General Operational Precautions; Precautions On Using Disc Grinder - Hitachi Koki G 23MR Handling Instructions Manual

GENERAL OPERATIONAL PRECAUTIONS

WARNING! When using electric tools, basic safety
precautions should alw ays be follow ed to reduce the risk
of fire, electric shock and personal injury, including the
follow ing.
Read all these instructions before operating this product
and save these instructions.
For safe operations:
1. Keep w ork area clean. Cluttered areas and benches
invite injuries.
2. Consider w ork area environm ent. Do not expose
pow er tools to rain. Do not use pow er tools in
dam p or w et locations. Keep w ork area w ell lit.
Do not use pow er tools w here there is risk to
cause fire or explosion.
3. Guard against electric shock. Avoid body contact
w ith earthed or grounded surfaces (e.g. pipes,
radiators, ranges, refrigerators).
4. Keep children and infirm persons aw ay. Do not
let visitors touch the tool or extension cord. All
visitors should be kept aw ay from w ork 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 infirm persons.
6. Do not force the tool. It w ill do the job better and
safer at the rate for w hich it w as intended.
7. Use the right tool. Do not force sm all tools or
attachm ents to do the job of a heavy duty tool.
Do not use tools for purposes not intended; for
exam ple, do not use circular saw to cut tree lim bs
or logs.
8. Dress properly. Do not w ear loose clothing or
jew elry, they can be caught in m oving parts.
Ru b b er g l o v es an d n o n -ski d f o o t w ear ar e
recom m ended w hen w orking outdoors. Wear
protecting hair covering to contain long hair.
9. Use eye protection. Also use face or dust m ask
if the cutting operation is dusty.
10. Connect dust extraction equipm ent.
If devices are provided for the connection of dust
extraction 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 aw ay from heat, oil and
sharp edges.
12. Secure w ork. Use clam ps or a vise to hold the
w ork. 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 tim es.
14. M aintain tools w ith care. Keep cutting tools sharp
and clean for better and safer perform ance. Follow
i n st r u ct i o n s f o r l u b r i cat i o n an d ch an g i n g
accessories. Inspect tool cords periodically and if
dam aged, have it repaired by authorized service
center. Inspect extension cords periodically and
replace, if dam aged. Keep handles dry, clean, and
free from oil and grease.
15. Disconnect tools. When not in use, before servicing,
and w hen changing accessories such as blades,
bits and cutters.
16. Rem ove adjusting keys and w renches. Form the
habit of checking to see that keys and adjusting
w renches are rem oved from the tool before turning
it on.
17. Avoid unintentional starting. Do not carry a
plugged-in tool w ith a finger on the sw itch. Ensure
sw itch is off w hen plugging in.
18. Use outdoor extension leads. When tool is used
outdoors, use only extension cords intended for
outdoor use.
19. Stay alert. Watch w hat you are doing. Use com m on
sense. Do not operate tool w hen you are tired.
20. Check dam aged parts. Before further use of the
tool, a guard or other part that is dam aged should
be carefully checked to determ ine that it w ill
operate properly and perform its intended function.
Check for alignm ent of m oving parts, free running
of m oving parts, breakage of parts, m ounting and
any other conditions that m ay affect its operation.
A guard or other part that is dam aged should be
properly repaired or replaced by an authorized
service center unless otherw ise indicated in this
handling instructions. Have defective sw itches
replaced by an authorized service center. Do not
use the tool if the sw itch does not turn it on and
off.
21. Warning
The use of any accessory or attachm ent, other
t h an t h o se r eco m m en d ed i n t h i s h an d l i n g
instructions, m ay present a risk of personal injury.
22. Have your tool repaired by a qualified person.
This electric tool is in accordance w ith the relevant
safety requirem ents. Repairs should only be carried
out by qualified persons using original spare parts.
Otherw ise this m ay result in considerable danger
to the user.

PRECAUTIONS ON USING DISC GRINDER

1. Never operate these pow er tools w ithout Wheel
Guards.
2. Check that speed m arked on the w heel is equal to
or greater than the rated speed of the grinder.
Use only depressed center w heels rated at 80m /s
or m ore.
3. Ensure that the w heel dim ensions are com patible
w ith the grinder and that the w heel fits the spindle.
4. Abrasive w heels shall be stored and handled w ith
care in accordance w ith m anufacturer's instructions.
5. Inspect the depressed center w heel before use, do
not use chipped, cracked or otherw ise defective
products.
6. Alw ays hold the body handle and side handle of
the pow er tool firm ly. Otherw ise the counterforce
produced m ay result in inaccurate and even
dangerous operation.
7. Do not use cutting-off w heels for side grinding.
8. Do not use of separate reducing bushings or adapters
to adapt large hole abrasive w heels.
9. The w heel continues to rotate after the tool is
sw itched off.
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