Instruction/ maintenance manual of the product D552HK Ryobi
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SA VE THIS MANUAL FOR FUTURE REFERENCE Y our hammer drill 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 T ABLE OF CONTENTS INTRODUCTION This product has many features for making its use more pleasant and enjoyable. Safety , performance, and dependability have been given top priority in the design of this product making it easy to maintain and operate.
3 GENERAL SAFETY RULES WARNING! Read all instructions. Failure to follow all instructions listed below may result in electric shock, fire and/or seri ous inju ry . The term “pow er tool” in all of the warnings listed below r efers to your mains-operated (cor ded) power tool or battery-operated (cordless) power tool.
4 GENERAL SAFETY RULES SPECIFIC SAFETY RULES SERVICE Have your power tool serviced by a qualified repair per son using onl y ident ical re pla cemen t parts . This will ensure that the safety of the power tool is maintained. WARNING! T o reduce the risk of injury , user must read instruction manual.
5 SYMBOLS Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer .
6 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 .
7 EXTENSION CORDS When using a power tool at a considerable distance from a power source, be sure to use an extension cord that has the capacity to handle the current the tool will draw . An undersized cord will cause a drop in line voltage, resulting in overheating and loss of power .
8 FEA TURES Fig. 1 PRODUCT SPECIFICA TIONS Chuck Capacity ........................................................ 1/2 in. Switch ............................. VSR (V ariable Speed Reversible) Blows Per Minute ........................ 0-17,000/0-51,000 BPM 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 V ARIABLE SPEED T h e v a r i a b l e s p e e d s w i t c h d e l i v e r s h i g h e r s p e e d w i t h increased trigger pressur e and lower speed with decreased trigger pressur e. NOTE: Y ou might hear a whistling or ringing noise fr om the switch during use.
11 WARNING: Always unplug the tool when installing or removing bits, adjusting settings, or when the tool is not in use. Failure to unplug the tool may result in accidental starting and serious personal injury . INST ALLING BITS See Figures 5 - 6. Unplug the drill.
12 OPERA TION Fig. 8 USING THE AUXILIAR Y HANDLE ASSEMBL Y See Figure 8. The drill is equipped with an auxiliary handle assembly . For ease of operation, use the handle with either the left or right hand.
13 OPERA TION WARNING: Before connecting the drill to a power supply source, always check to be sure it is not in lock-on position (depr ess and release the switch trigger). Failu re to ensur e that it is not locked-on could result in accidental starting of the drill resulting in possible serious injury .
14 OPERA TION WOOD DRILLING For maximum performance, use high speed steel bits for wood drilling. Select normal drilling mode. Begin drilling at a very low speed to pr event the bit fr om slipping off the starting point. Increase the speed as the drill bit bites into the material.
15 MAINTENANCE CHUCK REMOV AL See Figures 11 - 13. The chuck may be removed and r eplaced with a new one. Unplug the drill. Open chuck jaws using the provided chuck key . Insert a 5/16 in. or larger hex key into the chuck of the drill and tighten the chuck jaws securely .
16 • P ARTS AND SER VICE Prior to requesting service or pur chasing replacement parts, please obtain your model and serial number from the pr oduct data plate. • MODEL NUMBER • SERIAL NUMBER • HOW TO OBT AIN REPLACEMENT P ARTS: Replacement parts can be pur chased online at www .
An important point after buying a device Ryobi D552HK (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 D552HK 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 D552HK - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Ryobi D552HK you will learn all the available features of the product, as well as information on its operation. The information that you get Ryobi D552HK will certainly help you make a decision on the purchase.
If you already are a holder of Ryobi D552HK, 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 D552HK.
However, one of the most important roles played by the user manual is to help in solving problems with Ryobi D552HK. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Ryobi D552HK 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
