Northern Industrial Tools 1961202 User's Manual
Contents
1. De LAD Air Tools ITEM 41961202 1 2 Variable SpeedImpact Wrench USER S MANUAL Read carefully and understandRULES FOR SAFE OPERATION 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 _ 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 product is designed for certain 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 a particular 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 Drive Size 1 2 Air Consumption 5 6 CFM Free Speed 7000 RPM Air Inlet Diameter 1 4 18NPT Max Torque 300 ft lbs Max Air Pressure 90 PSI2. 3 Cap Screw 8 24 Rev Valve 1 4 Hammer Case 1 25 O ring 1 5 Cap Screw 1 26 Rear Cover Ring 1 6 Trigger Retainer 1 27 Back Cover l 7 Rev Valve Sleeve 1 28 Locking Pin 1 8 Trigger Shaft 1 29 Spring 1 9 Trigger 1 30 Reverse Button 1 10 Valve Seat 1 31 Screw 1 11 Throttle Valve 1 32 Spring Washer 8 12 Spring Valve I 33 Hammer Pin 2 13 Exhaust Deflector 1 34 Hammer 2 14 Inlet Bushing 1 35 Hammer Frame 1 15 Front end plate 1 36 Standard Anvil 1 16 Rotor 1 37 O ring 1 17 Rotor Vane 6 38 Socket Retainer Ring 1 18 Spring Pin 1 39 Anvil Bushing 1 19 Cylinder 1 40 Handle Grip 1 20 Spring Pin 1 41 Spring Washer 1 21 Rear End Plate 1 4of4
3. check therecommended torque specifications for thenut Youshould use a torque wrench to torquethe nut afterusing the impactwrench Loosening 1 Attach thecorrect size socketto the anvil 2 Set thecompressor s pressure regulatorto 90 PSI Do not setthe compressor s outlet regulator above 90 PSI 3 Connect the tool tothe air compressor s hose If aleak is detected disconnect the air hose and fix it before use 4 Place thesocket overthe nut toloosen 5 Grip thetool firmly Press the REVERSE BUTTON 30 to REVERSE step Press the trigger to startthe tool Caution Make sure thenut or bolt canwithstand the impact wrench sworking torque NOTE If the toolcannot loosen thenut DO NOT raise the outlet pressure ofthe air compressor When the nutis moved stop the tool by releasingthe trigger andremove the tool from the nut Remove the nutfrom the socket if needed MAINTENANCE A N WARNING Always disconnectthe air supplybefore attempting any maintenance After disconnecting the air supply squeeze the triggerto make sure no airremains in the unit 1 After eachuse wipe downthe impact wrenchwith a lint freecloth Do notuse solvents or harshdetergents toclean the tool 2 Make surethe air inletis clean ofdirt grease or debis 3 of 4 Diagram Part No Description Qty Part No Description Qty 1 Housing 1 22 Bearing 2 2 O ring 1 23 Rear Gasket 1
4. before threadingit into theinlet Connect the 3 8 ID airsource hose not included to aquick disconnect coupler not included andthen to thetool 2 Set theair pressure onyour compressor to 90 PSI Do not exceed the recommended air pressure of 90 PSI 3 Check theair connection forleaks 4 Disconnect fromthe air hoseuntil next instructed to reconnect Note Turn off your air compressorand disconnect theair hose when you are changing sockets After you attach the socket notincluded attach the air hose andturn the air compressor on i Select the appropriate size 1 2 socket foryour needs ii Push and snapthe socketonto the anvil iii Tightening The max workingtorque ofthe impact wrenchis 300ft Ibs It canbe adjusted from 115 ft lbs to300ft lbs Make surethat the nutor bolt youare using thetool totighten can withstand therated torque 2 of 4 1 Tighten thenut as faras you canby hand 2 Place thesocket onthe nut Pressthe REVERSE BUTTON 430 to FORWARD 1 2 3 You canget the differenttorque on different steps SeeFig 2 1 Press thetrigger to startthe tool 115 ft Ibs 190 ft lbs 300 ft lbs NOTE When changing thestep stop pressing the trigger 9 then adjustthe reverse button 30 NOTE 1 If thetool stalls whiletightening DO NOT raise the outlet pressure ofthe air compressor above 90 PSI 2 When thenut has beentightened removethe tool andsocket Do not overtighten 3 If available
5. 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 WARNINGS AND SAFETY RULES 1 Wear proper clothing Always use ANSI approved safety impact goggles when assembling orusing this tool Wear long sleeved shirts long pants and hard toed shoes Take off any loose fitting jewelry and keep long hair covered to prevent being caught in moving parts 2 Wear proper breathing protection Remember that a dust mask is not a breathing respirator Use arespirator that uses charcoal filters for the best protection 3 Keep work area clean and well lighted A dim and or cluttered work area invites personal injury 4 Keep children and pets awayfrom work areas Children can be a distraction and Should be supervised by an adult when near the work area Never allow children to play with this product even if itis turned off 5 Store idle tools properly Keep this tool out of the reach of children 6 Do not use the Tool if under the influence of alcohol or prescription drugs Doing so may cause damage to the tool or personal injury Do not use this or anytool if you are tired Use common sense at alltimes 7 Check fordamaged parts Before using this tool carefully check for any parts that may be missing or damaged and any other conditions that may affect the
6. operation of this tool Replace or repair damaged and worn parts immediately using only qualified repair facility 8 Always use the proper tools This tool was designed fora specific task Do not alter this tool or use it for a purpose for which it was not intended 9 Becareful when connecting disconnecting air supply It is recommended to use quick disconnects not included rather than screw on air connections 1 of 4 10 Usecompressed air only Clean dry regulated compressedair at 90 PSI Neveruse oxygen carbon dioxide combustible gases or any other bottled gasas a power source for this tool 11 Always disconnect air supplywhen this toolis not beingused NOTE The warnings cautions andinstructions discussed inthis instruction manual cannot coverall possible conditions and situations thatmay occur It mustbe understood bythe operator thatcommon sense andcaution are factors that cannot be built intothis product butmust be supplied by the operator NOTE READ ALL INSTRUCTIONS BEFOREUSING THIS PRODUCT OPERATION Set Up Regulator Recommended Air Line Components Fig 1 Z WARNING This impact wrenchsupplies powerful torque and itdesigned to beoperated with two hands Failure to operate thelmpact wrench withtwo hands may result inserious injury 1 Youwill need toprepare a 1 4 air connector notincluded to connectto the air inlet on thetool First wrapthe 1 4 airconnector with pipethread seal tape not included
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