Hilti DD-250 E Manual De Funcionamiento página 13

6. Selecting the method of fastening the drill unit
6.1 Anchor fastening
6.3 Bracing using the guide rail
6.5 Using the cross column adaptor
– Very rigid
– No need to drill anchor holes
– Quick method for repetitive drilling
(stitch drilling)
Printed: 07.07.2013 | Doc-Nr: PUB / 5069602 / 000 / 00
– Secure method of fastening for high
drilling performance
– Versatile method
(Suitable for use on wall, ceiling or
floor)
– Can also be used on uneven and
rough surfaces
Caution: The drilling system must not
be operated before the rig has been
secured rigidly in position!
– Quick method
– No need to drill anchor holes
– Very rigid
– Can be used in addition to anchor
fastening or with the vacuum base-
plate
Bracing using the guide rail is not suit-
able for overhead applications.
Caution: The drilling system must not
be operated before the rig has been
secured rigidly in position!
Caution: The drilling system must not
be assembled or operated before the
rig has been rigidly secured in positi-
on.
6.2 Fastening the unit using the vacuum baseplate
6.4 Bracing using the quick-release column
7. Preparing the drilling system for use
7.1 Fastening the baseplate using an anchor and bracing spindle
3
2
1
4
7.1a Fastening the baseplate using an anchor and bracing spindle (continued)
1
– Quick method
– No need to drill anchor holes
An additional method of securing the
rig (chain, rope, brace or support)
must be used for wall and ceiling
applications.
The vacuum baseplate alone is not
suitable for overhead drilling applica-
tions.
Caution: The drilling system must not
be operated before the rig has been
secured rigidly in position!
– Quick and simple method
– No need to drill anchor holes
– Can be used in addition to anchor
fastening and with the vacuum
baseplate
The quick-release column is
not suitable for bracing the rig for
overhead drilling.
Caution: The drilling system must not
be operated before the rig has been
secured rigidly in position!
1. HKD-E M16 internally-threaded
5 anchor (in concrete)
2. Bracing spindle
3. Baseplate
4. Hole-centre indicator
5. Bracing spindle nut
6. Open-end wrench
6
The drilling rig is most stable when the
anchor is positioned at the front end of
the anchor slot (closest to column).
Recommended distance from anchor
to hole centre - approx. 360 mm
1. Tighten the levelling screws (in dia-
gonal sequence) until the baseplate
stands rigidly and securely.
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