Huawei WR 22SA User's Manual
Contents
1. A HAS B C D a JE al IH2. i eee vum 3 a b c
3. 1 S o eo a 4 2
4. 2 1 4 200 220 70 90
5. E English GENERAL SAFETY RULES WARNING Read all instructions Failure to follow all instructions listed below may result in electric shock fire and or serious injury The term power tool in all of the warnings listed below refers to your mains operated corded power tool or battery operated cordless power tool SAVE THESE INSTRUCTIONS 1 Work area 2 3 a b c Keep work area clean and well lit Cluttered and dark areas invite accidents Do not operate power tools in explosive atmospheres such as in the presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust of fumes Keep children and bystanders away while operating a power tool Distractions can cause you to lose control Electrical safety a b c d e Power tool plugs must match the outlet Never modify the plug in any way Do not use any adapter plugs with earthed grounded power tools Unmodified plugs and matching outlets will reduce risk of electric shock Avoid body contact with earthed or grounded surfaces such as pipes radiators
6. 1 CO A 1 1 o 5 L alo ed 1 B 19 Bia itt PER 22 23 24 26 27 29 30 32 35 36 kE HE IS ERE MERRER AY
7. EARE EAEE are AMDA oo d a A ENEG e sik f ee PENAN g EEE a ne m en c gt
8. 1 6 2 Es 3 7 8 a E 4 5 10 115 120 127 220 230 240 800 1800 4 M16 M22 M14 M24 610N m 62 2 lt 192K 4 8
9. 4 3 5 yu 4 4 FIR WARE 6 1 1
10. d e os f Ta 9 5 a 4
11. 22112 AFA 1 3 R KF L
12. English 2 Extension bar The extension bar is convenient for working in very restricted spaces or when the socket provided cannot reach the bolt to be tightened CAUTION When the extension bar is used the tightening torque is reduced slightly compared with the ordinary socket So it is necessary to operate the tool a little longer to get the same torque 3 Universal joint The universal joint is convenient for impacting nuts when there is an angle between the socket and wrench or when working in a very narrow space Optional accessories are subject to change without notice APPLICATIONS O Tightening and loosening various kinds of bolt and nut PRIOR TO OPERATION 1 1 2 10 Power source Ensure that the power source to be utilized conforms to the power requirements specified on the product nameplate Power switch Ensure that the power switch is in the OFF position If the plug is connected to a receptacle while the power switch is in the ON position the power tool will start operating immediately which could cause a serious accident Extension cord When the work area is removed from the power source use an extension cord of sufficient thickness an rated capacity The extension cord should be kept as short as practicable Fixing the side handle The position of the side handle attached to the hammer case can be changed by unscrewing the handle Right hand scr
13. oe 1 A 2 e 3 3 EJ 4 Lo 5 D O 1 Eo PREVI WRS ER 2 E 2
14. EZE Z GL 0 amp 6 6 800525 L a 3 g a 3 9 12 Hitachi Koki Co Ltd Code No C99137621 N Printed in Japan
15. HITACHI Impact Wrench WR 22SA HANDLING INSTRUCTIONS Read thro ugh carefully and understand these instructions befo Hitachi Koki CT ES 27777777 kg m 80 70 60 50 40 301 Nm M22 x 70 F 10T 800 Pin O Ring type Pin Hex socket Ring Anvil Plunger type Hole Plunger Spring Switch Rating Tightening time O O O O O O Tightening torque A 1 a b c 2 a b c d TZ e
16. ating part of the power tool may result in personal injury e Do not overreach Keep proper footing and balance at all times This enables better control of the power tool in unexpected situations f Dress properly Do not wear loose clothing or jewellery Keep your hair clothing and gloves away from moving parts Loose clothes jewellery or long hair can be caught in moving parts If devices are provided for the connection of dust extraction and collection facilities ensure these are connected and properly used Use of these devices can reduce dust related hazards 9 4 Power tool use and care a Do not force the power tool Use the correct power tool for your application The correct power tool will do the job better and safer at the rate for which it was designed Do not use the power tool if the switch does not turn it on and off Any power tool that cannot be controlled with the switch is dangerous and must be repaired c Disconnect the plug from the power source before making any adjustments changing accessories or storing power tools Such preventive safety measures reduce the risk of starting the power tool accidentally Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool Power tools are dangerous in the hands of untrained users e Maintain power tools Check for misalignment or binding of moving pa
17. ew Turn the handle to the desired position for the job and secure the handle by screwing up tight Mounting the socket Pin O ring type Fig 1 Select a socket matched to the bolt to be tightened or loosened Insert the socket on the anvil of the wrench and secure it with the pin and ring When dismantling the socket reverse the sequence Plunger type Fig 2 Align the plunger located in the square part of the anvil with the hole in the hex socket Then push the plunger and mount the hex socket on the anvil Check that the plunger is fully engaged in the hole When removing the socket reverse the sequence HOW TO USE 1 Operation of switch Fig 3 The switch in this machine functions as a motor switch and rotational direction selector switch When the switch is set to R indicated on the handle cover the motor rotates clockwise to tighten the bolt When the switch is set to L the motor rotates counterclockwise to loosen the bolt When the switch is released the motor stops CAUTION Be sure to turn the switch OFF and wait until the motor completely stops before changing the direction of wrench revolution Switching while the motor is rotating will result in burning the motor Tightening and loosening bolts A hex socket matching the bolt or nut must first be selected Then mount the socket on the anvil and grip the nut to be tightened with the hex socket Holding the wrench in line with the bolt press the powe
18. for the bolt Selecting the socket to be matched to the bolt Be sure to use a socket which is matched to the bolt to be tightened Using an improper socket will result not only in insufficient tightening but also in damage to the socket or nut A worn or deformed hex or square holed socket will not give an adequate tightness for fitting to the nut or anvil consequently resulting in loss of tightening torque Pay attention to wear of socket holes and replace before further wear developes Matching socket and bolt sizes are shown in Table 1 The numerical value of a socket designation denotes the side to side distance S of its hex hole 5 Holding the tool Hold the Impact Wrench firmly with both hands by the body handle and the side handle In this case hold the wrench in line with the bolt It is not necessary to push the wrench very hard Hold the wrench with a force just sufficient to counteract the impact force 6 Confirm the tightening torque The following factors contribute to a reduction of the tightening torque So confirm the actual tightening torque needed by screwing up some bolts before the job with a hand torque wrench Factors affecting the tightening torque are as follows 1 Line voltage The tightening torque decreases when the line voltage becomes low See Fig 4 2 Operating time The tightening torque increases when the operating time increases But the tightening torque does not increase above a certain value e
19. ghtened Should any of the screws be loose retighten them immediately Failure to do so could result in serious hazard English 3 Maintenance of the motor The motor unit winding is the very heart of the power tool Exercise due care to ensure the winding does not become damaged and or wet with oil or water 4 Inspecting the carbon brushes For your continued safety and electrical shock protection carbon brush inspection and replacement on this tool should ONLY be performed by a Hitachi Authorized Service Center 5 Replacing supply cord If the supply cord of Tool is damaged the Tool must be returned to Hitachi Authorized Service Center for the cord to be replaced 6 Service parts list A Item No B Code No C No Used D Remarks CAUTION Repair modification and inspection of Hitachi Power Tools must be carried out by a Hitachi Authorized Service Center This Parts List will be helpful if presented with the tool to the Hitachi Authorized Service Center when requesting repair or other maintenance In the operation and maintenance of power tools the safety regulations and standards prescribed in each country must be observed MODIFICATION Hitachi Power Tools are constantly being improved and modified to incorporate the latest technological advancements Accordingly some parts i e code numbers and or design may be changed without prior notice NOTE Due to HITACHI s continuing program of research and devel
20. opment the specifications herein are subject to change without prior notice 11 08 8c8 8 S9L ECE LE 829 026 9E 02025 GE 98xtyQq 769905 ve 096 EE 4OZ9 OVE ZE 30Z9 0bv Z ZE L 029 0 6 L ZE AOZ NOEZ AOZZ AOLL NIS DH MN BAS VNI N3A OLO VZE Z Le 8LO VZE L LE NIS DAH MN HAS WNI NIA 600 976 Z 08 LLO v2e L 0 OLxGQ 007 196 67 866 ECE 82 AOvZ AOOL O9E LZ AOEZ AOZZ 300 09 Z LZ NOLL D00 09 L LZ IZSAINIACOOZ9 qqd0 0c9 97 vLO vze 909 L ZLO LL6 GZ 8N 806 086 909 966 EZE tz 9L0O veE vos 666 EZE EC SLLEZE 809 L G66 ECE ZZ L 06 086 cos 2228069 228 069 12 909 C09 GLO cE LOS 608 986 07 8xGIN Z 171786 LG 6 66 6l LS GG GLO VZE 99 8vb 8le 8L VLL 1G6 GG 00 vze LL v0 666 v9 Zz 9L0 LL6 9L 628096 9 uSNWn 219266 GL 2 SNV LLS 266 L LG SNV YLxcq LOG 6V6 EL LOLA 190 886 2 09 LOO pzg cL 884 LZE ES6 09 200525 LL 189 86 6v 500726 OL 9LX A Z 091 586 8 LOE 8 99L 696 6 OLXSIN Z 6E8 LL8 Lv 500726 8 66 8c8 9v 191 656 ZL Gr Slel n 12026 9 TeSdZDAA809_ WAA 809 vr ELO VCE 1 9 Z6Lb L96 Er LO0 veE 9 Ec0 veE Cv 8 4 870 116 v Z80 896 Lv S Y 900 PZE 981 9LE OF 7 v66
21. r 7 Confirm whether the socket has any cracks in it has stoped when it is necessary to change the 8 Always hold the body and side handles of the direction of the rotation impact wrench firmly Otherwise the counterforce 4 Use a step up transformer when a long extension produced may result in inaccurate and even cable is used dangerous operation SPECIFICATIONS Voltage by areas Power input No load speed 110V 115V 120V 127V 220V 230V 240V 800 W 1800 min M16 M22 High tension bolt M14 M24 Ordinary bolt Maximum 610N m 62 2 kg m 19 mm 4 8 kg Be sure to check the nameplate on product as it is subject to change by areas xxTightening the bolt without extension cord at rated voltage Capacities size of bolts Tightening torque Angle drive Weight without cord STANDARD ACCESSORIES 1 Side handle du 2 Case 21 1 Standard accessories are subject to change without notice OPTIONAL ACCESSORIES sold separately Variety of sockets Although the Hitachi Impact Wrench is delivered with only one standard socket ample sockets are available to cover impact tightening of various sizes and types of bolts Be ES B 19 mm D le S gt Table 1 Ordinary Socket Long Socket Dimension mm Dimension mm D E D E Hex Socket 22 32 32 23 38 29 32 24 40 29 32 26 42 29 57 27 57 Socket Designation
22. r switch to impact the nut for several seconds If the nut is only loosely fitted to the bolt the bolt may turn with the nut therefore preventing proper tightening In this case stop impact on the nut and hold the bolt head with a wrench before restarting impact or manually tighten the bolt and nut to prevent them slipping OPERATIONAL CAUTIONS 1 Confirm the line voltage Fig 4 The available tightening torque is influenced by line voltage Reduced line voltage lowers the available tightening torque For example if you use a 220 V type wrench on a 200 V line the available tightening torque will be reduced to 70 to 90 When extending the power cord use an extension cord which is as short as possible When the line voltage is low and a long extension cord is needed a step up transfomer should be used The relation between the line voltage and the tightening torque are shown in the figures Do not touch the bumper or hammer case during continuous operation The bumper and hammer case become hot during continuous screw tightening so be careful not to touch them at that time Work at a tightening torque suitable for the bolt under impact The optimum tightening torque for nuts and bolts differs with material and size of the nuts and bolts An excessively large tightening torque for a small bolt may strech or break the bolt The tightening torque increases proportionally to the operating time Use the correct operating time
23. ranges and refrigerators There is an increased risk of electric shock if your body is earthed or grounded Do not expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock Do not abuse the cord Never use the cord for carrying pulling or unplugging the power tool Keep cord away from heat oil sharp edges or moving parts Damaged or entangled cords increase the risk of electric shock When operating a power tool outdoors use an extension cord suitable for outdoor use Use of a cord suitable for outdoor use reduces the risk of electric shock Personal safety a b c Stay alert watch what you are doing and use common sense when operating a power tool Do not use a power tool while you are tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury Use safety equipment Always wear eye protection Safety equipment such as dust mask non skid safety shoes hard hat or hearing protection used for appropriate conditions will reduce personal injuries Avoid accidental starting Ensure the switch is in the off position before plugging in Carrying power tools with your finger on the switch or plugging in power tools that have the switch on invites accidents d Remove any adjusting key or wrench before turning the power tool on A wrench or a key left attached to a rot
24. rts breakage of parts and any other condition that may affect the power tools operation If damaged have the power tool repaired before use Many accidents are caused by poorly maintained power tools f Keep cutting tools sharp and clean Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control Use the power tool accessories and tool bits etc in accordance with these instructions and in the manner intended for the particular type of power tool taking into account the working conditions and the work to be performed Use of the power tool for operations different from intended could result in a hazardous situation b d 9 5 Service al Have your power tool serviced by a qualified repair person using only identical replacement parts This will ensure that the safety of the power tool is maintained PRECAUTION Keep children and infirm persons away When not in use tools should be stored out of reach of children and infirm persons PRECAUTIONS ON USING IMPACT WRENCH 1 When using the tool at a hight make sure that there is nobody below English Confirm the tightening torque by a torque wrench before use in order to assertain the correct tightening torque to be used Assemble the socket securely to the impact wrench 2 Use earplugs if using for a long time use with the socket pin and ring 3 Switch the reversing switch only after the moto
25. ven if the tool is driven for a long time See Fig 4 3 Diameter of bolt The tightening torque differs with the diameter of the bolt as shown in Fig 4 Generally a larger diameter bolt has a larger tightening torque 4 Tightening conditions The tightening torque differs according to the torque ratio class and length of bolts even when bolts with the same size threads are used The tightening torque also differs according to the condition of the surface of metal through which the bolts are to be tightened 5 Using optional parts The tightening torque is reduced a little when an extension bar universal joint or a long socket is used Clearance of the socket A worn or deformed hex or a square holed socket will not give an adequate tightness to the fitting between the nut or anvil consequently resulting in loss of tightening torque Using an improper socket which does not match to the bolt will result in an insufficient tightening torque Matching socket and bolt sizes are shown in Table 1 6 MAINTENANCE AND INSPECTION 1 Inspecting the socket A worn or deformed hex or a square holed socket will not give an adequate tightness to the fitting between the nut or anvil consequently resulting in loss of tightening torque Pay attention to wear of socket holes periodically and replace with a new one if needed 2 Inspecting the mounting screws Regularly inspect all mounting screws and ensure that they are properly ti
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