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I. General safety instructions
Warning! Read all warnings and all instructions. Electric shock, fire and/or serious injury may be
caused if failing to observe following warnings and instructions. Keep all warnings and instruction
books for reference. In all warnings listed below, the term "power tool" refers to power tool driven by
the mains supply (wired) or the battery (wireless).
Attention: We should pay attention to the basic safety matters listed below to reduce accidents such as fire,
electric shock or injury when using power tools.
a). Safety of the work site
1. Keep the work site clean and bright. Chaotic and dark site may cause an accident.
2. Do not operate power tools in explosive atmospheres, such as those any flammable liquid, gas or dust. Spark
generated by power tools may ignite the dust or gas.
3. Operate power tools after all children and bystanders leave. Inattention may make the operator lose control
over the tool.
b). Electrical safety
1. Plugs of power tools shall match with sockets. The plugs shall not be modified in any way. No changeover plug
shall be used for power tools to be grounded. Plugs not modified and matching sockets may reduce shock
hazard.
2. Avoid human exposure to the grounded surface, such as the pipeline, cooling fin or refrigerator. Body
grounding may increase shock hazard.
3. Do not expose power tools in the rain or humid environment. Water ingress into power tools may increase
shock hazard.
4. Do not misuse wires. Wires shall not be used to carry or pull power tools or plugs. Keep wires away from heat
source, oil, sharp edge or moving parts. Damaged or winding flexible wire may increase shock hazard.
5. Use external flexible wire suitable for outdoor use when using power tools outdoors. Flexible wire suitable for
outdoor use may reduce shock hazard.
6. Residual current action protector shall be used if electric tool is in humid environment inevitably. Use of RCD
can reduce electric shock.
c). Personal safety
1. Operator shall not operate electric tool when operator feels tired or encounters drug, alcohol or therapeutic
response. Instantaneous negligence during operation of electric tool will lead to serious personal injury.
2. Use personal protective equipment. Always wear the eye protector. Safety device, such as the dust mask,
skidproof safety shoe, safety helmet, ear protection, and other devices used under appropriate conditions may
reduce personal injury.
3. Prevent accidental activation. Ensure the switch in the OFF position when connecting to the power source
and/or battery holder, or picking up or carrying the tool. Plug insertion when the fingers are put on the switch
powered on or the switch is in ON position may cause hazard.
4. Before connection of power tools, take off all regulating keys or wrenches. Wrenches or keys left on rotating
parts of power tools may cause personal injury.
5. Do not stretch out the hands too long. Always pay attention to the foothold and body balance to control power
tools well in emergency.
6. Dress appropriately. Do not wear loose clothes or wear jewelry. Keep the clothes, gloves and hairs away from
moving parts, and do not wear gloves made of materials easy to wind in (such as cotton, wool, thread, etc).
Loose clothes, jewelry or long hair may be wound in easily to moving parts, which will cause injury.
7. Ensure that any device provided for connection to chip removal or dust collection equipment is well connected
and appropriately used. Use of such device may reduce hazard caused by chip or dust.
d). Use and considerations of power tools
1. Do not misuse power tools, and use appropriate power tools based on application. Selection of appropriately
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designed power tools may make you work more effectively and safely.2. Power tools whose power source can
not be turned on or turned off with the switch shall not be used. Power tools not available to be controlled with
the switch are dangerous and shall be repaired.
3. Before any adjustment, accessory replacement or power tool storage, pull the plug from power source and/or
separate the battery holder from the tool. Such protective measures may reduce hazard caused by accidental
activation of tools.
4. Store idle power tools beyond the reach of children, and prevent people not familiar with power tools or not
understanding such instructions from operating power tools. It will be dangerous for power tools to be held by
users having not received the training.
5. Maintain power tools. Check to see whether the moving parts are adjusted in place or stuck, and check
breakage of parts and other factors affecting operation of power tools. Repair power tools before use if there is
any damage. Many accidents are caused by poorly maintained power tools.
6. Keep cutters sharp and clean. Well maintained cutters with sharp cutting edges are not easy to get stuck but
easy to control.
7. Use accessories of power tools and tool bits after taking consideration of operating conditions and operation
in progress according to the way required by the operation instruction and special type of the power tool intended
to be used. Use of power tools for operations not matching with their applications may cause hazard.
e). Maintenance
Deliver your power tool to professional maintenance personnel to perform maintenance with the same spare
parts. In this way, it can ensure safety of the power tool to be maintained.
II. Special safety instructions cut-off saw
The following safety precautions for use of electric hammer are required to be followed. Otherwise,
damages may be caused to the tool or your body.
The Particular Requirements for Cutting Machine
1) When the cutting operation is in process, please wait for the motor entering into the normal operation, then the
work shall be continued; if the motor is operated before entering into the normal operation, the cut surface of the
workpiece shall be uneven.
2) The overlarge load shall not be applied to the products; the incorrect operating ways shall result in the
breakage of the grinding wheel, and the motor shall be damaged.
3) The surface bounce of the grinding wheel shall be confirmed; if the bounce of the new grinding wheel is
overlarge, then the grinding wheel shall be broken.If surface runout of grinding wheel is too large, please replace
it with a new one.
4) The eyes protector shall be worn;
5) The broken grinding wheel shall not be used;
6) The proximate matter without shield at the right position shall not be used;
7) The grinding wheel recommended by the manufacture shall only be used, and the indicated speed shall equal
or exceeds the indicated speed of the tools; the grinding wheel with linear speed no less than 4800ｍ/min shall
be adopted.
8) The operating instructions provided by the grinding wheel manufacture shall be read carefully.
9) Do not impact the grinding wheel. If the grinding wheel under rotation is impacted, then the grinding wheel
shall be broken, and the serious injury shall be caused to the human body.
10) Do not use the surface of the grinding wheel to grind the work. If the surface of the grinding wheel is used to
grind the work, then the grinding wheel shall be broken, and the serious injury shall be caused to the human body.
11) Unconcerned personnel shall not be allowed to get close. During the operation, the spark produced shall
make injury to the human body.
12) When the parts (clips, gaskets, screws, etc.) have any breakage, please stop using them. When it is not fixed
and stable while using, the grinding wheel shall be broken, and the injury to the human body shall be caused.
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