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Angle Grinder
100 mm (4”) MODEL N900
INSTRUCTION MANUAL
No load speed Overall length Net weight
Spindle thread
(RPM)
10,000 1 255 mm (10”) 1 1.5 kg (3.3 lbs) 1 MlOx 1.25
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.
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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: READ ALL INSTRUCTIONS. 1. KEEP WORK AREA CLEAN. Cluttered areas and benches invite injuries. 2. CONSIDER WORK AREA ENVIRONMENT. Don't use power tools in damp or wet locations. Keep work area well lit. Don't expose power tools to rain. Don't use tool in presence of f
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14. REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on. 15. AVOID UNINTENTIONAL STARTING. Don't carry tool with finger on switch. Be sure switch is OFF when plugging in. 16. 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 voltag
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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 A power source with voltage greater than that specified nameplate of the tool. 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. Keep guards in p
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Installing side grip (auxiliary handle) Screw the same grip on the tool securely. Installing or removing depressed center wheel CAUTION: Always be sure that the tool is switched off and unplugged before installing or removing the wheel. Screw the inner flange onto the spindle. Fit the wheel on over the inner flange and screw Lock nut lock nut onto the spindle. the Depressed center wheel CAUTION: When installing the depressed center wheel, screw the inner flange onto the spindle so
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To tighten the lock nut, hold the spindle with the wrench so that it cannot revolve, then use the lock nut wrench and securely tighten clockwise. Lock nut wenc If \-wrench CAUTION: Use only the Makita wrench and lock nut wrench provided to install or remove the wheel. Failure to do so may result in overtightening or insufficient tightening of the lock nut. This could cause an injury. To remove the wheel, follow the installation procedure in reverse. Switch action To start the tool, m
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Operation I Hold the tool firmly. Turn the tool on and wait until the wheel or disc attains full speed. Then apply the wheel or disc to the work- piece. In general, keep the edge of the wheel or disc at an angle of about 15' to the work- piece 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 directions. I
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MAINTENANCE CAUTION: Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance. To maintain product SAFETY and RELIABILITY, repairs, carbon brush inspection and replace- ment, any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts. 8
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ACCESSORIES CAUTION: 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. The accessories or attachments should be used only in the proper and intended manner. @Wheel cover @Inner flange 35 Part No. 344257-6 Part No. 224291-1 @Depressed center wheels @Multi-disc Grit Wheels Part No. Size fmm) per pkg. - I 100x4~ 16 742038-00 100 @Lock nut 1
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@Lock nut 10 - 30 @Abrasive discs (For abrasive disc) No. 224501-6 Part @Wire cup brush 75 @Wire bevel brush 85 742036-0-3 Part No. 743203-0 Part No. 743201-4 742037-8-3 742038-6-3 @Wheel guard assembly @Grip holder Part No. 164329-9 (For cut-off wheel) Part No. 122363-5 @Plastic pad @Inner flange 30 @Cut-off wheel (For flex wheel) (For flex wheel) Part No. 743009-1A Part No. 224278-3 Wrench 0 14 Part No. 781007-2 Lock nut wrench 20 @Lock nut 10 - 30 @Flex wheel Part N
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100 mm (4") ANGLE GRINDER Model N900 Note: The switch and other part configurations may differ from country to country. 11
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MACHINE ~ 16 1 ARMATURE ASSEMBLY lWlth Item 14 . 171 11 0 Ring 11 Ball Bearing 627LL8 21 Needle Bearing 810 17 1 18 1 Field 31 Rstainmg Ring S- 12 Carbon Brush 41 Spiral Bevel Gear 36 19 2 20 1 Terminal Base Complete 51 Ball Bearing 6201LB 21 1 Housing Set IWith Item 271 61 Flat Washer 12 22 1 Cord 71 Spindle 24 1 Switch 81 Wheel Cover 92 Pan Head Screw M5x20 IWith Washer) 25 1 Switch Lever 1 Inner Flange 30 26 1 Compression Spring 6 10 27 1 Housing Set (With Item 211 11 1
