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The rules should oblige the seller to give the purchaser an operating instrucion of Ryobi CSB121, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Ryobi CSB121 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Ryobi CSB121. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Ryobi CSB121 should contain:
- informations concerning technical data of Ryobi CSB121
- name of the manufacturer and a year of construction of the Ryobi CSB121 item
- rules of operation, control and maintenance of the Ryobi CSB121 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Ryobi CSB121 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 CSB121, 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 CSB121.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Ryobi CSB121 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
THANK YOU FOR BUYING A RYOBI CIRCULAR SA W . Y our new circular saw 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. CAUTION: Carefully read through this entire operator's manual before[...]
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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 follow 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 ■ Check for misalignment or binding of moving parts, breakage of parts, and any other condi- tion that may affect the tool’ s operation. If dam- aged, have the tool serviced before using. Many accidents are caused by poorly maintained tools. ■ Use only accessories that are recommended by the manufacturer for your model[...]
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Page 5
5 SPECIFIC SAFETY RULES Kickback is the result of tool misuse and/or incorrect operating procedures or conditions and can be avoided by taking proper precautions, as given below: ■ Maintain a firm grip with both hands on the saw and position your body and arm to allow you to resist KICKBACK forces. KICKBACK forces can be controlled by the operato[...]
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Page 6
6 ADDITIONAL SAFETY RULES ■ Know your power tool. Read operator ’s manual carefully . Learn its applications and limitations, as well as the specific potential hazards related to this tool. Following this rule will reduce the risk of electric shock, fire, or serious injury . ■ Always wear safety glasses. Everyday eye- glasses have only impact[...]
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Page 7
7 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 8
8 SPECIFICA TIONS UNP ACKING INSTRUCTIONS Your circular saw has been shipped completely assembled. ■ Carefully remove the tool and accessories 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 has occurred during shipping. ■ Do not discard the packin[...]
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Page 9
9 DOUBLE INSULATION Your Ryobi power tool is double insulated. This means you are separated from the tool's electrical system by two complete sets of electrical insulation. This extra layer of insulation is intended to protect the user from electrical shock due to a break in the wiring insulation. All exposed metal parts are isolated from the [...]
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Page 10
10 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 . DEPTH ADJUSTMENT WING NUT LOWER BLADE GUARD HANDLE BEVEL CUT ADJUSTMENT WING NUT MOTOR HO[...]
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Page 11
11 ASSEMBL Y W ARNING: Y our tool should never be connected to power supply when you are assembling parts, making adjustments, cleaning, performing maintenance, or when not in use. Disconnecting your tool will prevent accidental starting that could cause serious injury . W ARNING: 7-1/4 in. (184 mm) blade is the maximum blade capacity of your saw .[...]
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Page 12
12 ASSEMBL Y Fig. 4 REMOVING BLADE See Figure 4. Follow these directions to remove the blade. ■ UNPLUG YOUR CIRCULAR SAW. W ARNING: Failure to unplug the tool could result in accidental starting causing serious injury . ■ Remove wrench from storage area. CAUTION: To prevent damage to the spindle or spindle lock, always allow motor to come to a [...]
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13 Fig. 6 OPERA TION KICKBACK See Figure 6, 7, 8, and 9. Kickback occurs when the blade stalls rapidly and the saw is driven back towards you. Blade stalling is caused by any action which pinches the blade in the wood. DANGER: Release switch immediately if blade binds or saw stalls. Kickback could cause you to lose control of your saw . Loss of con[...]
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Page 14
14 OPERA TION STARTING/STOPPING THE SAW See Figure 10. To start the saw : Depress the switch trigger. Always let the blade reach full speed, then guide the saw into the workpiece. W ARNING: The blade coming in contact with the workpiece before it reaches full speed could cause your saw to “kickback” towards you resulting in serious injury . To [...]
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Page 15
15 OPERA TION OPERATING THE SAW See Figures 12, 13, and 14. It is important to understand the correct method for operating your saw. Refer to the figures in this section to learn the correct and incorrect ways for handling your saw. W ARNING: To make sawing easier and safer , always maintain proper control of the saw . Loss of control could cause a[...]
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Page 16
16 OPERA TION CROSS CUTTING/RIP CUTTING See Figure 15. When making a cross cut or rip cut, align the line of cut with the outer blade guide notch on the base as shown in the figure. Since blade thicknesses vary, always make a trial cut in scrap material along a guideline to determine how much, if any, you must offset the guideline to produce an acc[...]
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Page 17
17 OPERA TION BEVEL CUTTING See Figures 17 and 18. To make the best possible cut, follow these helpful hints. ■ Align the line of cut with the inner blade guide notch on the base when making 45 ° bevel cuts. ■ Make a trial cut in scrap material along a guideline to determine how much you should offset the guideline on the cutting material. ■[...]
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Page 18
18 OPERA TION POSITIVE 0 ° BEVEL STOP See Figure 19. Your saw has a positive 0 ° bevel stop, that has been factory adjusted to assure 0 ° angle of the saw blade when making 90 ° cuts. However, misalignment can occur during shipping. TO CHECK POSITIVE 0 ° BEVEL STOP Follow these directions to check the positive 0 ° bevel stop. ■ UNPLUG YOUR [...]
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Page 19
19 OPERA TION POCKET CUTTING See Figure 21. W ARNING: Always adjust bevel setting to zero before making a pocket cut. Attempting a pocket cut at any other setting can result in loss of control of your saw possibly causing serious injury . Follow these directions to pocket cut. ■ Adjust the bevel setting to zero. ■ Set the blade to the correct b[...]
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Page 20
20 ACCESSORIES OPTIONAL RIP GUIDE Use the optional rip guide, part no. 969862-009, when making long or wide rip cuts with your saw. TO ASSEMBLE RIP GUIDE See Figure 22. Follow these directions to assemble the rip guide. ■ UNPLUG YOUR CIRCULAR SAW. W ARNING: Failure to unplug the tool could result in accidental starting causing serious injury . ?[...]
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Page 21
21 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 22
OPERA T OR'S MANUAL 7-1/4 in. (184.15 mm) CIRCULAR SA W Model CSB121 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 983000-126 • SER VICE Now that you have purchased your tool, should a need ever exist for repair parts or s[...]