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Speed-change switch
Recommended speeds for maximum drilling performance
Speed (r.p.m.)
Wet (dia. in mm)
3 (3900)
8–25
2 (2400)
20–32
1 (1200)
30–87
Dry drilling
Extraction and
Vacuum cleaner connection
water supply
Power supply
Electric supply as per
rating plate
Speed selection
Select correct speed
Hole-starting aid
Use centering disc
Core bit
Use DD100-D diamond core
bits
Caution:
DD-BI-HCW core bits (hand held) must be used for drilling anchor holes!
8
Printed: 07.07.2013 | Doc-Nr: PUB / 5069507 / 000 / 00
Important:
Wet and dry-drilling core bits are designed for
a drilling contact pressure of 250 N (25 kg). In-
sufficient pressure can lead to polishing of the
segments and a reduction of drilling perfor-
mance. Polished/blunt core bits can be
resharpened e.g. using the Hilti sharpening
plate (item no. 51343/3).
Dry (dia. in mm)
16– 42
35– 67
56–162
Wet drilling
Water connection and
water extraction
Electric supply as per rating
plate
Safety device according to
national
approval for the use of this
hand-held electric tool
Select correct speed
Use centering ring
Use DD100-W core bits
Water collector
Insert the guide pin (➀) on the water collec-
tor holder into the boss (➁) in the side handle
collar.Press the frame of the water collector
holder into its guide on the side handle collar
(➂).
If the sealing ring supplied with the diamond core bit begins to leak, it must be replaced.
Re-ordering information: The diameter range is printed on the sealing disc.
Insert the centering ring (➀) for the appropriate
core bit diameter into the ring holder (➁).
Insert the water collector (➂) and press it down
firmly into the holder. Connect the water ex-
traction hose.
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