Bosch GBH Professional 2-28 D Originalbetriebsanleitung Seite 12

OBJ_BUCH - 1232 - 004 .book Page
by hand.
 For drilling without impact in wood, metal, ceramic
of the symbols and their meaning. The correct
and plastic as well as for screwdriving, tools without interpretation of the symbols will help you to use the SDS-
plus are used (e.g., drills with cylindrical shank). machine in a better and safer manner.
For these tools, a keyless chuck or a key type drill chuck
are required.
 GBH 2-28 DFV: Only use quick change chucks with
3 identification grooves (standard delivery scope) or
2 identification grooves (accessory/spare part) – see
figure 1, page 134.
– The quick change chuck is automatically locked.
Check the locking effect by pulling the quick change
chuck.  Inserting SDS-plus Drilling Tools: Check the
latching by pulling the tool.
 Replace a damaged dust protection cap immediately.
The dust protection cap
prevents the penetration of drilling dust into
the tool holder during operation. When inserting the
tool, pay attention that the dust protection cap is not
damaged.
 Dusts from materials such as lead-containing coatings,
some wood types, minerals and metal can be harmful
to one's health and cause allergic reactions, lead to
respiratory infections and/or
Materials containing asbestos may only be
worked by specialists. – As far as possible, use a dust
extraction system suitable for the material.
– Provide for good ventilation of the working place.
– It is recommended to wear a P2 filter-class respirator. Observe the relevant
regulations in your country for the materials to be worked.
 Prevent dust accumulation at the workplace. Dusts can
easily ignite.
 If the application tool should become blocked, switch the
machine off. Loosen the application tool.
 Before switching on the power tool, make sure that the
application tool moves freely. When switching on with a
blocked drilling tool, high torque reaction can occur.
Always wait until the machine has come to a
complete stop before placing it down. The tool insert can
jam and lead to loss of control over the power tool.
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12 Wednesday, April 20 , 2011 1:00 PM
The following symbols are important for reading and
understanding the operating instructions. Please take note
largely
cancer.
English | 9
Symbol Meaning
Bosch Power Tools