Makita Grinder 9077SL User's Manual
Contents
1. 001185 9077SL Grip 38 Wheel guard Inner flange 89 Depressed center grinding wheel Multi disc Lock nut 5 8 40 Plastic pad j NI ON aj BJ j N Flex vvheel Rubber pad 170 co Abrasive disc o Sanding lock nut 5 8 48 Wire wheel brush N Urethane washer 14 co Wire cup brush Lock nut wrench 28 a a a a ae ea miro Makita U S A Inc 14930 Northam Street La Mirada CA 90638 5753 RE ee ge ei ee ee ES MAIL THIS PORTION Your answers to the following questions are appreciated 1 This product was purchased from 3 How did you learn about this product Home Center Other Magazine Radio Hardware Lumber Store From Dealer Exhibition Tool Distributor Newspaper From Friend Industrial Supply Store Display Previous Usage Construction Supply Catalog Other 2 Use of the product is intended for 4 Most favored points are Construction Trade Design Repair Service Industrial Maintenance Features Durability Home Maintenance Size Power Hobby Price Other Other Makita Brand 5 Any comments DATE PURCHASED MODEL NO MONTH SERIAL NO STATUS SEX INTL LAST NAME COMPANY Married Si2. Taa kita pq Angle Grinder 180 mm 7 MODEL 9077SL DOUBLE INSULATION INSTRUCTION MANUAL A WARNING For your personal safety READ and UNDERSTAND before using SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE www makitatools com SPECIFICATIONS model 9077SL No load speed RPM 6 000 min Overall length 484 mm 19 Net weight 5 3 kg 11 6 Ibs Spindle thread 5 8 e Specifications may differ from country to country GENERAL SAFETY RULES Manufacturer reserves the right to change specifications without notice For All Tools A WARNING Read and understand all USA002 2 instructions Failure to follow all instructions listed below may result in electric shock fire and or serious personal injury SAVE THESE INSTRUCTIONS Work Area 1 Keep your work area clean and well lit Cluttered benches and dark areas invite acci dents 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 or fumes Keep bystanders children and visitors away while operating a power tool Distrac tions can cause you to lose control Elecirical Safety 4 Double insulated tools are equipped with 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 st
3. Douglas Ave Suite 1302 Altamonte Springs FL 32714 407 774 6000 750 East Sample Road Pompano Beach FL 33064 954 781 6333 Thompson Center Waters 5501 VV Waters Ave Ste 406 Tampa FL 33634 813 886 8292 GEORGIA 4680 River Green Parkway Duluth GA 30096 2566 770 476 8911 HAWAII 4510 Salt Lake Blvd Suite A7 Honolulu HI 96818 808 847 0038 ILLINOIS 1450 Feehanville Dr Mt Prospect IL 60056 6011 847 297 3100 INDIANA 8403 Michigan Road Unit 1 Indianapolis IN 46268 317 334 9980 KANSAS 8819 W 95th St Overland Park KS 66212 913 642 1111 CUSTOMER S RECORD KENTUCKY 1215 S Hurstbourne Parkway Louisville KY 40222 502 326 3740 LOUSIANA 5626 Jefferson Hwy Harahan LA 70123 504 733 4138 MARYLAND 7541 45 Ritchie Highway Glen Burnie MD 21061 410 590 0160 MASSACHUSETTS 232 Providence Hwy Westwood MA 02090 617 461 9754 MICHIGAN 37454 Ann Arbor Trail Livonia MI 48150 313 432 1012 MINNESOTA 6427 Penn Ave South Richfield MN 55423 612 869 5199 MISSOURI 9876 Watson Road St Louis MO 63126 2221 314 909 9889 NEBRASKA 4129 S 84th St Omaha NE 68127 402 597 2925 NEVADA 3375 S Decatur Blvd Suites 22 24 Las Vegas NV 89102 702 368 4277 NEW JERSEY 251 Herrod Blvd Dayton NJ 08810 1539 609 655 1212 NEW MEXICO 5805 Menaul Blvd NE Albuquerque NM 87110 505 881 4619 NEW YORK 4917 Genessee Street Cheektowaga NY 1
4. operation it may be extremely hot and could burn your skin ALWAYS wear proper apparel including long sleeve shirts leather gloves and shop aprons to protect skin from contact with hot grindings Use of this tool to grind or sand some products paints and wood could expose user to dust containing hazardous sub stances Use appropriate respiratory pro tection SAVE THESE INSTRUCTIONS A WARNING MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury SYMBOLS The followings show the symbols used for tool V ssscosesszeessciiceness volts a arvactectesat amperes HZ hertz cia OS EER alternating current USD201 2 Nasi no load speed El aussi inssises Class Il Construction AMI revolutions or reciprocation per minute FUNCTIONAL DESCRIPTION 001027 1 Shaft lock 001031 1 Amark 2 Motor housing 3 Lock button 4 Handle 001042 1 Switch trigger 2 Lock lever A CAUTION e Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool Shaft lock A CAUTION e Never actuate the shaft lock when the spindle is moving The tool may be damaged Press the shaft lock to prevent spindle rotation when install ing or removing accessories Switch handle mounting positions The switch handle can be rotated to either 90 left or right to fit your work needs First unplug the tool P
5. 4225 716 685 9503 131 35 31st Ave Flushing NY 11354 718 886 0971 NORTH CAROLINA 3501 G S Tryon St Charlotte NC 28217 704 527 0611 OHIO 6253 E Main St Columbus OH 43213 614 860 0222 6379 Pearl Road Parma Heights OH 44130 440 843 7555 1617 E Kemper Rd Sharonville OH 45246 613 771 0788 OKLAHOMA 552 E Memorial Road Oklahoma City OK 73114 405 752 2655 OREGON 828 19th Avenue N W Portland OR 97209 603 222 1823 PENNSYLVANIA Springwater Plaza 364 Wilmington W Chester Pike Glen Mills PA 19342 610 459 4122 6200 Babcock Blvd Pittsburgh PA 15237 412 366 6363 PUERTO RICO 200 Guayama St Hato Rey PR 00917 787 250 8776 TENNESSEE 4655 Nolensville Rd Nashville TN 37211 615 331 9922 TEXAS 12801 Stemmons Fwy Ste 809 Farmers Branch TX 75234 972 243 1150 12701 Directors Dr Stafford TX 77477 3701 281 565 8665 3453 IH 35 North Ste 101 San Antonio TX 78219 210 228 0676 UTAH 145 E 1300 S Ste 101 Salt Lake City UT 84115 801 359 3410 VIRGINIA 5760 Northampton Blvd Ste 102 Virginia Beach VA 23455 757 460 0280 WASHINGTON 22220 84th Ave So Bldg A Kent WA 98032 253 395 8055 WISCONSIN Lincoln Plaza Shopping Ctr 2245 S 108th St West Allis WI 53227 414 541 4776 with your tool When you need service Send complete tool prepaid to one of the Makita Factory Service Centers listed or to an Author
6. ce 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 or improperly maintained e alterations have been made to the tool IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT INCIDENTAL OR CONSEQUENTIAL 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 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 form 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 884236B069
7. ct size to use depending on cord length and nameplate ampere rating If in doubt use the next heavier gage The smaller the gage num ber the heavier the cord Table 1 Minimum gage for cord Ampere Rating Volts Total length of cord in feet 120 V 25 ft 50 ft 100 ft 150 ft More Than Not More Than AWG 0 6 18 16 16 14 6 10 18 16 14 12 10 12 16 16 14 12 12 16 14 12 Not Recommended SPECIFIC SAFETY RULES DO NOT let comfort or familiarity with product gained from repeated use replace strict adherence to grinder safety rules If you use this tool unsafely or incorrectly you can suffer serious USB005 3 personal injury 1 Alvvays use proper guard vvith grinding wheel A guard protects operator from bro ken wheel fragments When using depressed center grinding wheels be sure to use only fiberglass reinforced wheels 2 Accessories must be rated for at least the Always use safety glasses or goggles speed recommended on the tool warning Ordinary eye or sun glasses are NOT label Wheels and other accessories running safety glasses Oxer rated speed can Ny apart and cause Check the wheel carefully for cracks or injury damage before operation Replace 3 Hold tool by insulated gripping surfaces cracked or damaged wheel immediately when performing an operation where the cutting tool may contact hidden wiring or its own cord Contact with a live wire will ma
8. e commutator it will automatically shut off the motor When this occurs both carbon brushes should be replaced 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 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 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 A CAUTION e These accessories or attachments are recommended for use with your Makita tool specified in this manual The use of any other accessories or attachments might present a risk of injury to persons Only use accessory or attachment for its stated purpose e Your tool is supplied with a guard for use with a depressed center grinding wheel multi disc flex wheel and wire wheel brush If you decide to use your Makita grinder with approved accessories which you purchase from your Makita distributor or factory service center be sure to obtain and use all necessary fasteners and guards as recommended in this manual Your failure to do so could result in personal injury to you and others If you need any assistance for more details regarding these accessories ask your local Makita service center 11 12 w A qa 12
9. guard must be fitted on the tool so that the closed side of the guard always points toward the operator Loosen the lever on the wheel guard Mount the wheel guard with the protrusion on the wheel guard band aligned with the notch on the bearing box Then rotate the wheel guard around 180 degrees Tighten the lever to fasten the wheel guard If the lever is too tight or too loosen to fasten the wheel guard loosen or tighten the screw to adjust the tight ening of the wheel guard band To remove wheel guard follow the installation procedure in reverse Installing or removing depressed center grinding wheel Multi disc A WARNING e Always use supplied guard when depressed center grinding wheel Multi disc is on tool Wheel can shatter during use and guard helps to reduce chances of personal injury Mount the inner flange onto the spindle Fit the wheel disc on the inner flange and screw the lock nut onto the spindle 001089 1 Lock nut wrench 2 Shaft lock 001102 1 Lock nut 2 Flex wheel 3 Plastic pad 4 Inner flange 001113 1 Lock nut 2 Abrasive disc 3 Rubber pad OPERATION To tighten the lock nut press the shaft lock firmly so that the spindle cannot revolve then use the lock nut wrench and securely tighten clockwise To remove the wheel follow the installation procedure in reverse Installing or removing flex wheel optional accessory A WARNING e Always use supplied guard when fle
10. ill does not fit contact a qualified elec trician to install a polarized outlet Do not change the plug in any way Double insula tion E eliminates the need for the three wire grounded power cord and grounded power supply system Avoid body contact with grounded sur faces such as pipes radiators ranges and refrigerators There is an increased risk of electric shock if your body is 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 to carry the tools or pull the plug from an outlet Keep cord away from heat oil sharp edges or moving parts Replace damaged cords immediately Damaged cords increase the risk of electric shock When operating a power tool outside use an outdoor extension cord marked W A or W These cords are rated for outdoor use and reduce the risk of electric shock Personal Safety 9 10 11 12 13 14 Stay alert watch what you are doing and use common sense when operating a power tool Do not use tool while tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury Dress properly Do not wear loose cloth ing or jewelry Contain long hair Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in movi
11. ized Makita Service Center Be sure to attach a letter to the outside of the carton detailing the problem Date Purchased Dealer s Name amp Address Model No Serial No 15 WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are e lead from lead based paints e 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 dust masks that are specially designed to filter out microscopic particles MAKITA LIMITED ONE YEAR WARRANTY Warranty Policy Every Makita tool is thoroughly 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 repla
12. ke exposed metal parts of the tool live and shock the operator Run the tool with guard at no load for about a minute holding tool away from others If wheel is flawed it will likely sep arate during this test Use only flanges specified for this tool 10 11 12 13 14 Be careful not to damage the spindle the flange especially the installing surface or the lock nut Damage to these parts could result in wheel breakage NEVER use tool with wood cutting blades or other sawblades Such blades when used on a grinder frequently kick and cause loss of control leading to personal injury Hold the tool firmly Keep hands away from rotating parts Make sure cord is clear of wheel Do not wrap cord around your arm or wrist If control of tool is lost cord may become wrapped around you and cause personal injury Make sure the wheel is not contacting the workpiece before the switch is turned on Before using the tool on an actual work piece let it run for a while Watch for vibration or wobbling that could indicate 15 16 17 18 19 20 poor installation or a poorly balanced wheel Use the specified surface of the wheel to perform the grinding Watch out for flying sparks Hold the tool so that sparks fly away from you and other persons or flammable materials Do not leave the tool running Operate the tool only when hand held Do not touch the workpiece immediately after
13. l accidentally Store idle tools out of reach of children and other untrained persons Tools are dangerous in the hands of untrained users Maintain tools with care Keep cutting tools sharp and clean Properly maintained tools with sharp cutting edges are less likely to bind and are easier to control Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the tools operation If damaged have the tool ser viced before using Many accidents are caused by poorly maintained tools Use only accessories that are recom mended by the manufacturer for your model Accessories that may be suitable for one tool may become hazardous when used on another tool SERVICE 23 Tool service must be performed only by qualified repair personnel Service or main tenance performed by unqualified personnel could result in a risk of injury 3 24 When servicing a tool use only identical replacement parts Follow instructions in the Maintenance section of this manual Use of unauthorized parts or failure to follow Maintenance instructions may create a risk of electric shock or injury USE PROPER EXTENSION CORD 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 corre
14. ng parts Avoid accidental starting Be sure switch is off before plugging in Carrying tools with your finger on the switch or plugging in tools that have the switch on invites accidents Remove adjusting keys or wrenches before turning the tool on A wrench or a key that is left attached to a rotating part of the tool may result in personal injury Do not overreach Keep proper footing and balance at all times Proper footing and balance enables better control of the tool in unexpected situations Use safety equipment Always wear eye protection Dust mask non skid safety shoes hard hat or hearing protection must be used for appropriate conditions Ordinary eye or sun glasses are NOT eye protection Tool Use and Care 15 16 17 18 19 20 21 22 Use clamps or other practical way to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control Do not force tool Use the correct tool for your application The correct tool will do the job better and safer at the rate for which it is designed Do not use tool if switch does not turn it on or off Any tool that cannot be controlled with the switch is dangerous and must be repaired Disconnect the plug from the power source before making any adjustments changing accessories or storing the tool Such preventive safety measures reduce the risk of starting the too
15. ngle M F STREET ADRESS Under 19 BE SURE TO COMPLETE THE CUSTOMER S PORTION OF THIS FORM AND RETAIN FOR YOUR RECORDS Please return this portion by facsimile or mail Facsimile No 714 522 8133 eee DDD FACTORY SERVICE CENTERS 1 800 4 MAKITA RETAIN THIS PORTION FOR YOUR RECORDS ALABAMA 2365 Pelham Parkway Pelham AL 35124 205 620 1791 ARIZONA 3707 E Broadway Rd Ste 6 Phoenix AZ 85040 602 437 2850 ARKANSAS Shackleford Shopping Center 240 South Shackleford Rd Ste C Little Roch AR 72211 501 224 5733 CALIFORNIA 41850 Christy St Fremont CA 94538 5107 610 657 9881 1421 N Clovis Ave Ste 112 Fresno CA 93727 559 252 5166 14930 Northam St La Mirada CA 90638 5753 714 522 8088 1970 Fulton Avenue Sacramento CA 95825 916 482 5197 1440 South E Street San Bernardino CA 92408 909 885 1289 7674 Clairemont Mesa Blvd San Diego CA 92111 858 278 4471 1714 E MeFadden Ave Unit M Santa Ana CA 92705 714 667 5066 1565 Winchester B Campbell CA 95008 0501 408 379 0377 16735 Saticoy St Ste 105 Van Nuys CA 91406 818 782 2440 COLORADO 11839 E 51st Ave Denver CO 80239 2709 303 371 2850 CONNECTICUT 508 Spring St Windsor Locks CT 06096 860 292 6405 FLORIDA 620
16. ress the lock but ton and rotate the switch handle until the A mark on the lock button is aligned with that on the motor housing The switch handle will be locked in that position Switch action A CAUTION e Before plugging in the tool always check to see that the switch trigger actuates properly and returns to the OFF position when released e Switch can be locked in ON position for ease of operator comfort during extended use Apply caution when locking tool in ON position and maintain firm grasp on tool To start the tool simply pull the switch trigger Release the switch trigger to stop For continuous operation pull the switch trigger and then push in the lock lever To stop the tool from the locked position pull the switch trigger fully then release it ASSEMBLY 001058 001065 RON Wheel guard Screw Lever Bearing box 001077 Lock nut Depressed center grinding wheel Multi disc Inner flange A CAUTION e Always be sure that the tool is switched off and unplugged before carrying out any work on the tool Installing side grip handle A CAUTION e Always be sure that the side grip is installed securely before operation Screw the side grip securely on the position of the tool as shown in the figure Installing or removing wheel guard A CAUTION e When using a depressed center grinding wheel Multi disc flex wheel or wire wheel brush the wheel
17. ter operation always switch off the tool and wait until the wheel has come to a complete stop before putting the tool down Grinding and sanding operation ALWAYS hold the tool firmly with one hand on rear handle and the other on the side handle Turn the tool on and then apply the wheel or disc to the workpiece In general keep the edge of the wheel or disc at an angle of about 15 degrees to the workpiece surface During the break in period with a new wheel do not work the grinder in the B direction or it will cut into the workpiece Once the edge of the wheel has been rounded off by use the wheel may be worked in both A and B direction Operation with wire cup brush optional accessory A CAUTION e Check operation of brush by running tool with no load insuring that no one is in front of or in line with brush e Do not use brush that is damaged or which is out of balance Use of damaged brush could increase potential for injury from contact with broken brush wires Unplug tool and place it upside down allowing easy access to spindle Remove any accessories on spindle Mount ure thane washer then thread wire cup brush onto spindle and tighten with supplied wrench When using brush avoid applying too much pressure which causes over bending of wires leading to premature breakage 1 Wire wheel brush 001235 MAINTENANCE 001168 1 Exhaust vent 2 Inhalation vent 10 NOTE e When using wire cup brush mo
18. unt urethane washer to the spindle It will make it easier to remove wire cup brush Operation with wire wheel brush optional accessory A CAUTION e Check operation of wire wheel brush by running tool with no load insuring that no one is in front of or in line with the wire wheel brush e Do not use wire wheel brush that is damaged or which is out of balance Use of damaged wire wheel brush could increase potential for injury from contact with broken wires e ALWAYS use guard with wire wheel brushes assuring diameter of wheel fits inside guard Wheel can shatter during use and guard helps to reduce chances of personal injury Unplug tool and place it upside down allowing easy access to spindle Remove any accessories on spindle Thread wire wheel brush onto spindle and tighten with the wrenches When using wire wheel brush avoid applying too much pres sure which causes over bending of wires leading to prema ture breakage A CAUTION e Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance The tool and its air vents have to be kept clean Regularly clean the tool s air vents or whenever the vents start to become obstructed 001146 1 Commutator 2 Insulating tip 3 Carbon brush 001155 1 Brush holder cap 2 Screwdriver ACCESSORIES Replacing carbon brushes When the resin insulating tip inside the carbon brush is exposed to contact th
19. x wheel is on tool Wheel can shatter during use and guard helps to reduce chances of personal injury Follow instructions for depressed center grinding wheel Multi disc but also use plastic pad over wheel See order of assembly on accessories page in this manual Installing or removing abrasive disc optional accessory NOTE e Use sander accessories specified in this manual These must be purchased separately Mount the rubber pad onto the spindle Fit the disc on the rubber pad and screw the lock nut onto the spindle To tighten the lock nut press the shaft lock firmly so that the spindle cannot revolve then use the lock nut wrench and securely tighten clockwise To remove the disc follow the installation procedure in reverse A WARNING e It should never be necessary to force the tool The weight of the tool applies adequate pressure Forcing and excessive pressure could cause dangerous wheel breakage e ALWAYS replace wheel if tool is dropped while grinding 001128 1 Wire cup brush 2 Urethane washer 001142 e NEVER bang or hit grinding disc or wheel onto work e Avoid bouncing and snagging the wheel especially when working corners sharp edges etc This can cause loss of control and kickback e NEVER use tool with wood cutting blades and other sawblades Such blades when used on a grinder frequently kick and cause loss of control leading to personal injury A CAUTION e Af
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