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English
27
Equipment
Core bit diameter ⌀
Drilling direction
Standard
working length
With water collection system
52 mm...250 mm
All directions
500 mm
System without water
52 mm...500 mm
All directions
500 mm
3.7 Indicators
Status
Meaning
Service indicator shows
• Have the product repaired by
Hilti
Service.
Service indicator flashes briefly
• Fault affecting the product.
Service indicator flashes steadily
• Have the product repaired by
Hilti
Service.
Indicators for cooling and electrical fault show
• Check the water flow rate.
Indicators for cooling and electrical fault flash
• Check the electricity supply.
Drilling performance indicator shows green
• Optimum contact pressure (after the hole has
been started).
Drilling performance indicator shows orange
• Low contact pressure, e.g. when starting a hole.
Drilling performance indicator shows red
• Contact pressure too high.
3.8 Items supplied
Diamond core drilling machine, operating instructions.
Other system products approved for use with this product can be found at your local
Hilti Store
or online at:
www.hilti.group
| USA:
www.hilti.com
.
4 Technical data
4.1 Diamond core drilling machine
Note
For rated voltage, rated current, frequency and/or input power, refer to the country-specific type
identification plate.
If the tool 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 tool. The operating voltage of the
transformer or generator must always be 5% and -15% of the rated voltage of the tool.
DD 350
Chuck
BL
Max. permissible water pressure
6 bar
Minimum flow rate (max. +30 °C)
0.5 ℓ/min
Weight (basic machine) in accordance with EPTA procedure 01
14.4 kg
Weight (drill stand) in accordance with EPTA procedure 01
20.5 kg
Rated power input
3,600 W
Max. drilling depth without extension
500 mm
Protection class
I
Portable residual current device
PRCD
Protected against dust and water
IP 55
4.2 Gear selector for core bit diameter
Core bit diameter ⌀
Core bit diameter ⌀
No-load speed (240 V) No-load speed (110 V)
1
52 mm …62 mm
2 in …2 3/8 in
667 /min
667 /min
2
72 mm …92 mm
2 3/4 in …3 1/2 in
667 /min
667 /min
3
102 mm …112 mm
4 in …4 1/2 in
667 /min
619 /min
4
122 mm
4 3/4 in
619 /min
571 /min
Printed: 02.11.2017 | Doc-Nr: PUB / 5145256 / 000 / 04
Summary of Contents for DD 350
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