Makita 6920NB User's Manual
Contents
1. 14 15 16 17 18 19 20 REMOVE ADJUSTING KEYS AND WRENCHES Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on AVOID UNINTENTIONAL STARTING Don t carry tool with finger on switch Be sure switch is OFF when plugging in EXTENSION CORDS Make sure your extension cord is in good condition When using an extension cord be sure to use one heavy enough to carry the current your product will draw An undersized cord will cause a drop in line voltage resulting in loss of power and overheating Table 1 shows the correct size to use depending on cord length and nameplate ampere rating If in doubt use the next heavier gage The smaller the gage number the heavier the cord TABLE 1 MINIMUM GAGE FOR CORD SETS Total Length of Cord in Feet Ampere Rating More Not More AWG Than Than 0 6 18 16 14 6 10 18 14 42 10 12 16 14 12 12 16 14 Not Recommended OUTDOOR USE EXTENSION CORDS When tool is used outdoors use only extension cords intended for use outdoors and so marked STAY ALERT Watch what you are doing use common sense Don t operate tool when you are tired CHECK DAMAGED PARTS Before further use of the tool a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment of moving parts binding of moving parts breakage of parts mounting and2. 4 4 A A A Shear Wrench MODEL 6920NB MODEL 6922NB INSTRUCTION MANUAL a DOUBLE INSULATION SPECIFICATIONS No load speed Dimensions 5 8 3 4 60 kg m 26 241 mm x 84 mm x 246 mm A490 434 Ibs ft 9 1 2 x 3 5 16 x 9 11 16 5 8 3 4 718 82 kgm 249 mm x 84 mm x 252 mm A490 593 Ibs ft 9 13 16 x 3 5 16 x 9 15 16 E 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 4 3 kg 9 5 Ibs 6920NB 4 8 kg 10 6 tbs 6922NB IMPORTANT SAFETY INSTRUCTIONS For All Tools WARNING WHEN USING ELECTRIC TOOLS BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO REDUCE THE RISK OF FIRE ELECTRIC SHOCK AND PERSONAL INJURY INCLUDING THE FOLLOWING 1 READ ALL INSTRUCTIONS KEEP WORK AREA CLEAN Cluttered areas and benches invite injuries 2 CONSIDER WORK AREA ENVIRONMENT Don t use power tools in damp 10 11 12 13 or wet locations Keep work area well lit Don t expose power tools to rain Don t use tool in presence of flammable liquids or gases KEEP CHILDREN AWAY All visitors should be kept away from work area Don t let visitors contact tool or extension cord STORE IDLE TOOLS When not in use tools should be stored in dry and hig
3. ANSYS SSS X SASS MIELI hh KANNAN Press the tip ejector tip lever to eject the bolt tip from the tool Catch the sheared bolt tips to prevent them from falling dangerously below Keep the tips off of the ground floor walkways etc to prevent injury from tripping or falling A SSNAN ISSS SS Tip ejector Tip fever MAINTENANCE CAUTION Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance Replacing carbon brushes Remove and check the carbon brushes regularly Replace when they wear down to the limit mark Keep the carbon brushes clean and free to slip in the holders Both carbon brushes should be replaced at the same time Use only identical carbon brushes Limit mark Open the protector Use a screwdriver to remove the brush holder caps Take out the worn carbon brushes insert the new ones and secure the brush holder caps Screwdriver Brush holder cap To maintain product SAFETY and RELIABILITY repairs any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers always using Makita replacement parts Feb 10 94 US SHEAR WRENCH Model 6920NB Model 6922NB Note The switch noise suppressor and other part configurations may differ from country to country MODEL 6920N8 6922NB Feb 10 94 US ITEM NOS DESCRIPTION ITEM ep DESCRIPTION MACHINE MACHINE
4. any other conditions that may affect its operation A guard or other part that is damaged should be properly repaired or replaced by an authorized service center unless otherwise indicated elsewhere in this instruction manual Have defective switches replaced by authorized service center Don t use tool if switch does not turn it on and off GUARD AGAINST ELECTRIC SHOCK Prevent body contact with grounded surfaces For example pipes radiators ranges refrigerator enclosures 21 22 REPLACEMENT PARTS When servicing use only identical replacement parts POLARIZED PLUGS To reduce the risk of electric shock this equipment has a polarized plug one blade is wider than the other This plug will fit in a polarized outlet only one way If the plug does not fit fully in the outlet reverse the plug If it still does not fit contact a qualified electrician to install the proper outlet Do not change the plug in any way VOLTAGE WARNING Before connecting the tool to a power source receptacle outlet etc be sure the voltage supplied is the same as that specified on the nameplate of the tool A power source with voltage greater than that specified for the tool can result in SERIOUS INJURY to the user as well as damage to the tool If in doubt DO NOT PLUG IN THE TOOL Using a power source with voltage less than the nameplate rating is harmful to the motor ADDITIONAL SAFETY RULES 1 Always be sure you maintain good balan
5. dust masks that are specially designed to filter out microscopic particles MAKITA LIMITED ONE YEAR WARRANTY Warranty Policy Every Makita toot is Porong inspected and tested before leaving the factory Itis 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 e repairs have been made or attempted by others e repairs are required because of normal wear and tear e The tool has been abused misused of 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 BOTI DURING AND AFTER THE TERM OF THIS WARRANTY MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES 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 slate Some states do not allow the exclusion or limitation of
6. incidental or consequential damages so the above limilation or exctusicn 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 Japan 883878 A066 PRINTED IN JAPAN 1994 3 N
7. 1 4 Outer Sleeve 20 37 38 1 Bali Bearing 699 2 1 Inner Sleeve 3 4 38 Complete 39 1 Gear 3 1 Chip Rod 14 37 For 6920NB 4 1 Compression Spring 13 14 41 For 6922NB8 5 1 Compression Spring 25 40 4 Hax Socket Head Bolt M4x14 With Washer 5 1 Spro Lock Washer 41 1 Gear Casa Completes 60 For 6G920NB6 42 1 Rubber Pin 4 72 For 6922NB 43 1 Ball Bearing 6GO8LB 7 1 Outa Support 44 1 Spur Gear 34 B 1 inner Support Compista 45 1 Washer 617 9 1 Bell Basring 46 1 Rubbar Pin 4 6609 For 6920NB 47 1 Bal Bearing GOOOLLB 6811 For 6922NB 48 i Fan 55 10 1 Cartier 49 1 ARMATURE ASSEMBLY 11 4 Needle Cage With item 47 46 50 amp 62 813 For 6920NB 50 1 Ingutation Washer 1010 For 6922N8 51 1 Rubber Pin 4 12 4 Needie Cage 62 1 Ball Bearing 62718 B811 Ffor 6920NB 53 t Protector 1010 For 6922NB 54 2 Brush Holder Cap 13 4 Spur Gear 55 1 Carbon Brush 16 For 6920NB 66 1 Motor Housing Complete 20 For 6922N8 57 4 Hex Socket Head Bolt M4x35 With Washer 14 1 Washer 2542 58 4 Hex Socket Head Bolt M4x26 With Washer 5 4 Pin 59 1 Gear Housing Comptete 8 For 6920N8 60 1 FIELD ASSEMBLY 10 Fos 6922NB 61 1 Bailie Plate 16 2 Screw M amp xn8 62 1 Rubber Pin 4 17 4 Spur Gear 25 63 1 Gal Basing 60818 18 4 Ball Bearing 694 G4 1 Spur Gaar 18 19 4 Spur Gest 25 65 i Bali Bearing GOOOLLB 20 4 Noadis Caga B11 66 1 Rubber Pin 4 21 1 Spur Gear It 67 1 Spuai Bevel Gear 22 4 Pin 8 13 For 6920NE 23 1 Washer 2642 12 For 6922NB8 24 1 Spur Gear 14 68 1 Pin 4 25 4 Pin 4 69 2 Pan
8. Haad Screw M4x70 iVWith Washer 26 1 Washer 2542 70 1 Name Piate 2 1 Internal Gear 71 2 Hex Socket Head Bolt M4x25 With Washer 45 66 For 6920N8 72 2 Tapping Scraw 874x260 63 66 For 6922NB 73 2 Hex Socket Head Bolt M4x25 With Washer 28 1 Compression Sprung 4 74 1 Handle Set iWith hem 81 29 1 Bracket 76 2 Tapping Screw 4x18 30 1 Spiro Lock Washer 52 7 1 Swain Ratief 3 1 Fung 44 78 1 Switch 32 t Bak Bearing 6902 79 1 Switch Lever 33 2 Pan Head Scraw M4ui2 iWith Washerh 80 1 Chip Lever 34 4 Hex Sacket Head Bott U4at4 With Washer 81 t Handle Ser With hem 74 36 1 Rear Cover 82 1 Cord Guard 36 1 Stopper Piate 83 t Coid 37 t Rod Supportes m e S e a yi i a Note The switch and othe part specifications may diller trom Country to country 10 tee 11 tee WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of Califomia to cause cancer birth defects or other reproductive harm Some examples of these chemicals are e Lead from lead based paints Crystalline silica from bricks and cement and other masonry products and e Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those
9. ce and firm footing Be sure no one is below when using the tool in high or elevated locations 2 Use care and common sense when disposing of sheared bolt tips Falling tips from high locations or scattered tips can cause severe injury SAVE THESE INSTRUCTIONS tee nyo Removing or installing the outer and inner sleeves CAUTION e Always be sure that the tool is switched off and unplugged before removing or installing the outer and inner sleeves eBe careful not to allow foreign matter to enter the insides of the tool when removing or installing the outer and inner sleeves The outer sleeve M20 and inner sleeve 3 4 are factory installed If you need other sizes for your work replace the sleeves as follows Loosen the two screws while holding the Outer sleeve outer sleeve The outer and inner sleeves Screw will be pushed up by the springs built into the tool Press the pin down to remove the inner sleeve from the outer sleeve Be careful not to drop the inner sleeve when removing it Do not remove the inner sleeve spring tip rod and tip rod spring from the tool inner sleeve Pin Tip rod Tip rod spring Outer sleeve Inner sleeve spring Hold the inner sleeve with the pin facing upward Place the outer sleeve over the inner sleeve Press the pin to secure the inner sleeve Outer sleeve Pin Inner sleeve Insert the outer and inner sleeves into the tool while rotating the inner sleeve alternately c
10. h or locked up place out of reach of children DON T FORCE TOOL It will do the job better and safer at the rate for which it was intended USE RIGHT TOOL Don t force smali tool or attachment to do the job of a heavy duty tool Don t use tool for purpose not intended DRESS PROPERLY Don t wear foose clothing or jewelry They can be caught in moving parts Rubber gloves and non skid footwear are recommended when working outdoors Wear protective hair covering to contain long hair USE SAFETY GLASSES Also use face or dust mask if cutting operation is dusty DON T ABUSE CORD Never carry tool by cord or yank it to disconnect from receptacle Keep cord from heat oil and sharp edges SECURE WORK Use clamps or a vise to hold work It s safer than using your hand and it frees both hands to operate tool DON T OVERREACH Keep proper footing and balance at all times MAINTAIN TOOLS WITH CARE Keep tools sharp and clean for better and safer performance Follow instructions for lubricating and changing acces sories Inspect tool cords periodically and if damaged have repaired by autho rized service facility Inspect extension cords periodically and replace if damaged Keep handies dry clean and free from oil and grease DISCONNECT TOOLS When not in use before servicing and when chang ing accessories such as blades bits cutters rs at A ee vr Ade ee i HHE i nT ma i i agit tb i wd u
11. lockwise and counterclockwise until there is no gap between the outer sleeve and ie tool See the figure below Then tighten the two screws securely There should be no gap between the outer sleeve and the tool Outer sleeve Screw Switch action To start the tool simply pull the trigger Release the trigger to stop CAUTION Before plugging in the tool always check to see that the trigger switch actuates proper ly and returns to the OFF position when released Bolt installation Slip the tool onto the bolt so that the inner steeve completely covers the bolt tip inner sleeve SSSSS S55 ASS SSSA CAUTION Be careful when fitting the sleeve onto the bolt tip Striking the tip can damage it so that it will no longer fit inside the sleeve properly l C SSSSSSSSY SIEM OLE E SAAAASS SW Keep forward pressure on the tool while sliding it further forward until the outer sleeve fits completely over the nut If the tool fails to fit completely over the nut twist the tool slightly right and left while pushing forward Pull the trigger switch The outer sleeve turns to begin tightening the nut 3 ae ai Ha iih i When the specified torque is attained the bolt tip will be sheared at its notched por tion The bolt tip will remain inside the inner sleeve Notched portion SEC Bolt tip Release the trigger and withdraw the tool in a straight line Outer sleeve RSS SS SSS IMIDE HM
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