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• Always disconnect the tool from the air supply when not in use.
• Always disconnect the tool from the compressed air supply before changing accessories, making
adjustments and/or repairs and when moving away from an operating area to a different area.
• Keep fingers away from trigger when not operating the tool and when moving from one
operating position to another.
• Never direct compressed air at yourself, others or animals.
• Whipping hoses can cause severe injury. Always check for damaged or loose hoses or fittings.
• Never carry or drag an air tool by its hose.
• When using air tools, do not exceed the maximum operating pressure.
• Inspect tools and accessories before each use. Do not use if damaged or excessively worn.
• Air tools should only be powered by compressed air at the lowest pressure required by the task to
reduce noise and vibration and minimise wear.
• Never use pure oxygen or combustible gases to power an air tool. Air tools are not designed for
these power sources and their use creates a fire and explosion hazard.
• Be aware that air tools may become cold during use, affecting grip, control and susceptibility to
vibration-related injury.
IMPORTANT: Even when this tool is used as prescribed it is not possible to eliminate all residual
risk factors. If you are in any doubt as to the safe use of this tool, do not use it.
Projectile Hazards
a) Be aware that failure of the workpiece, accessories, or tool itself can generate high-velocity
projectiles.
b) Always wear impact-resistant eye protection during operation of this tool. The grade of protection
required should be assessed for each use.
c) Assess risk to others when considering projectile hazard risk.
d) Ensure that the workpiece is securely fixed.
e) Check regularly that the speed of the die grinder is not higher than that marked on it. These
speed checks shall be carried out without the abrasive product.
f) Ensure that sparks and debris resulting from use do not create a hazard.
Entanglement Hazards
a) Injury can occur if loose clothing, personal jewellery, neck wear, hair or gloves are not kept away
from the tool and its accessories.
Operating Hazards
a) Ensure users and maintenance personnel are physically able to handle the bulk, weight and
power of the tool.
b) Hold the tool correctly; be ready to counteract normal or sudden movements such as recoil. Have
both hands available.
c) Maintain a balanced body position and secure footing.
d) Only use lubricants recommended by the manufacturer.
e) Personal protective safety glasses should be used; suitable gloves and protective clothing are
recommended.
f) For overhead work, wear a safety helmet.
g) Avoid direct contact with moving parts to prevent injury by pinching or cutting.
h) Be aware that there is a risk of electrostatic discharge if used on plastic and other non-conductive
materials. Take appropriate steps to reduce this risk when working with these materials (e.g.
using a grounding system).
i) Be aware that certain materials may present fire or explosion risks when being processed. Take
appropriate precautions to reduce hazards. Employers should make risks clear to operators.
j) Switch off device / release start-and-stop control if the air / power supply is interrupted.
k) Measure the air tool speed daily with a tachometer to make sure it is not greater than the speed
marked on the grinding accessory.
l) Inspect the accessory before each use. Do not use if cracked or broken or if it has been dropped.
m) Never start the die grinder when the abrasive is applied to the workpiece.
n) Ensure the die grinder has come to a complete stop before putting it down.
Repetitive Motions Hazards
When using the tool the user may experience discomfort in the hands, arms, shoulders, neck or
other parts of the body.
a) Adopt a comfortable posture whilst maintaining secure footing and avoiding awkward or
off-balance postures. Change posture during extended tasks; this can help avoid discomfort
and fatigue.
b) Symptoms such as persistent or recurring discomfort, pain, throbbing, aching, tingling,
numbness, burning sensations or stiffness, should not be ignored. Inform employer if
appropriate and consult a qualified health professional.
Accessory Hazards
a) Disconnect the tool from the air supply before fitting or changing the accessory.
b) Avoid direct contact with the accessory during and after use. Accessories are often sharp and may
become hot during use.
c) Use only sizes and types of accessories and consumables that are recommended by the
manufacturer of the tool; do not use other types or sizes of accessories or consumables.
d) Ensure the maximum operating speed of any accessory equals or exceeds the rated speed
marked on the tool.
e) Never mount a grinding wheel, cut-off wheel or router cutter on a die grinder. A grinding wheel
that bursts can cause very serious injury or death.
Air Micro Grinder Kit
f) Do not use mounted wheels which are chipped or cracked, or which could have been dropped.
g) Use only permitted inserted tools of the correct shaft diameter.
h) Pay attention to the fact that the permitted speed of the mounted point has to be lowered due
to the increase of the length of the shaft between the end of the collet and the mounted point
(overhang (Lo)). Make sure that the minimum gripping length (Lg) of 10mm is observed
(see Fig. I and the recommendations of the manufacturer of mounted points).
i) Ensure that the diameter of the shaft of the mounted point matches that of the collet.
Work Area Hazards
a) Be aware of slippery surfaces caused by use of the tool and trip hazards caused by the air line.
Slips, trips and falls are major causes of injury.
b) Where possible do not obstruct thoroughfares and passageways with air lines or cables. Take
appropriate measures to reduce trip risk such as erecting warning signs and fixing cables and air
lines in place.
c) Proceed with care in unfamiliar surroundings to minimise risk from hidden hazards such as
utility lines.
d) The tool is not intended for use in potentially explosive atmospheres and is not insulated against
contact with electric power.
e) Ensure that there are no electrical cables, gas pipes, etc., which could cause a hazard if damaged
by use of the tool.
Dust and Fume Hazards
Dust and fumes can cause ill health (e.g. cancer, birth defects, asthma and/or dermatitis); risk
assessment and implementation of appropriate controls for these hazards are essential.
a) Risks assessed should include dust created by the use of the tool and the potential for disturbing
existing dust.
b) Direct the exhaust to minimise disturbance of dust.
c) Control dust and fumes at the point of emission as a priority.
d) Select, maintain and replace consumables / accessories as recommended in the instructions, to
prevent an unnecessary increase in dust or fumes.
e) Use respiratory protection in accordance with any employer's instructions and as required by
occupational health and safety regulations.
f) Take into account the risks associated with different materials. Working in certain materials
creates dust and fumes that may cause an explosive environment.
g) Always use dust extraction or suppression systems which are suitable for the material being
processed.
Noise Hazards
Exposure to high noise levels can cause permanent, disabling hearing loss and other problems,
such as tinnitus (ringing, buzzing, whistling or humming in the ears). Risk assessment and use of
appropriate controls for these hazards are essential.
a) Use appropriate controls to reduce the risk of noise-related injury. These can include actions such
as damping materials to prevent workpieces from 'ringing' .
b) Use hearing protection in accordance with any employer's instructions and as required by
occupational health and safety regulations.
c) Operate and maintain this tool as recommended in the instructions to prevent an unnecessary
increase in the noise level.
d) Select, maintain and replace the consumable / accessory as recommended in the instructions, to
prevent an unnecessary increase in noise.
e) Where a silencer is available, ensure it is in place and in good working order when the tool is
being operated.
f) Take steps to reduce noise in the work area where possible (e.g. by using damping mats).
Vibration Hazards
Exposure to vibration can cause disabling damage to the nerves and blood supply of the hands
and arms. Not all vibration hazards can be eliminated by tool design or construction, and some
residual risks remain. Check the vibration-emission value (obtained using ISO 28927-3) shown in
the specification table. Ensure the risk it represents is assessed and managed. If the risk cannot be
managed so that it falls within acceptable limits, then do not use the tool.
Take the following steps to reduce risk of vibration-related injury:
1) Wear warm clothing when working in cold conditions. Keep hands warm and dry.
2) If numbness, tingling, pain or whitening of the skin of fingers or hands is experienced, stop
using the tool, inform employer (where appropriate) and consult a qualified health professional.
3) Operate and maintain the tool as recommended in the instructions to prevent an unnecessary
increase in vibration levels.
4) Where appropriate, support the weight of the tool in a stand, tensioner or balancer.
5) The risk from vibration is generally greater when the grip force is higher. Hold the tool with a
light but safe grip, taking account of the required hand reaction forces.
6) Ensure the tool and accessories are properly mounted and in good repair: improperly mounted
or damaged tools can cause excessive vibration.
WARNING: Be aware of paint finishes or treatments that may have been applied to the material
that is being worked on. Many treatments can create dust that is toxic, or otherwise harmful. If
working on a building constructed prior to 1960, there is an increased chance of encountering
lead-based paints.
WARNING: The dust produced when grinding objects painted with lead-based paints is
particularly hazardous to children, pregnant women, and people with high blood pressure.
Do not allow these people near to the work area, even if wearing appropriate personal
protective equipment.
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