure that dust sand chips and foreign matter will not enter the tool in the place where you leave it setting e Do not point the ejection port at anyone in the vicinity Keep hands and feet away from the ejection port area e When the air hose is connected do not carry the tool with your finger on the trigger or hand it to someone in this condition Accidental firing can be extremely dan gerous e Handle the tool carefully as there is high pressure inside the tool that can be danger ous if a crack is caused by rough handling dropping or striking Do not attempt to carve or engrave on the tool e Stop nailing operations immediately if you notice something wrong or out of the ordi nary with the tool e Always disconnect the air hose and remove all of the nails 1 When unattended 2 Before performing any maintenance or repair 3 Before cleaning a jam 4 Before moving the tool to a new location e Perform cleaning and maintenance right after finishing the job Keep the tool in tip top condition Lubricate moving parts to prevent rusting and minimize friction re lated wear Wipe off all dust from the parts e When not operating the tool alway
5. INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A SPECIFIC PURPOSE AFTER THE ONE YEAR TERM OF THIS WARRANTY This Warranty gives you specific legal rights and you may also have other rights which vary from state to state Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you Some states do not allow limitation on how long an implied warranty lasts so the above limitation may not apply to you Makita Corporation 3 11 8 Sumiyoshi cho Anjo Aichi 446 8502 Japan 884369 8 PRINTED IN JAPAN 2000 11N
6. e the hose away from obstacles which it may become dangerously caught on during operation Hoses must also be directed away from sharp edges and areas which may lead to damage or abrasion to the hose To maintain product SAFETY and RELIABILITY maintenance and repairs should be performed by Makita Authorized or Factory Service Centers always using Makita replacement parts 18 Se a MAKITA LIMITED ONE YEAR WARRANTY Warranty Policy Every Makita tool is es id inspected and tested before leaving the factory It is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase Should any trouble develop during this one year period return the COMPLETE tool freight prepaid to one of Makita s Factory or Authorized Service Centers If inspection shows the trouble is caused by defective workmanship or material Makita will repair or at our option replace without charge This Warranty does not apply where repairs have been made or attempted by others repairs are required because of normal wear and tear e The tool has been abused misused or improperly maintained e alterations have been made to the tool IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT INCIDENTAL OR CON SEQUENTIAL DAMAGES FROM THE SALE OR USE OF THE PRODUCT THIS DISCLAIMER APPLIES BOTH DURING AND AFTER THE TERM OF THIS WARRANTY MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES
7. ighten as re quired Make sure all safety systems are in working order before operation The tool must not operate if only the trigger is pulled or if only the contact element is pressed against the wood It must work only when both actions are performed Test for possible faulty operation with nails unloaded Entering dirt or foreign matter into the tool may cause damage to the tool Make sure that the trigger is locked when the change lever is set to the LOCK position Change lever Trigger lock 16 When not in use lock the trigger and disconnet the hose Then cap the air fitting with the cap When the tool is not to be used for an extended period of time lubricate the tool using pneumatic tool oil and store the tool in a safe place Avoid exposure to direct sunlight and or a humid or hot environment Iron dust that adhere to the magnet can be blown off by using an air duster Maintenance of compressor air set and air hose After operation always drain the compressor tank and the air filter If moisture is alowed to enter the tool it may result in poor performance and possible too failure Drain cock 17 Check regularly to see if there is sufficient pneumatic oil in the oiler of the air set Failure to maintain suffi cient lubrication will cause O rings to wear quickly Keep the air hose away from heat over 60 C over 140 F away from chemicals thinner strong acids or alkalis Also rout
8. l must not operate if only the trigger is pulled or if only the contact element is pressed against the wood It must work only when both actions are performed Test for possible faulty oper ation with nails unloaded e Make sure that the trigger is locked when the change lever is set to the LOCK posi tion Change lever Trigger lock eCheck walis ceilings floors roofing and the like carefully to avoid possible electrical shock gas leakage explosions etc caused by striking live wires conduits or gas pipes Gas pipe e Use only nails specified in this manual The use of any other nails may cause malfunc tion of the tool e Do not permit those uninstructed to use the tool e Make sure no one is nearby before nailing Never attempt to nail from both the inside and outside at the same time Nails may rip through and or fly off presenting a grave danger eWatch your footing and maintain your balance with the tool Make sure there is no one below when working in high locations and secure the air hose to prevent danger if there is sudden jerking or catching e On rooftops and other high locations nail as you move forward It is easy to lose your footing if you nail while inching backward When nailing against perpendicular sur face nail from the top to the bottom You can perform nailing operations with less fatigue by doing so e A nail will be bent or the tool can become jammed if you mistakenly nail
9. nts to the number 8 decrease the air pressure Generally speak ing the tool service life will be longer when the tool is used with lower air pressure and the adjuster set to a lower number Connecting air hose Lock the trigger Slip the air socket of the air hose onto the air fitting on the nailer Be sure that the air socket locks firmly into position when installed onto the air fitting A hose coupling must be installed on or near the tool in such a way that the pressure reservoir will discharge at the time the air supply coupling is dis connected Operation 1 To drive a nail you may place the contact element against the workpiece and pull the trigger or 2 Puil the trigger first and then place the contact ele ment against the workpiece No 1 method is for intermittent nailing when you wish to drive a nail carefully and very accurately No 2 method is for continuous nailing Contact element Air socket Air fitting 13 Continuous nailing and trigger locking method For continuous nailing set the change lever to the Continuous Nailing position For locking the trig ger set the change lever to the Lock position Always make sure that the change lever is properly set to the position Change lever Trigger lock CAUTION Operating the tool without nails shortens the life of the tool and shouid be avoided Air exhaust Air exhaust direction can be changed easily by rotat ing the exhau
10. s lock the trigger by turning the change lever to the LOCK position Change lever Trigger lock e Do not operate this tool if it does not con tain a legible WARNING LABEL Do not modify tool without authorization from Makita e Ask Makita s Factory or Authorized service center for periodical inspection of the tool e To maintain product SAFETY and RELIA BILITY maintenance and repairs should be performed by Makita Authorized or Factory Service Centers always using Makita re placement parts SAVE THESE INSTRUCTIONS 10 TOOL INSTALLATION INSTRUCTIONS AND USE Selecting compressor The air compressor must comply with the require ments of ANSI B19 3 1981 Select a compressor that has ample pressure and air output to assure cost efficient operation The graph shows the relation between nailing frequency applica ble pressure and compressor air output Thus for example if nailing takes place at a rate of approxi mately 40 times per minute at a compression of 0 49 MPa 70 PSIG a compressor with an air output over 2 ft minute is required Pressure regulators must be used to limit air pressure to the rated pressure of the tool where air supply pressure exceeds the tool s rated 10 2 30 40 pressure Faiiure to do so may result in serious injury Nailing frequency to tool operator or persons in the vicinity ftmin Compressor air output per minute Selecting air hose Use an air hose as large and
11. st cover Change it when necessary Jammed nailer CAUTION Always lock the trigger disconnect the hose and remove the nails from the magazine before cleaning a jam When the nailer becomes jammed proceed as fol lows Open the door and magazine cap and remove the nail coil Insert a small rod or the like into the ejection port and tap it with a hammer to drive out the nail jam ming the ejection port Reset the nail coil and close the magazine cap and door Small rod Hook The hook is convenient for hanging the tool tempo rarily This hook can be installed on either side of the tool CAUTION e Always lock the trigger and disconnect the hose when hanging the tool using the hook Always tighten the hook securing bolt firmly Loose bolt may cause air leakage from the tool 14 e Never hang the tool on a waist belt or the like Dangerous accidental firing may result Nails Handle nail coils and their box carefuily If the nail coils have been handled roughly they may be out of shape or their connector breaks causing poor nail feed Avoid storing nails in a very humid or hot place or place exposed to direct sunlight 15 _ MAINTENANCE CAUTION Always be sure that the trigger is locked and the air hose is disconnected from the tool before attempting to perform inspection or maintenance Maintenance of nailer Always check the tool for its overall condition and loose screws before operation T
12. that nails are collated firmly and are not bent Select nails suitable for your work Pull the tever of the magazine cap and open the magazine cap Lift and turn the coil support plate to set it to the gradu ations of the magazine If the tool is operated with the coil support plate set to the wrong step poor nail feed or malfunction of the tool may result Place the nail coil over the coil support plate Uncoil enough nails to reach the feed ciaw Place the first nail in the driver channel and the second nail in the feed claw The nail heads must be in the slot in the feeder body Place other uncoiled nails on feeder body and attach them to the magnet Be sure that nails are in the feeder claw and are not bent Then close the magazine cap Vine i a HA j ith l Koi Feeder body 12 _ Adjusting depth of nailing CAUTION Always lock the trigger and disconnect the hose before adjusting the depth of nailing To adjust the depth of nailing turn the adjuster so that the arrow above the adjuster will point to the number indicated on the adjuster The depth of nailing is the deepest when the arrow points to the number t It will become shallower as the arrow points to higher number The depth can be changed in approx 1 0 mm 1 32 increments per graduation If nails cannot be driven deep enough even when the arrow points to the number 1 increase the air pressure If nails are driven too deep even when the arrow pai
13. the vicinity Children especially must be kept away at all times e There may be local regulations concerning noise which must be complied with by keeping noise levels within prescribed limits In certain cases shutters should be used to contain noise e Do not play with the contact eiement it prevents accidental discharge so it must be kept on and not removed Securing the trigger in the ON position is also very dan gerous Never attempt to fasten the trigger Do not operate a tool if any portion of the tool operating controls is inoperable dis connected altered or not working prop erly Contact element e Operate the tool within the specified air pressure of 0 44 0 83 MPa 65 120 0 83 MPa 0 83 MPa PSIG for safety and longer tool life Do not 120 PSIG 120 PSIG exceed the recommended max operating pressure of 0 83 MPa 120 PSIG The tool should not be connected to a source whose pressure potentially exceeds 1 37 MPa 200 PSIG e Never use the tool with other than com pressed air If bottled gas carbon dioxide oxgen nitrogen hydrogen air etc or com bustible gas hydrogen propane acety lene etc is used as a power source for this tool the tool will explode and cause serious COMPRESSED injury AIR Always check the tool for its overall condi tion and loose screws before operation Tighten as required e Make sure all safety systems are in working order before operation The too
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