Black & Decker 722246-01 Owner's Manual
Contents
1. sh tite Mie piw EsTa RRA re E EE E OE EE A T E A A END COVER EEE T E E SWITCH WHEEL GUARD NO 7900 5 BENCH GRINDER EYE SHIELD TOOL REST SAFETY RULES l FOR STATIONARY POWER TOOLS 1 GROUND ALL TOOLS If tool is equipped with three prong plug it should be plugged into a three hole electrical receptacle If an adapter is used to accom modate a two prong receptacle the adapter wire must be attached to a known ground Never remove the third prong as 2 KEEP GUARDS IN PLACE and in working order 3 REMOVE ADJUSTING KEYS AND WRENCHES Form habit of checking to see that keys and adjusting wrenches are removed before turning on tool 4 KEEP WORK AREA CLEAN Cluttered areas and benches invite accidents 5 AVOID DANGEROUS ENVIRONMENT Don t expose power tools to rain Don t use power tools in damp or wet locations Keep your work area well illuminated 6 KEEP CHILDREN AWAY All visitors should be kept safe distance from work area 7 MAKE WORKSHOP KID PROOF with padlocks master _ Switches or by remov 8 DON T FORCE TOOL It will do the job better and be safer at the rate for which it was designed 9 USE RIGHT TOOL Don t force tool or attachment to do a job it was not designed for 10 WEAR PROPER APPAREL No loose clothing or jewelry to get caught in moving parts Rubber soled footwear is recommended for best footing 11 USE SAFETY GLASSES Also use face or du2. 8 After installing replacement wheel put on safety goggles and stand to the side of the grinder turn switch ON and allow _ wheel to revolve freely for one minute before beginning to grind 9 If a new wheel has excess vibration loosen nut and rotate ae wheel about 1 turn on shaft Retighten nut EIEEE tty AEE OON E nea lt n ee rs ee see caer nn ss me SE mm Bes ener ene we in a ee a 2 E 7 aos FIGURE 7 TAB INSIDE se UBRI CA TION Bench grinder spindles are mounted on lubricant t impregnated bearings Ne periodic lubrication is required ACCESSORIES GRINDING WHEELS 5 Diam x 4 Face x 14 Arbor Hol ai Manufactured by the nation s leading abrasive manufacturers to ee __ stringent quality specifications Cat No 79 555 Coarse 36 Grit Cat No 79 556 Medium 60 Grit SANDING POLISHING WHEEL 4 Diam x 34 face x 4 hol o Cat No 79 255 For sanding polishing honing etc WIRE WHEEL BRUSHES 14 Arbor Hole Each wire tuft is locked independently giving a dense even ae brushing surface and less danger of loose wires Cat No 70 142 4 Coarse Wire Cat No 70 143 4 Fine Wire COTTON BUFF For general purpose buffing and pol ishing Cat No U 1322 4 Diam X 5 Face x 14 Arbor Hole f NOTE The sine accessories are recommended for use with your Bench Grinder CAUTION The use of any other anea
3. accept nameplate When you stand in front of the grinder pulling the s us2e5 ERES we S882 cgl ELBE lt Oo4 e mfESLamae Z the tool s plug Replace or repair damaged or worn cord button toward you turns the motor ON pushing the button away from you toward the back of the grinder turns the motor OFF ATTA CHING EYE SHIELDS The two Eye Shields are made of cl ear shatterproof plastic and are attached to the top of each wheel guard as shown in ov 1 First slide the sheet metal nut A over the tang B i the eye shield Slide tang under E of wheel guard and a shield in place with screw A TTA CHING TOOL RES TS The two Tool Rests are not interchangeable one fits the left side of the grinder and one the right side Be careful to assemble parts exactly as shown in Figure 1 and note that the star lock washer goes between the wheel guard and the inside of the Tool lt Rest Tighten the wing nut firmly with a clearance of 1 16 between the grinding wheel and the Tool Rest see Figure 2 Tool Rests are adjustable for wheel wear Keep them adjusted so wheel and the Tool Rest as the wheel wears This clearance is very important as it will prevent any loose piece of significant size from jamming between the wheel and the Tool Rest Such jamming could fracture the wheel break the Tool Rest or both me FIGURE 2 Blacka Decker 5 BENC
4. H GRINDER BENCH MOUN TING Mounting the grinder ona beach is strongly recommended in order to prevent movement of the grinder when pressure is applied against a wheel First slide Rubber Feet on both sides and in the middle of the grinder base as indicated in Figure 4 Then drill three holes for 14 wood screws or bolts in the bench as shown in Figure 3 Use 14 wood screws or bolts as shown in Figure 4 and tighten down only enough to partially compress rubber feet about 1 16 The rubber feet will not be effective in absorbing virbration if fully compressed When using 14 bolts a second nut is required to lock against the first nut and keep grinder from loosening during operation Never operate the ginder without the rubber feet attached to its base i FIGURE 3 Y4 WOOD SCREW OR 4 BOLT FIGURE 4 RUBBER oe FEET UV WITH BOLT WIRE BRUSHING INS TRUC TIONS Wire Brushing quickly removes rust scale or old paint ALWAYS wear safety glasses or other eye protection when using wire wheels as pieces of wire may break off and be thrown from the rotating brush Handle Wire Wheel Brushes carefully with gloves or rags to avoid puncturing the skin BUFFING INSTRUC TIONS Use Cotton Buffing Wheels normally with stick buffing com pound applied to the face of the wheel usually about 54 wide Wear safety goggles for protection against particles of compound of thrown off by the wheel Remo
5. N and over heating For a 120 volt tool the minimum size of the ee A ee soe gos SEs Says BESSY zo Ege uv 3s gt rm 9 wires in any extension cord up to 75 feet long must be 18 grounding wire Never connect this green wire to a live a oe 2 Obie 52 95 GF aSo Situ yg N terminal If lace the ph h orog BIgLuy Zy 8s f Logg p255 SEs SaeuSSsy g a gauge American Wire Gauge If the total extension cord length minal If you replace the piug on the power cord be sure ee ae 33 t Ho 7m vE Fess Eg WEE SMZO 2 z is from 75 to 100 feet 16 wire is required throughout to connect the green wire orty to the grounding longest prong O Pu SSH wp BLYS Bw Poston FERED EXE SES suse a ef E re ie heavier than 18 on a 3 prong plug 20 225 gt oS O aSo o 2555 GAes as Eg 289 855 5 the extension NOTE 16 gauge wire is heavier than 18 gauge 3 foes 2a NE x 28 ae oluo Wess 2 Eg FE fain o 5 i ahd will carry current for longer distances without a voltage SWITCH KN SsanB5 cotge ux op OFtHA e di O 3 58 amp ese Sooo 0 5 Sc Sen Lv G9 Oy rop 2 yU Ose Ss SBSSZE_ Spy g 205 25 0 goen s 3E S g i l 2eest Ong z n SST aassyt SSS O57 a S ESEE Use only three wire extension cords which have three prong The switch is located on the top of the housing above the bead sem e mm R 3 H 3 a a S scoct 2 S508 Zseas Sego Eee BASSE S SELS o grounding type plugs and three pole receptacles which
6. ee z E pected to a grounded metal enclosed wiring system or an ro a OG Zeepte oc gules lt ose p oes ESUS a yaj t amp di 2s duct hould b A the reut EET E 28355 L yd Log D EFS HHAL5OLS N equipment grounding conductor should be run wi e circui W TEE 3 Saa Br BEO Sunes 8 55 Oe or 58 58 er E conductors and connected to the equipment grounding terminal a Es gn ugo TT o oc 8 FELE FE re Sp gogo ses g T EXTENSION CORD or lead on the tool Ww pa pa a do w 2 zZ 8 3 9 E p 3 ao Bee ts EM lt 27g TETEE F i We recommend that you NEVER disassemble the tool or try to sn ect x of 5 a TJ m to Oo f3 eB F e 8 s i m Sues CES MW gosh Gras CSt z Box sESH555 gt When using this tool at a considerable distance from power do any rewiring in the electrical system Any such repairs should x oe amp u c S e a gt Legge EV g p g Fe wi se gt w F 530E Se 5 2 source a 3 conductor grounding type extension cord of ade be performed only by B amp D Service Centers or other qualified Q o gT Oc o oo oO i i z Z nh Ars FEO O E LLES Sagua Suh Z Obs yWEESsore 2 quate size must be used for safety and to prevent loss of power service organizations Should you be determined to make a VSE W Ay 3gozn Bete EvS O pg 9 gt 5 5 ws repair yourself remember that the green colored wire is the fame Sp wi Eka la Sess LEGS o7z PEaco c
7. g Water Sga 5 2 2 oe HE z 2 gag lt sharp and clean for best and safest performance properly grounded outlet box No adapter is available for a plag Broo a ny i Eo ee ae Ey zo sre Bs eg F gE Follow instructions for lubricating and changing acces as shown in Figure D Adapter shown in Figures B amp C is not 236 ys 2920 lt angg og 4s BES z5 sprze T s sories for use in Canada QO A co gt Of gE Ki O Foon ob o poss BSR a ECOS 5 a sec SOP a gh a ETE g g SGS o5 EFES 15 DISCONNECT TOOLS before servicing and when chang i SaS EOS 3 m 2 l TE ev on 8s oo g z ing accessories such as blades bits cutters CER a gt 8 Ug E 2 o 5 39c 4OF S Boe ESO zie BS E FFs B68 S85 5E8E p 16 USE RECOMMENDED ACCESSORIES Consult owner s 5 g 3 a ad i 56 E g 2 8 on ose TH S Pr O manual Use of improper accessories may be hazardous c _ g v 9 2 10 A es aza B seco 55g SE L w PES ZBspa5es amp 17 AVOID ACCIDENTAL STARTING Make sure switch is 5 0 E E 2 gt 5 35 p g y 8 E 9 a yes mie oh ehh 5S y EEI Off before plipging in cord eei E e a S scence Monn tain YY sO as See EEE icteric A anti tats a yaaa O SES T gg 2 26 og gt _ oe nozo pu co S Z X03 os 6 Smee N PS Pa WM 255 oEa a og ue ka lt 83sec a S E 88 5 2530 LORE lt 85 2 Pegeser S Q 2 Permanently Connected Tools The tool should be con _ 2S 9 7 63 SRE 5 e 5 5 5 5 a6 Pa
8. maged should be carefully checked to assure that it will operate properly and perform its intended function check for alignment of moving parts binding of moving parts breakage of parts mounting and any other conditions that may affect its operation A guard OND wo er other part that is damaged should be properly repaired or replaced 9 Bolt Bench Grinder to a bench or pedestal to prevent movement 10 Use accessories only in the proper and intended manner GROUNDING This tool should be grounded whiie in use to protect the operator from electric shock 1 Cord Connected Tools tThis tool should be grounded while in use to protect the operator from electric shock The tool is equipped with an approved three conductor cord and three prong grounding type plug to fit the proper grounding type receptacle The green or green and yellow conductor in the cord is the grounding wire Never connect the green or green and yellow wire to a live terminal If your unit is for use on less than 150 volts it has a plug like that shown in Figure A If it is for use on 150 to 250 volts it has a plug like that shown in Figure D An adapter Figures B and C is available for connecting Figure A plugs to two prong receptacles The green colored rigid ear immediately vsi W ogo yg Sfo 59S Beeseecvy ia N _lug ete must be connected to a permanent ground such as a ooo S o S So
9. rs are equipped with two 5 Grinding Wheels FIGURE 6 2 See Figure 6 Remove clamp nut A by turning it in the direction the wheel normally rotates The nut A shown is black and has a left hand thread The silver colored nut at the other end of the grinder has a right hand thread Use a screwdriver in the end slot D to hold spindle when removing nuts 3 Remove Outer Clamp Washer B silver colored with small lt hole Wheel and Inner Clamp Washer C black with large hole Inspect washers If they are burred or not perfectly flat cepa or sere them CHANGING WHEELS Con tinuedi 4 Each Grinding Wheel purchased should be equiped with a z ee blotter fastened to each side of the wheel Blotters must always be used between the wheel and the inner and outer clamp washers Contact surfaces of wheels blotters a washers must be clean and flat 5 Always use the exact type of clamp washers that are supplied coe with your tool Never substitute flat or odd sized washers Replace them in the exact order and position shown in lt ae _ Figure 6 Always place hol low eee of washers against ao wheel Do not overtighten 7 Be sure to replace end covers see Figure 7 SI ide cover in direction of arrow A into upper and lower grooves in wheel _ guard Push cover toward wheel arrow B with threaded AS Se tab inside wheel guard Replace screw
10. s on a or attachment might be hazardous 6 Only tighten arbor nut sufficiently to drive the wheel without Boag slippage Hold spindle with screwdriver in end slot DMs J CASTING
11. st mask if cutting operation is dusty 12 NEVER STAND ON TOOL Serious injury could occur if the tool is tipped or if cutting tool is accidently contacted 13 DON T OVERREACH Keep your proper footing and balance at all times _14 MAINTAIN TOOLS IN TOP CONDITION Keep tools _ ADDITIONAL GRINDER SAFETY RULES 1 Always use guards and eye shields Always wear safety glasses or other eye protection when operating this tool and keep the eye shields mounted in their proper position on the wheel guard 2 Replace a cracked wheel immediately Handle wheels care fully to avoid bumping or dropping DO NOT use a grinding wheel that has been dropped Before using inspect each wheel for cracks or flaws and if these are evident discard the wheel 3 Before mounting a new wheel be sure that it is marked with an R P M that is the same as or higher than the no load speed of the grinder as marked on the nameplate Do not overtighten wheel nut 4 Never start a grinder with anyone including the operator standing in line with the wheel After installing a replace ment wheel stand to one side and allow it to revolve freely for about one minute Do not grind on the sides of grinding wheels unless they are the special wheels designed specifically for this purpose Do not over tighten wheel nut Use only flanges furnished with this grinder CHECK DAMAGED PARTS Before further use of the tool a guard or other part that is da
12. ve the tool rest if it interferes with the buffing operation Do not jam work into wheel Hold work firmly CHANGING WHEELS UNPLUG POWER CORD AND BE SURE THAT SWITCH STAYS IN THE OFF POSITION 1 Remove End Cover see Figure 5 Remove the screw in the back of the wheel guard Using a screwdriver if necessary pry the end cover outward from the wheel in the direction of arrow 1 Slide the cover backward arrow 2 out of l the grooves in the front of the wheel guard an m se pawn ee one te mar sae ee S ts nell 7 rt E ae sR y TAB INSIDE CASTING When you face the Bench Grinder the wheel on your left is a 5 Grinding Wheel This wheel is used for metal grinding and sharpening operations The wheel to your right is a 4 Sanding Polishing Wheel This wheel is used for sanding wood and plastic removing paint and rust polishing metal honing cutting tools smoothing rough edges on glass and de burring pipe sheet metal etc To operate the Bench Grinder put on safety glasses or other eye protection and hold the work firmly Rest the work on the tool rest and feed it slowly into the wheel at the desired grinding angle Treat the wheel with respect do not tam the work into the wheel or use unnecessary pressure Grind only on the face of the grinding wheel unless you have a special wheel specifically made to permit grinding on the side of the wheel Some 5 Bench Grinde
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