Hilti DD 150-U Mode D'emploi page 59

1. Lock the carriage with the carriage lock. Check to ensure that it is securely fastened.
2. Remove the end stop screw from the rear section of the column.
3. Attach the Rota-Rail so that the toothed racks are facing the same direction.
4. Tighten the screw on the Rota-Rail securely.
5. Release the carriage lock and run the carriage along the rail on to the Rota-Rail.
6. Slacken the securing screws of the Rota-Rail and turn the device to the left or right with the Rota-Rail.
This will give you access to the drill hole.
7. Remove the core or change the core bit.
8. Turn the tool with the Rota-Rail back to its original position and tighten the securing screws of the
Rota-Rail. Move the tool back to the column of the stand to resume work.
9. After removing the Rota-Rail, refit the end stop screw on the rear section of the column.
7 Care and maintenance
WARNING
Electric shock hazard! Attempting care and maintenance with the supply cord connected to a power outlet
can lead to severe injury and burns.
▶ Always unplug the supply cord before carrying out care and maintenance tasks.
Care
• Carefully remove stubborn dirt from the tool.
• Clean the air vents carefully with a dry brush.
• Use only a slightly damp cloth to clean the casing. Do not use cleaning agents containing silicone as
they can attack the plastic parts.
Maintenance
WARNING
Danger of electric shock! Improper repairs to electrical components may lead to serious injuries including
burns.
▶ Repairs to the electrical section of the tool or appliance may be carried out only by trained electrical
specialists.
• Check all visible parts and controls for signs of damage at regular intervals and make sure that they all
function correctly.
• Do not operate the product if signs of damage are found or if parts malfunction. Have it repaired
immediately by Hilti Service.
• After cleaning and maintenance, fit all guards or protective devices and check that they function correctly.
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by Hilti for use with the product can be found at your
local Hilti Store or online at: www.hilti.group.
7.1 Care of diamond core drilling machine
▶ Do not use a spray, pressure jet washer or running water for cleaning.
▶ Prevent unnecessary exposure of the battery to dust or debris and never subject the battery to
soaking moisture (e.g., submerged in water or left out in the rain).
▶ Clean the chuck and the clamping segments with a cloth at regular intervals and lubricate the parts with
Hilti lubricant spray.
▶ Remove all particles of foreign matter from the chuck.
▶ Occasionally remove the filter from the water inlet in the side handle and flush the filter mesh with water
in the direction opposite to the normal water flow.
▶ Remove and clean the water flow rate indicator as soon as it is dirty.
▶ Do not use abrasive cleaning agents or sharp objects to clean the sight glass.
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