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- informations concerning technical data of Ryobi D550H
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- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Ryobi D550H alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Ryobi D550H, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Ryobi service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Ryobi D550H.
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Table of contents for the manual
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Page 1
Y our new hammer drill has been engineered and manufactured to Ryobi's high standard for dependability , ease of operation, and operator safety . Properly cared for , it will give you years of rugged, trouble-free performance. W ARNING: To reduce the risk of injury , the user must read and understand the operator ’s manual. Thank you again f[...]
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Page 2
2 INTRODUCTION ■ Introduction ........................................................................................................................................................ 2 ■ General Safety Rules ........................................................................................................... .......................... 3-4[...]
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Page 3
3 GENERAL SAFETY RULES W ARNING: Read and understand all instructions. Failure to fol- low all instructions listed below, may result in electric shock, fire and/or serious personal injury. SAVE THESE INSTRUCTIONS WORK AREA ■ Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents. ■ Do not operate power tools i[...]
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Page 4
4 SPECIFIC SAFETY RULES Hold tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its cord. Contact with a “live” wire will make exposed metal parts of the tool “live” and shock the operator . ADDITIONAL SAFETY RULES ■ Know your power tool. Read operator ’ s manual carefull[...]
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Page 5
5 Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer. SYMBOL NAME DESIGNATION/EXPLANATION V Volts Voltage A Amperes Current Hz Hertz Frequency (cycles per second) W Watt Power min Minutes Time Alterna[...]
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Page 6
6 SPECIFICA TIONS UNP ACKING INSTRUCTIONS Your hammer drill has been shipped completely assembled. ■ Carefully remove the tool from the box. Make sure that all items listed in the packing list are included. ■ Inspect the tool carefully to make sure no breakage or damage occurred during shipping. ■ Do not discard the packing material until you[...]
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Page 7
7 DOUBLE INSULATION Double insulation is a concept in safety in electric power tools, which eliminates the need for the usual three-wire grounded power cord. All exposed metal parts are isolated from the internal metal motor components with protecting insulation. Double insulated tools do not need to be grounded. W ARNING: The double insulated syst[...]
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Page 8
8 FEA TURES Fig. 1 W ARNING: Do not attempt to modify this tool or create accessories not recommended for use with this tool. Any such alteration or modification is misuse and could result in a hazardous condition leading to possible serious personal injury. HANDLE ASSEMBLY DEPTH GAUGE ROD CHUCK LOCK-ON BUTTON SWITCH TRIGGER MODE SELECTOR[...]
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Page 9
9 Fig. 2 W ARNING: Always wear safety goggles or safety glasses with side shields when operating this tool. Failure to do so could result in dust, shavings, or loose particles being thrown into your eyes, resulting in possible serious injury. INSERTING BITS See Figure 2. Follow these directions to insert bits. ■ Unplug the hammer drill. W ARNING:[...]
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Page 10
10 OPERA TION Fig. 4 Fig. 5 ADJUSTING THE HANDLE ASSEMBLY See Figure 4. Follow these directions to adjust the handle assembly. ■ Unplug the hammer drill. W ARNING: Failure to unplug the tool could result in accidental starting causing possible serious injury. ■ Loosen the handle assembly by turning the handle counterclockwise. ■ Remove the ha[...]
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Page 11
11 OPERA TION ADJUSTING THE SPEED See Figure 7. The hammer drill has a two-speed knob that provides a high speed of approximately 3,000 RPM and a low speed of approximately 1,000 RPM (stated speeds are with the trigger switch in the “Full-on” position). Follow these directions to adjust the speed. ■ Unplug the hammer drill. W ARNING: Failure [...]
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Page 12
12 2 1 1 - - OPERA TION Fig. 10 Fig. 11 TURNING THE HAMMER DRILL ON/OFF See Figure 9. Follow these directions to turn the hammer drill on and off. ■ To turn the drill on : Depress the switch trigger. ■ To turn the drill off : Release the switch trigger. LOCKING ON See Figure 10. The lock-on feature allows you to lock the drill on when you opera[...]
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Page 13
13 W ARNING: When servicing use only identical Ryobi replacement parts. Use of any other parts may create a hazard or cause product damage. GENERAL Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, carb[...]
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Page 14
14 MAINTENANCE Fig. 13 Fig. 14 REMOVING THE CHUCK See Figures 12, 13, and 14. Follow these directions to remove the chuck. ■ Unplug the hammer drill. W ARNING: Failure to unplug the tool could result in accidental starting causing possible serious injury. ■ Open the chuck jaws by turning the chuck collar counterclockwise. ■ Insert a 5/16 in. [...]
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Page 15
15 NOTES[...]
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Page 16
OPERA T OR'S MANUAL HAMMER DRILL - 1/2 in. (13 mm) D550H V ARIABLE SPEED – DOUBLE INSULA TED R YOBI TECHNOLOGIES INC. 1428 Pearman Dairy Road Anderson, SC 29625 Post Office Box 1207 Anderson, SC 29622 www .ryobitools.com Phone 1-800-525-2579 983000-129 9-02 • SER VICE Now that you have purchased your tool, should a need ever exist for repa[...]