Operating Instruction DD AF-CA H (01)

*2289379*
2289379 English 11
Display Explanation
This shows you how deep the drilling system has drilled.
•
shows depth drilled in AF-CA mode since the last reset.
•
shows the total depth the diamond core drilling machine has
drilled in AF-CA mode.
You can toggle the unit of measure (metric or imperial) used for the
readings. Press the button and hold it down for 3 seconds.
This shows you how many holes the drilling system has drilled. The
number is the total of break-through detections and depth-gauge stop
detections.
•
shows the number of holes drilled in AF-CA mode since the last
reset.
•
shows the total number of holes the diamond core drilling machine
has drilled in AF-CA mode.
6.3 Breaks between work and storage at low temperatures
At temperatures below 4 °C (39 °F), the water in the cooling circuit has to be blown out with compressed air
when drilling is interrupted for more than one hour and before the equipment is stowed away.
6.4 Removing the auto-feed unit
1. Lock the carriage with the carriage lock.
2. Disconnect the drilling system from the electricity supply.
3. Close the water flow regulator valve and turn off the water supply.
4. Disconnect the water hose running to the diamond core drilling machine.
5. Take a firm grip on the auto-feed unit and unscrew the securing screw.
6. Remove the auto-feed unit.
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.