Northern Industrial Tools 1981202 User's Manual
Contents
1. SAVE THIS MANUAL You will need this manual for the safety warnings and precautions assembly operating inspection maintenance and cleaning procedures parts listand assembly diagram Keep this manual and invoice in a safe and dry place for future reference GENERAL SAFETY RULES Read and understand allinstructions Failure to follow all instructions listed inthe following pages may result in electric shock fire and or serious injury Work Area 1 Keep your work area clean and well lit Cluttered benches and dark areas invite accidents 2 Do not operate pneumatic tools in explosive atmospheres such as in the presence of flammable liquids gases or dust Pneumatic tools create sparks which may ignite flammables Keep bystanders children pets and onlookers awaywhile operating a pneumatic tool Distractions can cause you to lose control Protect others in the work area from debris such as metal filings and sparks Provide barriers orshields as needed WW Personal Safety 1 Stay alert Watch what you are doing and use common sense when operating a pneumatic tool Do notuse apneumatic tool while tired or under the influence of drugs alcohol or medication A moment of inattention while operating pneumatic tools mayresultin serious personal injury 2 Dress properly Do not wear loose clothing or jewelry Contain long hair Keep your hair clothing and gloves awayfrom moving parts Loose clothes jewelry orlon2. PretLAL Air Tools ITEM 1981202 1 2 BLACKNICKEL AIRIMPACTWRENCH USER S MANUAL Read carefully and understandRULES FOR SAFEOPERATION and instructions before operating Failureto follow thesafety rules andother basic safety precautions may resultin serious personal injury Made in China For technical questions and replacement parts please call 1 800 222 5381 Thank you very much for choosing a NORTHERN TOOL EQUIPMENT CO Product For future reference please complete the owner s record below Model a Purchase Date Save the receipt warranty and these instructions It is important that you read the entire instruction sheet to become familiar with this product before you begin using it This productis designed forcertain applications only Northern Tool Equipment strongly recommends that this product is not modified and or used for any application other than thatfor which it was designed If you have any questions relative to aparticular application DONOT use the product until you have first contacted Northern Tool Equipment to determine if it can or should be performed on the product Before using this product please read the following instructions carefully Technical Specifications Item Description Item Description Square Drive 1 2 Air Inlet Diameter 1 4 18NPT Free Speed 7500 RPM Min Hose Size 3 8 Max Torque 230 ft lbs Max air pressure 90 PSI Air Consumption 4 CFM
3. is detected disconnect the air hoseand fix itcorrect before use 4 Place the socket over thenut to loosen 5 Grip the tool firmly Press the REVERSE valve infrom the areaabove the trigger so that the REVERSE valve protrudes out the backof the housing Press the trigger to start the tool Caution Make sure thenut or boltcan withstand theimpact wrench s working torque NOTE gt If the toolcannot loosen thenut DO NOTraise the outletpressure of theair compressor gt When the nutis moved stopthe tool by releasing the triggerand remove the tool from the nut Remove the nutfrom the socketif needed Tightening The working torqueof the impactwrench is 230ft Ibs Make surethat the nut or boltyou are using the tool totighten can withstand the rated torque 1 Tightenthe nut asfar as youcan by hand 2 Place the socket on thenut Press the REVERSE valve forwardso it protrudes out the frontof the Housing Press the triggerto start the tool 3 of 5 NOTE gt If the toolstalls while tightening DO NOT raise the outletpressure of theair compressor above 90PSI gt When the nuthas been tightened remove the tooland socket Do not over tighten gt If available checkthe recommended torque specifications for the nut Youshould use atorque wrench totorque the nutafter using theimpact wrench INSPECTION MAINTENANCE AND CLEANING 1 Always make sure thetrigger is inits OFF position and disconnectthe tool from its compressed a
4. each of childrenand other untrained persons Tools are dangerous in thehands of untrained users Maintain tools with care Donot use adamaged tool Tag damaged tools Do not use until repaired Check for misalignmentor binding of moving parts breakages of parts damaged air hose not included and any other condition thatmay affect thetool s operation If damaged havethe tool serviced before using Many accidents arecaused by poorly maintained tools Use onlyaccessories that arerecommended by the manufacturer for your model Accessories that may be suitable for one tool may becomehazardous when usedon another tool aD N oo Service 1 Toolservice must be performed only by qualified repair personnel Service or maintenance performed byunqualified personnel couldresult in arisk of injury 2 When servicing atool use onlyidentical replacement parts Follow instructions in the Inspection Maintenanceand Cleaning sectionof this manual Use of unauthorized parts or failure to follow maintenanceinstructions may create a risk of injury SPECIFIC SAFETY RULES 1 Toavoid accidentalinjury always wear ANSI approved safety glasses a full face shield and hearing protection when operating the tool 2 Use clean dry regulated compressed air at90 PSI Donot exceedthe recommended 90 PSI Never use oxygen carbon dioxide combustible gases or any otherbottled gas asa power source for this tool 3 When connectingto the airsupp
5. g hair can be caught in moving parts lof5 3 Avoid accidental starting Be surethe trigger is off before connectingto the air supply Carrying pneumatictools with your finger onthe trigger or connecting pneumatic tools to the airsupply with the Trigger on invites accidents 4 Remove adjusting keys or wrenches beforeturning on thetool A wrenchor a key that is left attachedto a rotating part of thetool mayresult in personalinjury 5 Do notoverreach Keep proper footingand balance atall times Properfooting and balance enables better controlof the toolin unexpected situations 6 Use safety equipment Always wear ANSI approved safetyglasses underneath a full face shield and hearing protection Use and Care 1 Use clampsor other practical ways tosecure and support thework piece to a stable platform Holding thework byhand is unstableand may leadto loss ofcontrol Only work on aworkpiece that is properly secured 2 Do notforce the tool Use thecorrect tool for your application The correct tool will do the jobbetter and safer at therate forwhich it is designed 3 Do notuse the power tool ifthe trigger doesnot turn iton or off Any toolthat cannot be controlled withthe Triggeris dangerous and must be replaced 4 Disconnect theair hose fromthe tool before making anyadjustments changing accessories or storingthe tool Suchpreventive safety measures reducethe risk of starting the tool accidentally 5 Store idletools out ofr
6. he tooland clean theinner structure underproper instructions gt Check and fixthe throttle lever or startingtrigger for accurate operation gt Check the airleakage and fixit under properinstruction gt Replace new bearing gt Replace the damaged O ring or putit back incorrect position gt Oil Lubricate the tool consistently untilit gains theright speed andtorque NOTE For anyother special troubles which cannot besettled down by the operator please contact theselling agent fromwhom you purchasedthe tool 4of5 Diagram 1 2 Dr Air Impact Wrench Part No Description Part No Description Qty 1 Housing 23 Ball Bearing 2 2 Valve Sleeve 24 Cylinder 3 Reverse valve 25 Rotor 4 Trigger 26 Rotor Blade 6 5 Spring Pin 27 Front End Blade 6 Valve Stem 28 Front DowelPin 7 Valve seat 29 Rear end Plate 8 Steel Ball 30 Rear Dowel Pin 9 Spring Bil Rear Gasket 10 Air Inlet 32 Back Cover TI Air Regulator 33 Spring Washer 4 12 O ring 34 Cap Screw 4 13 Set Screw 35 Stop Pin 14 Spring 36 Spring Pin 15 Anvil Bushing 37 Set Screw 16 Anvil collar 38 Exhaust Deflect 17 O ring 39 Tapping Screw 2 18 Standard Anvil 40 Plug 19 Hammer Cage 41 Nose Rubber 20 Hammer Pin 42 Protect Ring 71 Hammer Dog 43 O ring 22 Drive Cam 5 of 5
7. irsupply before performingany inspection adjustments maintenance or cleaning 2 Before eachuse inspect the general condition ofthe tool Checkfor loose screws misalignment or bindingof moving parts cracked or broken parts damaged air hose and any othercondition that mayaffect its safeoperation If abnormal noise or vibration occurs have the problemcorrected before further use Do notuse damaged equipment 3 Daily Witha clean cloth remove alldirt oil and greasefrom the tool If necessary you mayuse a mild detergent Do notuse solvents asdamaged to thetool mayoccur Do not immersethe tool inany liquids GENERAL TOUBLE SHOOTING TROUBLES gt Tool doesnot run ata normal speedor at a variable speed gt The motor blocks gt Automatic start when connected to compressed air gt Torque reduces gt Abnormal vibrating Easyhot rising atthe housing CAUSES gt Air supply isnot enough airpressure not ina required standard gt Speed controller switch breaks down gt Rotor blades break or wearout gt Dust gets intothe motor gt Throttle leveror starting trigger malfunctions gt Air leakage atthe inlet orsomewhere else gt Bearing damages gt Correspondent O rings wearout or outof position gt Lack of lubricating TROUBLE SHOOTING gt Check the airhose to see whether it is blocked or twisted for less air supply gt Check the aircompressor to gainthe correct airpressure required gt Replace rotorblades gt Disassemble t
8. ly Prior toeach use ifan automatic oileris not used add twodrops of airtool oil notincluded into theair inlet fitting of the tool 4 Always disconnect the toolfrom its compressed air supplysource and squeeze the Trigger to release allcompressed air inthe tool before performing anymaintenance or service 2 of 5 5 The warnings precautions and instructions discussed in this manual can notcover all possible conditions and situations that may occur The operatormust understand that common senseand caution arefactors which cannotbe built intothis product but must besupplied by theoperator ASSEMBLY AND OPERATING INSTRUCTIONS To attach a quick connector ZA WARNING Prior to performingany assembly and oradjustment procedures make sure theair supply hose notincluded is disconnectedfrom the impact wrench 1 Prior touse the impactwrench requires theattachment of a quick connector into its air inlet To doso wrap approximately 3 of pipe thread sealertape not included around the malethreads of aquick connector Then firmly tighten the quick connector into the air inlet Air Hosa Line Valve Oller S Filter a Air L Alr Hose on Reel Regulator Recommended Air Line Components Fig 1 Loosening 1 Attach the correct size socketto the anvil 2 Set the compressor s pressure regulatorto 90 PSI Do not setthe compressor s outlet regulator above 90PSI 3 Connect the tool to the air compressor s hose If leakage
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