YATO YT-82772 Manual Original página 14

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PRODUCT USE
Using right or left rotation direction
Right rotation to be applied when drilling with commonly used right-hand drill bits.
Left rotation to be applied in case the right-hand drill bit is cogged in the material and when unscrewing screws.
When unscrewing the screws, use minimum rotation.
Drilling in wood
Before drilling a bore it is recommended to fi x the workpiece with a carpenter's clamp or in the vice, and then mark the place of
drilling using a punch or nail. Attach the drill bit to the drill chuck, fi x the speed, connect the drill to the mains and start drilling.
In case of drilling through bores, it is recommended to place a wooden pad under the material, to prevent the bore edge at the
outlet from being jagged.
When making large diameter bores, it is recommended to drill a smaller guiding bore earlier.
Drilling in metals
It is required to secure the work piece fi rmly.
In case of thin sheet metal, it is advisable to place a piece of wood beneath to avoid unwanted bends etc. Then mark the place of
bores to be drilled with the punch and start drilling. Use drill bits for steel. When drilling in white cast iron, it is recommended to use
drill bits with self-bonded carbide tips. When drilling larger bores, it is recommended to make a smaller guiding bore earlier. When
drilling in steel use machine oil for cooling the drill bit. For aluminium, use turpentine or paraffi n as a coolant.
Never use coolants when boring in brass, copper or cast iron. In order to cool it down, often remove the drill bit from the material
to let it cool.
Drilling in ceramic materials
Drilling in hard, compact materials (concrete, hard brick, stone, marble, etc.)
Prior to drilling the right bore, drill a smaller bore without hammer function. Make the right bore with the hammer function on. Use
hammer self-bonded carbide tips in good condition.
Drilling in glaze, soft brick, plaster, etc.
Drill as specifi ed above but with hammer function off .
Occasionally remove the drill bit from the drilled bore in order to get rid of dust and waste. When drilling, press the tool strongly
with constant force.
In case of drilling, where the drill chuck is directed upwards it is recommended to use a cover of a drill chuck (off ered separately),
which protects the dust from penetration into a tool chuck. A cover is made of fl exible plastic and has a slot through which a drill
bit mounted in a drill chuck should be inserted.
Adjustments of the angle of the chisel
Certain hammering tools require adjustments to a certain angle, in order to guarantee a safe and ergonomic operation, for exam-
ple chisels and cutters. It is possible to use for this purpose an adequate operating mode selector. Install the tool in the chuck in ac-
cordance with the recommendations indicated in the manual. Set the selector to the hammer symbol with an arrow, and then press
the switch. The tool will start to rotate in accordance with the selected direction of rotation. Release the switch, once the tool has
reached the required position. Set the operating mode selector to the hammering position – hammer symbol, and then start work
Cutting out holes
Drill can be used for drilling larger bores in wood using a special fi xed-diameter drill bits or replaceable tips from a set of jigsaws
for holes.
To prevent burrs, jagged edges of the bore at the bore outlet, place a piece of waste wood beneath the material.
Using attachments
Drills with variable rotation direction should not be used to drive attachments.
Additional notes
Do not exert too much pressure on the processed material during operation and do not make any sudden movements to prevent
damage to the tool inserted and the product.
Make regular breaks during the work.
Do not overload the tool - temperature of outside surfaces can never exceed 60 °C.
After the work is complete switch off the product, dismount the battery and perform maintenance and inspection operations.
Declared total value of vibration was measured by means of standardized test method and can be used to compare one tool with
the other. Declared total value of vibration can be used in the initial exposure assessment.
Note! Emission of vibration when working with the tool may vary from the declared value, depending on how the tool is used.
O R I G I N A L
I N S T R U C T I O N S
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