Trelawny 735.7072, Operation And Maintenance Manual, Page: 4 / 14

OPERATION
Foreword
Thank you for your purchase of the
TRELAWNY 4” Vibro-Lo Angle
Grinder.
This manual contains the necessary
maintenance information for you to
ensure proper operation and care for
this machine.
It is essential for you to read
through this manual thoroughly.
In the unlikely event that you
experience problems with your
4” VL Angle Grinder, please do not
hesitate to contact your local
Trelawny dealer or agent. We
always welcome feedback and
comments from our valued
customers.
Safety Precautions
WEAR SAFETY BOOTS, FACE
M A S K , S H A T T E R P R O O F
GLASSES, HELMET, GLOVES and
any other personal protective
equipment required for the working
conditions. Avoid loose clothing; this
may become trapped in moving
parts and cause serious injury.
AI R M OT ORS AR E N OT
ELECTRICALLY INSULATED.
ENSURE THAT HANDS and
clothing are kept away from rotating
parts.
ONLY YOUR SUPERVISOR OR
AUTHORISED MAINTENANCE
ENGINEER should adjust the speed
control setting within the air motor;
although this has been set to the
optimum speed during manufacture,
the speed should be checked on a
daily basis.
ENSURE THAT THE WORK PLACE
IS WELL VENTILATED. Avoid
o p e r a t i n g e n g i n e - p o w e r e d
compressors in an enclosed area,
since engine exhaust gases are
poisonous.
BE AWARE, when the angle grinder
is switched off, the work head will
continue to rotate briefly.
The grinder must never be used
without a wheel guard fitted.
The air supply should be lubricated. It is
strongly recommended that an air filter,
regulator, lubricator is used, this will
supply clean, lubricated air at the correct
pressure to the tool.
Details of such equipment can be
obtained from your supplier.
If such equipment is not used then the
tool should be lubricated by shutting off
the air supply to the tool, depressurising
the line by pressing the trigger on the
tool.
Disconnect the air line and pour into the
air intake a teaspoonful (5ml) of a
suitable pneumatic motor lubricating oil
preferably incorporating a rust inhibitor.
Reconnect tool to air supply and run tool
slowly for a few seconds to allow air to
circulate the oil. If tool is used frequently
lubricate on daily basis and if tool starts
to slow or lose power.
Putting into service
Remove plastic bung from air inlet
using a pair of pliers.
Use a clean lubricated air supply that
will give a measured air pressure to
the tool of 6.3bar (90psi).
It is recommended a air filter/regulator/
lubricator is used which can be
obtained from air tool supplier.
Recommended lubricants
Oil the tool daily during use. Put a few
drops of one of the following bio-
degradable air tool lubricants through
the air inlet.
SHELL Naturelle HF
CASTROL Carelube HTG 22
Always use clean oil from a sealed
container.
Risk of Hand-arm Vibration
injury
These tools may cause Hand-arm
Vibration Syndrome injury if their use
is not adequately managed.
We advise you to carry out a risk
assessment and to implement
measures such as; limiting exposure
time [i.e. actual trigger time, not total
time at work], job rotation, ensuring the
tools are used correctly.
Ensure the tools are maintained
according to our recommendations,
and ensuring that the operators wear
personal protective equipment [PPE]
particularly gloves and clothing to
keep them warm and dry.
Employers should consider setting up
a programme of health surveillance to
establish a benchmark for each
operator and to detect any early
symptoms of vibration injury.
We are not aware of any PPE that
provides protection against vibration
injury by attenuating vibration
emissions.
See ‘ Specifications ’ section for
vibration emission data.
Grinding Discs, Flap Wheels &
Applications
Grinding Discs
For use on steel.
Flap Wheel
For the removal aggressive removal of
paint and coatings and heavy rust from
steel work, leaving a bright finish on
steel work.
Wire Cup Brush
For the removal of light paint, other
coatings and rust from steel work.
Use of tool
This angle grinder is designed for use
with reinforced resin bonded
depressed centre grinding wheels that
have a permitted rotational speed in
excess of 10,000rpm.
The tool is designed for light grinding
and dressing of welds, etc, but not for
cutting off.