Zenit Powertools G-250 User manual

InstructIon manual
mInI GrInDEr
G-250


3
General safety precautions
WARNING! When using electric tools, basic safety precautions should always be fol-
lowed to reduce the risk of re, electric shock and personal injury, including the following.
Read all these instructions before operating this product and save these instructions.
For safe operations:
1. Keep work area clean. Cluttered areas and benches invite injuries.
2. Consider work area environment. Do not expose power tools to rain. Do not use power tools
in damp or wet locations. Keep work area well lit. Do not use power tools where there is risk
to cause re or explosion.
3. Guard against electric shock. Avoid body contact with earthed or grounded surfaces. (e.g.
pipes, radiators, ranges, refrigerators).
4. Keep children and inrm persons away. Do not let visitors touch the tool or extension cord.
All visitors should be kept away from work area.
5. Store idle tools. When not in use, tools should be stored in a dry, high or locked up place, out
of reach of children and inrm persons.
6. Do not force the tool. It will do the job better and safer at the rate for which it was in-
tended.
7. Use the right tool. Do not force small tools or attachments to do the job of a heavy duty tool.
Do not use tools for purposes not intended.
8. Dress properly. Do not wear loose clothing or jewelry; they can be caught in moving parts.
Rubber gloves and non-skid footwear are recommended when working outdoors. Wear pro-
tecting hair covering to contain long hair.
9. Use eye protection. Also use face or dust mask if the cutting operation is dusty.
10. Connect dust extraction equipment. If devices are provided for the connection of dust ex-
traction and collection facilities ensure these are connected and properly used.
11. Do not abuse the cord. Never carry the tool by the cord or yank it to disconnect it from the
receptacle. Keep the cord away from heat, oil and sharp edges.
12. Secure work. Use clamps or a vise to hold the work. It is safer than using your hand and it
frees both hands to operate tool.
13. Do not overreach. Keep proper footing and balance at all times.
14. Maintain tools with care. Keep cutting tools sharp and clean for better and safer perfor-
mance. Follow instructions for lubrication and changing accessories. Inspect tool cords peri-
odically and if damaged, have it repaired by authorized service center. Inspect extension cords
periodically and replace, if damaged. Keep handles dry, clean, and free from oil and grease.
15. Disconnect tools. When not in use, before servicing, and when changing accessories such
as blades, bits and cutters.
16. Remove adjusting keys and wrenches. Form the habit of checking to see that keys and
adjusting wrenches are removed from the tool before turning it on.
17. Avoid unintentional starting. Do not carry a plugged in tool with a nger on the switch.
Ensure switch is off when plugging in.

4
18. Use outdoor extension leads. When tool is used outdoors, use only extension cords in-
tended for outdoor use.
19. Stay alert. Watch what you are doing. Use common sense. Do not operate tool when you
are tired.
20. Check damaged parts. Before further use of the tool, a guard or other part that is damaged
should be carefully checked to determine that it will operate properly and perform its intended
function. Check for alignment of moving parts, free running of moving parts, breakage of
parts, mounting and any other conditions that may affect its operation. A guard or other part
that is damaged should be properly repaired or replaced by an authorized service center unless
otherwise indicated in this instruction manual. Have defective switches replaced by an autho-
rized service center. Do not use the tool if the switch does not turn it on and off.
21. Warning Use only accessories or attachments recommended in this instruction manual or
in the catalogue of ZENIT ТМ.
22. Have your tool repaired by a qualied person. This electric tool is in accordance with the
relevant safety requirements. Repairs should only be carried out by qualied persons using
original ZENIT TM spare parts. Otherwise this may result in considerable danger to the user.
Description
3
21
4
1. «On / Off» switch
2. Collet chuck
3. Collet chuck button
4. Speed control
technical specifications
Model G-250
Rated power 250 W
Rated voltage 220-240 V
Rated frequency 50-60 Hz
Max no load speed 8000-30000 rpm
Collet chuck capacity 2.2-3.2 mm

5
prior to operation
1. Power source.
Ensure that the power source to be utilized conforms to the power requirements speci-
ed on the product nameplate.
2. «On\Off» switch.
Ensure that the power switch is in the OFF position. If
the plug is connected to a receptacle while the power switch is in the ON position, the
power tool will start operating immediately, inviting serious accident.
3. Extension cord.
When the work area is removed from the power source. Use an extension cord of suf-
cient thickness and rated capacity. The extension cord should be kept as short as prac-
ticable.
4. Trial run.
Ensure that the abrasive product is correctly mounted and tightened before use and run
the tool at no-load speed for 30 s in a safe position, stop immediately if there is con-
siderable vibration or if other defects are detected. If this condition occurs, check the
machine to determine the cause.
5. Collet chuck brake.
Before switching the tool on ensure that collet chuck brake is released by pressing it
two or three times.
WARNING! Check that the work piece is properly supported.
Ensure that ventilation openings are kept clear when working in dusty conditions, if it
should become necessary to clear dust, rst disconnect the tool from the mains supply
(use non metallic objects) and avoid damaging internal parts.
Ensure that sparks resulting from use do not create a hazard e.g. do not hit persons, or
ignite ammable substances.
Always use eye and ear protection. Other personal protective equipment such as dust
mask, gloves, helmet and apron should be worn.
CAUTION
When using the drill follow these rules:
• continuous use of the tool should not exceed 15 minutes;
• do not allow mechanic damage (strikes, falls etc.);
• protect the drill from external sources of heat and chemically active substances, as
well as liquid and objects penetration;
• provide effective coolingand drilling wastes withdrawal from the tool working zone;
• before disconnecting the tool from the power source turn off the On/Off switch;
• check the engine temperature, do not allow overheating;
• change the rotation direction only after switching off the tool and complete stop of

6
rotating parts;
• do not use bits not intended for concrete and brick drilling in impact mode.
Inobservance of these rules will make warranty void!
WARNING! Repair, modication and check of ZENIT power tools should be
performed only in authorized service centers ZENIT. While use or maintenance of pow-
er tools follow all safety rules and standards.
NOTE
Zenit Power Tools are constantly being improved and modied to incorporate the latest
technological advancements.
Accordingly, some parts may be changed without prior notice.

7

Demix LLC
Head ofce:
14, Shevchenko str., 3rd oor
Dnepropetrovsk, Ukraine, 49044
tel./fax: +38 056 375-43-16
http://www.en.zenit-pro.com
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