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HG80 User Manual ◄ 5
Tool operators and maintenance personnel must always
comply with the safety precautions given in this manual
and on the stickers and tags attached to the tool and
hose.
These safety precautions are given for your safety. Re-
view them carefully before operating the tool and before
performing general maintenance or repairs.
Supervising personnel should develop additional pre-
cautions relating to the specic work area and local
safety regulations. If so, place the added precautions in
the space provided in this manual.
The model HG80 Hydraulic Grinder will provide safe
and dependable service if operated in accordance with
the instructions given in this manual. Read and under-
stand this manual and any stickers and tags attached
to the grinder and hose before operation. Failure to do
so could result in personal injury or equipment damage.
• The operator must start in a work area without by-
standers. Flying debris can cause serious injury.
• Do not operate the tool unless thoroughly trained
or under the supervision of an instructor. Establish
a training program for all operators to ensure safe
operation.
• Always wear safety equipment such as goggles, ear
and head protection, and safety shoes at all times
when operating the tool. Use gloves and aprons
when necessary.
• The operator must be familiar with all prohibited
work areas such as excessive slopes and danger-
ous terrain conditions.
• Do not inspect, clean or replace the grinding wheel
while the hydraulic power source is connected. Do
not inspect or clean the tool while the hydraulic pow-
er source is connected. Accidental engagement of
the tool can cause serious in jury.
• Always connect hoses to the tool hose couplers be-
fore energizing the hydraulic power source. Be sure
all hose connections are tight and are in good condi-
tion.
• Do not operate the tool at oil temperatures above
140 °F/60 °C. Operation at higher temperatures can
cause higher than normal temperatures at the tool
which can result in operator discomfort.
• Do not operate the tool with the wheel guard re-
moved.
• Do not operate a damaged, improperly adjusted, or
incompletely assembled grinder.
• Never wear loose clothing that can get entangled in
the working parts of the tool.
• Keep all parts of your body away from the rotat-
ing wheel. Long hair or loose clothing can become
drawn into rotating components.
• Keep the wheel off all surfaces when starting the
grinder.
• Do not use a wheel that is cracked, chipped or oth-
erwise damaged. Always inspect wheels for pos-
sible damage before installation or use.
• Always use wheels that conform to the specications
given in the OPERATION section of this manual.
• Do not reverse grinding wheel rotation direction by
changing uid ow direction.
• Do not move the tool until the wheel has stopped
rotating. Release the trigger if the power supply has
been interrupted.
• To avoid personal injury or equipment damage, all
tool repair, maintenance and service must only be
performed by authorized and properly trained per-
sonnel.
• If the material being ground creates an emission of
dust and fumes, use personal protective devices.
• Never cock, jam or wedge the grinding wheel during
operation.
• Never cause sparks in the vicinity of ammable ma-
terials.
• Eye injury, and cutting or severing of body parts is
possible if proper procedures are not followed.
• Warning: Use of this tool on certain materials during
demolition could generate dust potentially contain-
ing a variety of hazardous substances such as as-
bestos, silica or lead. Inhalation of dust containing
these or other hazardous substances could result
in serious injury, cancer or death. Protect yourself
and those around you. Research and understand
the materials you are cutting. Follow correct safety
procedures and comply with all applicable national,
state or provisional health and safety regulations
relating to them, including, if appropriate arranging
for the safe disposal of the materials by a qualied
person.
SAFETY PRECAUTIONS