1 Information about the documentation
1.1 Explanation of signs used
1.1.1 Warnings
Warnings alert persons to hazards that occur when handling or using the product. The following signal words
are used in combination with a symbol:
DANGER! Draws attention to imminent danger that will lead to serious personal injury or fatality.
WARNING! Draws attention to a potentially dangerous situation that could lead to serious per-
sonal injury or fatality.
CAUTION! Draws attention to a potentially dangerous situation that could lead to slight personal
injury or damage to the equipment or other property.
1.1.2 Symbols
The following symbols are used:
Draws attention to instructions or other useful information.
Read the operating instructions before use.
Rated speed under no load
Revolutions per minute
Revolutions per minute
Direct current (DC)
1.1.3 Illustrations
The illustrations in these operating instructions are intended to convey a basic understanding and may differ
from the actual version of the product:
These numbers refer to the corresponding illustrations found at the beginning of these operating
instructions.
The numbering in the illustrations reflects the order of the work steps in the illustration and may
deviate from the numbering of work steps in the text.
Item reference numbers are used in the overview illustration. In the product overview section, the
numbers shown in the legend relate to these item reference numbers.
1.2 About this documentation
▶ Read these operating instructions before the product is used or operated for the first time. This is a
prerequisite for safe, trouble-free handling and use of the product.
▶ Observe the safety instructions and warnings in this documentation and on the tool.
▶ Always keep the operating instructions with the power tool and make sure that they are with the power
tool when it is given to other persons.
Changes and errors excepted.
1.3 Product information
Hilti products are designed for professional use and may be operated, serviced and maintained only by
trained, authorized personnel. This personnel must be informed of any particular hazards that may be
encountered. The product and its ancillary equipment may present hazards when used incorrectly by
untrained personnel or when used not as directed.
•
Make a note of the designation and serial number printed on the identification plate in the following table.
▶ Always quote this information when you contact a Hilti representative or Hilti Service to enquire about
the product.
1