Instruction/ maintenance manual of the product P420 Ryobi
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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.
2 Introduction ..................................................................................................................................................................... 2 � W arranty ..............................................
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.
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 .
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 .
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 .
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 .
8 FEA TURES Fig. 1 PRODUCT SPECIFICA TIONS Grinding Wheel Capacity ....................................... 4-1/2 in. Motor ................................................................. 18 V olt DC No Load Speed ....................................
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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 .
An important point after buying a device Ryobi P420 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Ryobi P420 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Ryobi P420 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Ryobi P420 you will learn all the available features of the product, as well as information on its operation. The information that you get Ryobi P420 will certainly help you make a decision on the purchase.
If you already are a holder of Ryobi P420, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Ryobi P420.
However, one of the most important roles played by the user manual is to help in solving problems with Ryobi P420. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Ryobi P420 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
