Connecting the water cooling/dust extraction system

If wet or dry core bits are not sufficiently cooled when drilling, the diamond segments can become damaged or the core bit can jam in the drill hole. You should therefore ensure that the water cooling system provides sufficient cooling when wet drilling, or that the dust extraction system is functioning properly when dry drilling.

When expanding an existing hole, this must be sealed carefully to allow the core bit to be sufficiently cooled.

Attach the water connection adapter (12) to the claw coupling (6) and tighten it by turning it clockwise as far as possible.

Close the water cutoff valve (10). Connect a water supply line to the valve adapter (11). The water supply line can be provided from a mobile pressurised water tank (accessory) or a stationary water connection.

You will need a water collection ring and a wet/dry extractor (both accessories) to collect the water that escapes from the drill hole during wet drilling.

The water collection ring see Accessories/replacement parts is intended for use with the drill stand for diamond drills GCR 180 and the diamond drill GDB 180 WE.

Cut an opening for the required drilling diameter in the sealing cover.

Push the tension spring (33) as far as possible into the gap between the base plate (25) and drill column (20). Make sure that the angled section of the tension spring is facing downwards.

Put the water collection ring in position and place the tension spring on the contact points on the water collection ring. (The lugs on the ends of the tension spring are used to pull the tension spring upwards.)

The tensioning force of the spring will press the water collection ring with its seal onto the surface. Together with the vacuum of the wet/dry extractor, this will prevent water from escaping.

The dust from materials such as lead paint, some types of wood, minerals and metal can be harmful to human health. Touching or breathing in this dust can trigger allergic reactions and/or cause respiratory illnesses in the user or in people in the near vicinity.
Certain dusts, such as oak or beech dust, are classified as carcinogenic, especially in conjunction with wood treatment additives (chromate, wood preservative). Materials containing asbestos may only be machined by specialists.

  • Use a dust extraction system that is suitable for the material wherever possible.
  • Provide good ventilation at the workplace.
  • It is advisable to wear a P2 filter class breathing mask.

The regulations on the material being machined that apply in the country of use must be observed.

Attach the extraction adapter (13) to the claw coupling (6) and tighten it by turning it clockwise as far as possible.

Attach the extraction hose (15) of a wet/dry extractor that is compatible with and recommended for this system see Accessories/replacement parts to the extraction outlet (14).