Hilti DD 250-CA Original Bedienungsanleitung Seite 49

4.4.1 Total vibration (vector sum of three directions), measured in accordance with EN 62841
Triaxial total vibration (vector sum of vibration) at the hand wheel (star handle) does not exceed 2.5 m/s
(including uncertainty K), in accordance with EN 62841-3-6.
5 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.
CAUTION
Risk of injury! Inadvertent starting of the product.
▶ Unplug the supply cord before making adjustments to the power tool or before changing accessories.
Observe the safety instructions and warnings in this documentation and on the product.
5.1 DD-HD 30: Setting up the drill stand and setting the drilling angle
CAUTION
Crush hazard! Releasing the swivel mechanism on the drill stand can lead to sudden tilting of the rail.
▶ To avoid crush hazards, exercise care when releasing the swivel mechanism.
CAUTION
Risk of injury! The diamond core drilling machine can fall.
▶ Always fit the cover at the end of the rail. It is as both protector and end stop.
1. Loosen the screw at the pivoting joint at the bottom end of the rail and the screw at the top end of the
brace.
2. Adjust the rail to the desired angle.
▶ The angle scale at the rear serves as an adjustment aid.
3. Retighten the two screws securely.
5.2 DD-HD 30: Locking the carriage on the drill stand
1. Pivot the carriage lock in the locked position.
▶ The locking pin must engage in this position.
2. Slightly turn the hand wheel to ensure that the carriage is securely locked.
5.3 Fitting the hand wheel on the drill stand
The hand wheel may be fitted on the left-hand or on the right-hand side of the carriage.
In the case of the DD­HD 30 drill stand, the hand wheel may be fitted on the carriage on two different
axes. The upper axis directly affects the carriage drive and the lower axis affects the carriage drive
with a gear reduction of 1:3.
1. Pull the black ring back to fit the hand wheel.
2. Fit the hand wheel onto the axle.
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