Hilti DD 350 Mode D'emploi Original page 18

4.2 Gear selector for core bit diameter
Core bit diameter ⌀
1 52 mm ...62 mm
2 72 mm ...92 mm
3 102 mm ...112 mm
4 122 mm
5 127 mm ...142 mm
6 152 mm ...162 mm
7 172 mm ...182 mm
8 202 mm
9 225 mm ...250 mm
10 300 mm ...500 mm
5 Operation
5.1 Preparations at the workplace
WARNING
Risk of injury. When a drill stand is used, it can spin or topple if it is not adequately secured.
▶ Before using the diamond core drilling machine, secure the drill stand to the work surface with
anchors or with a vacuum base plate.
▶ Use only anchors suitable for the base material and comply with the anchor manufacturer's
instructions.
▶ Use a vacuum base plate only when the work surface is suitable for securing the drill stand by the
vacuum method.
5.1.1 Setting up the drill stand
1. Slacken the screw at the top at the brace and the screw at the bottom at the pivot joint of the rail.
2. Bring the rail into the vertical position.
3. Tighten the screw at the top at the brace and the screw at the bottom at the pivot joint of the rail.
4. Install the cover with the integral end stop at the top end of the rail.
5.1.2 Installing the hand wheel
Note
You can install the hand wheel on the right or left side of the carriage on two different shafts.
If you install the hand wheel on the top shaft, the shaft acts directly on the drive of the carriage.
If you install the hand wheel on the bottom shaft, the shaft acts through reduction gearing on the drive
of the carriage.
1. Install the hand wheel on the shaft of your choice on the appropriate side.
2. Secure the hand wheel with the screw.
5.1.3 Securing the drill stand with an anchor
WARNING
Risk of injury The tool may become detached and cause damage if the wrong anchor is used.
▶ Use an anchor suitable for the base material on which you are working and observe the anchor
manufacturer's instructions. Please contact Hilti Technical Service if you have any questions about
secure fastening.
8 English
Printed: 18.10.2017 | Doc-Nr: PUB / 5236054 / 000 / 02
Core bit diameter ⌀
2 in ...2 3/8 in
2 3/4 in ...3 1/2 in
4 in ...4 1/2 in
4 3/4 in
5 in ...5 1/2 in
6 in ...6 3/4 in
6 3/4 in ...7 in
8 in
9 in ...10 in
12 in ...20 in
5
6
No-load speed (240 V) No-load speed (110 V)
667 /min
667 /min
667 /min
619 /min
571 /min
524 /min
405 /min
357 /min
310 /min
286 /min
667 /min
667 /min
619 /min
571 /min
524 /min
464 /min
369 /min
321 /min
286 /min
238 /min