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Ryobi P420 manual

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Table of contents for the manual

  • Page 1

    OPERA TOR’S MANUAL ANGLE GRINDER 4-1/2 in., 18 V P420 SA VE THIS MANUAL FOR FUTURE REFERENCE Y our angle grinder has been engineered and manufactured to our high standard for dependability , ease of operation, and operator safety . When properly car ed for , it will give you years of rugged, trouble-free performance. WARNING: T o r educe the risk[...]

  • Page 2

    2  Introduction ..................................................................................................................................................................... 2 �  W arranty .................................................................................................................................................[...]

  • Page 3

    3 GENERAL SAFETY RULES WARNING! READ AND UNDERST AND ALL INSTRUCTIONS. Failure to follow all instructions listed below , may result in electric shock, fire and/or serious personal injury . SA VE THESE INSTRUCTIONS WORK AREA  Keep your work area clean and well lit. Cl ut t ere d benches and dark areas invite accidents.  Do not operate power to[...]

  • Page 4

    4  Always use proper guard with grinding wheel. A guard pr otects operator from broken wheel fragments.  Accessories must be rated for at least the speed recommended on the tool war ning label. Wheels and other accessories running over rated speed can fly apart and cause injury .  H o l d t o o l b y i n s u l a t e d g r i p p i n g s u r[...]

  • Page 5

    5  An extension cord s hould not be used unless absolutely necessary . Use of improper extension cord could resu lt in a risk of fire and electri c shock. If extensi on cord must be used, make sur e: a. T ha t pins o n plu g o f ext ens ion c ord are the sam e number , size and shape as those of plug on charger . b. T hat ex tens ion cord i s p [...]

  • Page 6

    6 SYMBOLS Some of the following symbols may be used on this product. Please study them and lear n their meaning. Proper interpretation of these symbols will allow you to operate the pr oduct better and safer . V V olts V oltage A Amperes Current Hz Hertz Frequency (cycles per second) W W att Power min Minutes Time Alternating Current T ype of curre[...]

  • Page 7

    7 SYMBOLS The following signal words and meanings ar e intended to explain the levels of risk associated with this product. DANGER: Indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury . WARNING: Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious[...]

  • Page 8

    8 FEA TURES Fig. 1 PRODUCT SPECIFICA TIONS Grinding Wheel Capacity ....................................... 4-1/2 in. Motor ................................................................. 18 V olt DC No Load Speed ..................................... 6,500 r/min. (RPM) Spindle Thread ............................................. 5/8 x 11 UNC Char[...]

  • Page 9

    9 WARNING: If any parts are damaged or missing do not operate this product until the parts ar e replaced. Failure to heed this warning could result in serious personal injury . WARNING: Do not attempt to modify this product or cr eate accessories not recommended for use with this product. Any such alteration or modification is misuse and could r es[...]

  • Page 10

    10 WARNING: Do not allow familiarity with pr oducts to make you ca r eles s. Re memb er th at a ca r eles s fra ctio n of a sec ond is sufficient to inflict serious injury . WARNING: Always wear safety goggles or safety glasses with side shields when operating products. Failure to do so could result in objects being thrown into your eyes, r esultin[...]

  • Page 11

    11 CHARGING A COOL BA TTERY P ACK If battery pack is within normal temperature range, the red LED on char ger will come on. NOTE: If the char ger does not char ge the battery pack under normal circumstances, return both the battery pack and charger to your nearest Authorized Service Center for electrical check.  Charge the battery pack only with[...]

  • Page 12

    12 OPERA TION TO INST ALL BA TTER Y P ACK See Figure 4.  Place the battery pack on the tool.  Make sure the latches on each side of the battery pack snap into place and the battery pack is se cured on the tool before beginning operation. TO REMOVE BA TTERY P ACK See Figure 4.  Depress the latches on the side of battery pack.  Remove the[...]

  • Page 13

    13 DANGER: Never attach a wood cutting or carving blade of any type to this grinder . It is only designed for grinding and sanding. Use for any other purpose is not recommended and creates a hazar d, which will result in serious injury . DANGER: Never attach a type 1 straight or cut-off wheel to this ang le grind er . It is onl y des ign ed for gri[...]

  • Page 14

    14 POSITIONING THE GUARD See Figures 7 - 10. The guard on the grinder should be corr ectly installed depending on which side the handle is mounted. Never use the grinder without the guard corr ectly in place. WARNING: Never place the guard so that it is in front of the grinder as shown in figure 7. This could result in serious injury because sparks[...]

  • Page 15

    15 OPERA TION OPERA TING THE GRINDER See Figure 12. Always carefully select and use grinding wheels that are recommended for the material to be ground. Make sure that the minimum operating speed of any accessory wheel selected is 6,500 r/min. or more. The grinding wheel provided with the grinder is suitable for grinding welds, preparing surfaces to[...]

  • Page 16

    16 MAINTENANCE BA TTE R Y P AC K RE MOV AL AN D PRE P ARA TI ON FOR RECYCLING T o preserve natural resources, please r e c y c l e o r d i s p o s e o f b a t t e r i e s properly . This product contains nickel- cadmium batteries. Local, state or federal laws ma y pr ohib it dis po sa l of nic kel- cadm ium batteries in ordinary trash. Consult your[...]

  • Page 17

    17 MAINTENANCE REPLACING THE GUARD See Figure 13. WARNING: Do not change or loosen guar d scr ew . Failu re to heed this warning may cause the guard to become loose during operation resulting in serious personal injury . After extended use, the guard may wear and need replacing. If you drop the grinder and damage the guard it may also be necessary [...]

  • Page 18

    18 ONE WORLD TECHNOLOGIES, INC. 1428 Pearman Dairy Road, Anderson, SC 29625 Phone 1-800-525-2579 www .ryobitools.com OPERA TOR’S MANUAL 4-1/2 in., 18 VOL T ANGLE GRINDER P420 • SER VICE Now that you have purchased your product, should a need ever exist for repair parts or service, simply contact your nearest Authorized Service Center . Be sure [...]