YATO YT-09675 Manual De Instrucciones página 16

GB
Removal of the grinding wheels
Turn off the grinder and disconnect it from the pneumatic system. As in the case of assembly, you should block movement of the
spindle using a flat wrench, and by using the wrench with pins from the unscrew the bottom mounting flange. Remove the grinding
wheel and unscrew the upper mounting flange. Clean the spindle and clamping flanges of dust and other pollutants arising in the
course of work.
Types of grinding wheels
You may use for grinder all grinding wheels designed for use with angle grinders of maximum peripheral speed of at least 80 m /
s and the mounting and external diameters specified in the technical data table.
If the grinding wheel or disk is equipped with an unthreaded hole, for its mounting you should use the mounting flanges.
It is also possible to mount the grinding wheels with an outside diameter specified in the technical data table, equipped with
threaded hole of the size given in the table. In this case, you should not use the mounting flanges, and the grinding wheel should
be screwed directly to the spindle, in accordance with the instructions attached to it. In the case of discs, which allow for mounting
the sandpaper disc by using Velcro, you should only use the sandpaper discs, which are specified in the table of technical data.
The discs should be placed concentrically on grinding wheel. The edge of the disc should not protrude beyond the wheel edge.
It is also possible to use diamond grinding wheels with dimensions specified in the technical data table, intended for cutting and
dry grinding. Installation should be carried out in the same way as for other grinding wheels.
For metal treatment it is recommended to use grinding wheels made of materials intended for the processing of a given type of
metal. Refer to the documentation that is attached to the grinding wheel.
For the processing of ceramic materials you can use the grinding stone or diamond grinding wheels, designed for a dry work.
Wire brushes and wheels with sandpaper, are recommend for use to remove old paint coatings from metal parts.
It is prohibited to modify the mounting hole, spindle or use reduction rings in order to align the mounting hole diameter to the
diameter of spindle. It is prohibited to use the grinding wheel with a mounting diameter other than the diameter specified in the
technical data table. It is forbidden to use discs with the cutting chain or disk saws. because that increases the risk of tool rebound
toward the operator.
Attention! It is forbidden to use other grinding wheels than approved for use in this manual. Even if they can be mounted on the
grinder spindle. Inappropriate grinding wheels may not withstand the loads generated during the operation of the angle grinder.
Damaged, crumbling grinding wheels are a threat of serious injury or death.
Connecting the tool to pneumatic system
The figure shows the recommended connection of tool to the pneumatic system. Presented method will ensure the most efficient
use of tool, and also it will extend the service life of the tool.
Let a few drops of oil with viscosity SAE 10 to the air intake.
To the thread of air inlet tightly and firmly screw the appropriate tip allowing for the connection of air supply hose. (VI)
Where it is possible you can adjust the pressure. Rotation of the knob clockwise reduces the pressure, and in the opposite direc-
tion increases it.
Connect the tool to air system using the hose with an inner diameter of 10 mm / 3/8 ". Make sure, that the strength of the hose is
at least 1.38MPa. (VII)
Run the tool for a few seconds, making sure that it does not issue any suspicious sounds or vibrations.
The use of grinder
Unplug the grinder from the pneumatic system.
Before working with the tool, you should check whether the enclosure body, guard, handle and grinding wheel are not damaged.
If there is a visible damage, it is forbidden to connect the grinder to the pneumatic system!
Attach the guard of the grinding wheel in the best position for safety, and to the housing screw the additional handle.
Never work with the grinder without mounted grinding wheel guards and additional handle!
Choose the type of grinding wheel, which is appropriate for the type of work l and mount the grinding wheel on the grinder spin-
dle.
Workpiece should be mounted in an appropriate way, so it does not move during its machining, for example, by clamps or clips.
Grinding wheels spins at high speed and improper attachment of the workpiece can cause its uncontrolled movement during
operation, which increases the risk of injury.
In the case of cutting you should support the cut material on both sides of the cut line, but in such a way, that during cutting it would
not cause the grinding wheel jam. Supports should be positioned near the edges of cut material, and near the cut line.
Wear eye protection, hearing protectors and protective gloves, and other personal protective equipment, which is appropriate for
a given type of work
Check, whether the the switch is in the "off" position. and whether the lock prevents an accidental switching on. Connect the
grinder to a pneumatic system. Adopt the proper body position, which is needed to maintain balance, and run the grinder by its
switch. Push by your finger the switch lock towards the front of tool so it would be possible to push it in the direction of the grinder
housing.
O R I G I N A L I N S T R U C T I O N S
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