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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Makita 8391D, 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 Makita 8391D 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 Makita 8391D. 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 Makita 8391D should contain:
- informations concerning technical data of Makita 8391D
- name of the manufacturer and a year of construction of the Makita 8391D item
- rules of operation, control and maintenance of the Makita 8391D 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 Makita 8391D 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 Makita 8391D, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Makita 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 Makita 8391D.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Makita 8391D 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
1 ENGLISH (Original instructions) INSTRUCTION MANUAL W ARNING: For your personal safety , READ and UNDERST AND before using. SA VE THESE INSTRUCTIONS FOR FUTURE REFERENCE. Cordless Hammer Driver Drill 8271D 8281D 8381D 8391D 008693[...]
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Page 2
2 ENGLISH (Orig inal instruct ions) SPECIFICA TIONS Model 8271D 8281D 8381D 8391D S teel 10 mm 10 mm 13 mm 13 mm Wood 25 mm 25 mm 25 mm 3 6 mm Concrete 8 mm 10 mm 10 mm 13 mm Wood screw 5.1 mm x 6 3 mm 6 mm x 75 mm Capacities Machine screw 6 mm High 0 - 1,300 No load speed ( min -1 ) Low 0 - 400 High 0 - 19,500 Blows per minu te Low 0 - 6,000 Overa[...]
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Page 3
3 For Model 8391D ENG104-1 For European countries only Noise The typical A-weighted noise lev el determined according to EN60745: Sound pressure level (L pA ) : 78 dB(A) Uncertainty (K) : 3 dB(A) The noise level under w orking may exceed 80 dB (A). Wear ear protection. ENG203-1 Vibration The vibration to tal value (tri-axial vector sum) determined [...]
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Page 4
4 7. Do not abuse the cord. Never use the cord for carrying, pulling or unpl ugging the power tool. Keep cord away from heat, oil, sharp edges or moving part s. Damaged or ent angled cords increase the ri sk of electric shock. 8. When operating a power tool outdoors, use an extension cord suitable for out door use. Us e of a cord suitable for outdo[...]
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Page 5
5 29. Follow instruction for lubricating and changing accessories. 30. Keep handles dry , clean and free from oil and grease. GEB003-4 SPECIFIC SAFETY RULES DO NOT let comfort or familiarit y with product (gained from repeated use) replace strict adherence to hammer drill safety rules. If you use this power tool unsafely or incorrect ly , you can s[...]
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Page 6
6 FUNCTIONAL DESCRIPTION CAUTION : • Always be sure tha t the tool is sw itched off and the battery cartridge is removed before adjusting or checking fun c tion on th e tool. Inst alling or remo ving battery cartridge 2 1 008694 • Always switch off the tool before inser tion or removal of the battery cartridge. • T o remove the battery cartri[...]
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Page 7
7 Selecting the action mo de 1 2 008698 This tool employs a n action mode changing ring. Select one of the three m odes suitable for your work ne eds by using this ring . For rotatio n only , turn the ring so that the arrow on the tool body points tow ard the mark on the ring. For rotation with hammering, turn the ring so tha t the arrow points tow[...]
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Page 8
8 Blow-out bulb ( optional accessor y) 1 002449 After drilling the hole, use the blow-out bulb to cle an the dust out of the ho le. Screwdriving operation 008701 First, turn the a ction mode changing ring so that the arrow on the tool b ody points to the marking. Adjust the adjusting ring to the proper torque level for y our work. Then proceed as f[...]
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Page 9
9 ACCESSORIES CAUTION : • These accessori es or attachments are recommended for use with your Makita tool specified in this manual. The use of any other accessories or atta chments might present a risk of injury to persons. Only use accessory or attachment for it s stated purpose. If you need any assista nce for more details regarding these acces[...]
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Page 10
10[...]
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Page 11
11[...]
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Page 12
12 Makita Corporation Anjo, Aichi, Japan 884801B228[...]