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YATO YT-82163 Mode D'emploi page 21

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tion to the direction of the abrasive disc rotation at the jamming point.
Pay special attention when working near corners, sharp edges, etc. Prevent the abrasive disc from runout and being
jammed. When machining corners or edges, there is an increased risk of the abrasive disc jamming, leading to a loss of control
or tool kickback.
Do not use discs with a cutting chain for wood processing, segmented diamond discs with circumferential spacing be-
tween segments greater than 10 mm or discs with teeth. Such discs cause frequent kickbacks and loss of control of the tool.
Warnings related to grinding and cutting
Use only blades intended for work with a chosen tool and guards designed for a given type of disc. The discs for which
the tool is not designed cannot be properly guarded and are not safe.
The convex disc must be mounted in such a way that the grinding surface does not protrude beyond the plane of the pro-
tective fl ange of the guard. An incorrectly mounted disc that protrudes above the guard poses a risk to safety during operation.
The guard must be securely attached to the tool and positioned for maximum safety so that the smallest possible area
of the disc is exposed towards the operator. This guard helps to protect the operator from broken disc fragments and prevents
accidental contact with the disc.
The disc must be used as intended. For example, do not grind with a cutting disc. Abrasive discs for cutting are designed
for circumferential load, lateral forces applied to such a disc may cause it to disintegrate.
Always use undamaged fi xing discs, which are of the correct size adapted to the abrasive disc. The correct fi xing discs for
the abrasive discs reduce the possibility of damage to the abrasive discs. The fi xing discs for cutting discs can be diff erent from
the fi xing discs for abrasive discs.
Do not use worn abrasive discs from larger tools. A larger diameter grinding wheel is not suited for a higher rotational speed
of smaller tools and may break.
If you use dual-purpose discs, always use a guard appropriate for the type of work. The use of the wrong guard may lead
to the failure to provide the desired degree of protection, which can lead to serious injury.
EQUIPMENT INSTALLATION
CAUTION! When mounting and adjusting the components, pull out the power cord plug to disconnect the tool from the power
supply.
Installation of the abrasive disc guard
A guard is supplied with the grinder to ensure proper protection only when grinding with diamond blades. To do this, place the
disc guard on the cylindrical part of the body around the spindle and use a screw or clamp to fi x the guard so that it is attached
straight, fi rmly and securely. The disc guard should be positioned as shown in fi gure (II). Never operate the grinder without the
disc guard installed correctly!
Installation/removal of auxiliary handle
Mount the handle by screwing it securely to the tool head using the fi xing screw (III). During operation, check that the fi xing screws
on the handle have not come loose due to vibrations. Tighten if necessary. It is recommended that the dominant hand always rests
on the main handle and the other hand rests on the additional handle. This will ensure stable and safe handling during operation,
which will reduce the risk of injury and make it easier to prevent the causes and eff ects of kickback towards the operator. Removal
of the auxiliary handle is done in reverse to assembly.
HANDLING OF THE GRINDING DISCS
ATTENTION! Install the abrasive discs when the supply voltage is disconnected. Unplug the power cord of the grinder from the
socket!
Installation of the grinding disc
The disc is mounted on the spindle by means of fi xing fl anges. Place the inner fi xing fl ange on the spindle so that the cut-outs in
the upper surface of the fl ange fi t the spindle tab (IV).
Attach the disc to the inner fi xing fl ange so that the disc opening fi ts into the convex central part of the inner fi xing fl ange, then
screw the outer fi xing disc (IV) onto the spindle. The maximum thickness of the grinding disc must not exceed 3.2 mm (V). Lock
the disc with a V-spanner, then tighten the lower mounting fl ange with a socket spanner (IV). The ends of the V-spanner should be
placed in the vents of the disc, thus blocking its rotation. The V-spanner must be removed before starting work.
Removal of the grinding disc
Turn off the grinder and pull the plug out of the power outlet. Lock the disc with a V-spanner, unscrew the lower mounting fl ange
with a socket spanner and then remove the grinding disc from the spindle. Clean the spindle and the fi xing fl anges of dust and
other contaminants generated during operation.
O R I G I N A L
I N S T R U C T I O N S
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