User manual HILTI DD-REC 1

[. . . ] DD-REC1 D GB F I NL E Bedienungsanleitung 1­ 9 Operating instructions 11­19 Mode d'emploi 21­29 Istruzioni d'uso 31­39 Gebruiksaanwijzing 41­49 Manual de instrucciones 51­60 337351 *337351* 1 µº ¶ º¾²¸ ¹ 0/1 0/1 ¿»³·´ 0/1 DD EC-1 2 3 0/1 0/1 DD EC-1 4 5 0/1 6 max min 7 8 9 0/1 10 11 12 13 14 1/4 0/1 3x 15 0/1 DD-REC1 water recycling system It is essential that the operating instructions are read before the unit is used for the first time. Always keep these operating instructions together with the unit. Ensure that the operating instructions are with the unit when it is given to other persons. General information In these operating instructions, this symbol indicates points of particular importance to safety. [. . . ] It then takes about 20 seconds for the internal parts of the system to fill with water. During this time, the water supply system is not fully operational. Subsequently, the green ON indicator lights to show that the unit is ready for use. ­ Start the water supply system by operating the switch on the DD EC-1 diamond core drilling machine. Adjust the water volume as desired by turning the regulator ­ Rinse out the remaining slurry and, if necessary, remove dried-on remains. Wipe the inside of the sight glass with a soft cloth. Clean the surfaces of the seals on the container carefully . Rinse out the container under running water. Do not use a high-pressure cleaning system. ­ Clean the main filter (see below). ­ Fill the container as described above, close it and then insert it in the housing. Regenerating the main filter ­ Regeneration of the main filter is recommended in the following situations: ­ When malfunctions caused by blockage of the main filter are experienced ­ Each time the container is refilled ­ Remove the container from the housing as described above and open it. ­ Unscrew the main filter from the cover. When doing so, do not hold the filter by the ceramic body. Instead, grip it only by the black grip section on the underside of the main filter (reduces risk of breakage) . ­ Clean the main filter under running water, using the cleaning pad supplied, by rubbing it in a longitudinal direction on all sides until the light colour of the ceramic body reappears . During this process, the outermost surface of the ceramic body is rubbed off. This regeneration procedure can be repeated up to about 20 times until the minimum wall thickness of the ceramic body is reached. ­ Check the wall thickness of the ceramic body. The main filter must be replaced as soon as the black plastic ring inset in the middle of the ceramic body is flush with the surface of the filter. Failure to observe this point could result in cracking or breakage of the ceramic body . Replace it immediately if cracked or broken. [. . . ] 18 Troubleshooting Fault Unit doesn't start Solution Plug in another electric appliance and check whether it works. Supply cord or plug defective The cord should be checked and replaced if necessary by an electrical specialist. Unit defective The unit should be repaired at a Hilti service centre. Acoustic warning signal Core bit or diamond core drilling Check for free flow and eliminate (without warning lamp) machine blocked blockage. [. . . ]