Hilti DD 150-U Mode D'emploi Original page 23

• Use only extension cords of a type approved for the application and with conductors of adequate gauge
(cross section). The power tool may otherwise suffer a drop in performance and the extension cord may
overheat.
• Check the extension cord for damage at regular intervals.
• Replace damaged extension cords.
• When working outdoors, use only extension cords that are approved and correspondingly marked for
this application.
Recommended minimum conductor cross-sections and maximum power cord lengths with 120V
supply voltage
Cord
Conductor cross section
Conductor cross section
Cord length
Cord length
6 Preparations at the workplace
WARNING
Risk of injury! The drill stand can rotate or topple if not securely fastened.
▶ 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.
6.1 Securing the drill stand with an anchor
1. Use the anchor that is suitable for the corresponding base material (Hilti metal expansion anchors, M12
or M16).
Distance of base plate → page 15
2. Screw the clamping spindle into the anchor.
3. Back off all leveling screws until the base plate is flush with the surface.
4. Slip the drill stand over the clamping spindle and align the drill stand.
5. Screw the clamping spindle nut on to the clamping spindle but do not tighten it.
6. Level the base plate by turning the 4 leveling screws.
All leveling screws make be seated firmly on the surface.
7. Tighten the clamping spindle nut with a suitable open-end wrench.
8. Check that the drill stand is secure.
Distance of base plate
Select the distance to suit the base plate used.
Ideal distance of the mark on the anchor base plate from the hole center
Ideal distance of the mark on the combination base plate from the hole center
6.2 Securing the drill stand by vacuum
DANGER
Risk of injury if the diamond core drilling machine falls !
▶ Fastening the drill stand to the ceiling only by means of the vacuum securing method is not permissible.
A heavy structural support or a threaded spindle, for example, can serve as an additional means of
fastening.
*2204401*
AWG 16
1,31 mm²
2,58 kcmil
25 m
75 ft
4
5
2204401
AWG 14 AWG 12
2,08 mm² 3,31 mm²
4,11 kcmil 6,53 kcmil
30 m 50 m
100 ft 150 ft
AWG 10
5,26 mm²
10,4 kcmil
100 m
250 ft
10 1/2 in
11 1/2 in
English 15