![background image](http://html1.mh-extra.com/html/hilti/dd-250-ca/dd-250-ca_manual_2135231021.webp)
*2279864*
2279864
English
13
3.6
Accessories and spare parts
Spare parts
Item number
Designation
51279
Hose connector
2006843
Carbon brushes 220-240 V
2104230
Carbon brushes 100-127 V
To help ensure safe and reliable operation, use only genuine
Hilti
accessories, spare parts and consumables.
4
Technical data
For rated voltage, rated current, frequency and/or input power, refer to the country-specific rating plate.
If the product is powered by a generator or transformer, the generator or transformer’s power output must
be at least twice the rated input power shown on the rating plate of the product. The operating voltage of
the transformer or generator must always be 5 % and -15 % of the rated voltage of the tool.
DD 250-CA
Weight
15.4 kg
(34.0 lb)
Drilling depth without extension
510 mm
(20 in)
Permissible water supply pressure
≤ 7 bar
Rated speed under no load
1st gear
240 /min
2nd gear
580 /min
3rd gear
1,160 /min
4th gear
2,220 /min
Optimum core bit diameter
1st gear
152 mm … 500 mm
2nd gear
82 mm … 152 mm
3rd gear
35 mm … 82 mm
4th gear
12 mm … 35 mm
Optimum core bit diameter
1st gear
6 in … 20 in
2nd gear
3 1/4 in … 6 in
3rd gear
1 3/8 in … 3 1/4 in
4th gear
1/2 in … 1 3/8 in
Ideal distance of the mark on the anchor base plate from the hole center
267 mm
(10.5 in)
Ideal distance of the mark on the vacuum base plate from the hole center
292 mm
(11.5 in)
4.1
Permissible core bit diameters for various items of equipment
It is essential to comply with the drilling directions approved for the various items of equipment.
For drilling upward, the use of a wet vacuum cleaner in combination with a water collection system is a
mandatory requirement.
DD 250-CA
Ø without accessories
1/2 in … 12 in
Ø with spacer
1/2 in … 18 in
Ø with water collection system and wet-type industrial vacuum cleaner
1/2 in … 10 in
Summary of Contents for DD 250-CA
Page 1: ...DD 250 CA English 1 Fran ais 26 Espa ol 53 Portugu s 81...
Page 2: ...1...
Page 3: ...2 3 4...
Page 4: ...5 6 7 8...
Page 5: ...9 10 11 12...
Page 6: ...13...
Page 8: ......
Page 116: ...108 Portugu s 2279864 2279864...
Page 117: ......
Page 118: ......
Page 119: ......
Page 120: ...Hilti registered trademark of Hilti Corp Schaan Pos 3 20201023 2279864 2279864...