YATO YT-09730 Manual Del Usuario página 14

of the tool holder and turn the blade (IV) slowly while applying slight
pressure to the pin. When the pin slides deeper into the tool holder,
it will block the rotation of the spindle. In this case, tighten the blade
by hand while holding the pin.
Make sure that the pin is removed from the tool after the blade has
been mounted. If the pin is left in the tool, it will turn into a projectile
after it has been started, and this can cause serious injury.
Manually rotate the blade (several revolutions) to ensure that the
blade rotates smoothly and without jams.
Attach a disc of abrasive paper or cloth to the underside of the blade.
The surface of the disc to be clamped shall be covered with a spe-
cial non-woven fabric to allow the disc to be held in place by the
blade velcro. The disc should have the same diameter as the blade,
it should be attached concentrically. The edge of the disc must not
project beyond the edge of the blade. It is recommended to use
discs without holes for the extraction of dust generated during work.
The grinder blade is not equipped with holes and will wear out more
quickly if you use a hole disc.
The tool is ready to be connected to a pneumatic system.
Connecting the tool to the pneumatic system
The fi gure shows the recommended manner of connecting the tool
to the pneumatic system. This will ensure the most effi cient use of
the tool and also prolong the tool's service life.
Apply a few drops of SAE 10 viscous oil into the air inlet.
If the tool is equipped with a rotation reversing switch, set the correct
direction of rotation.
Wherever possible, adjust the pressure (torque).
Connect the tool to the pneumatic system using a hose with an in-
ternal diameter of 10 mm / 3/8". Make sure the hose has a durability
of at least 1.38 MPa. (V)
Make sure that the inserted tool is not in contact with any object,
then run the tool for a few seconds to make sure that no suspicious
sounds or vibrations are coming from the tool.
Starting and stopping the tool
Caution! Before starting the pneumatic tool, make sure that the
mounted inserted tool does not come into contact with any object
or any body part.
O R I G I N A L
14
GB
The tool is operated by means of a trigger which opens the air valve
and thus ensures the supply of compressed air to the tool drive.
Grasp the tool handle and press the trigger towards the housing.
Allow the tool to reach its rated speed and only then start working.
Working with the grinder
Make sure that the maximum equipment rotation speed is higher
than that of the grinder.
Start the grinder and allow the blade to reach its full rotation speed.
Only a rotating blade should be applied to the workpiece.
Position the grinder so that the entire surface of the grinding disc is
used. This will ensure uniform wear of the disc.
Move the grinder towards and away from you, and gradually to a
side. Wood should be sanded along the grain. Sanding should be
started with thicker grain sheets, and then use increasingly fi ner
grain sheets until the desired eff ect is achieved. Avoid checking the
condition of the wood surface worked with your bare hand. This can
cause injury from splinters and burrs generated during work.
The paper grain must be selected according to the surface worked.
Too high grain of the grinding sheet will produce scratches on the
surface of the material.
Take regular breaks during operation to check the condition of the
grinding sheet and the fi ll-up level of the dust container. If a grind-
ing sheet is found to have been clogged with dust generated during
work, or that the abrasive grain has worn, replace the sheet with a
new one.
Only apply as much pressure to the tool as you need to process the
material. Excessive pressure can lead to uneven work results and
even destroy the workpiece surface. Excessive pressure can lead
to overheating of the surface, which can damage, for example, the
sanded paint coating.
Select the paper grain according to the type of work. Use more
grain-rich paper for sanding and peeling. Use smoother paper for
fi nishing work.
Do not use the abrasive disc used for one type of work, for another
type of work. For example, do not use the paint peeling disc to re-
move corrosion. Contamination remaining on the disc after fi nishing
working with it once may adversely aff ect the surface to be machined
during the next task.
I N S T R U C T I O N S