Transport Of The Diamond Core Drilling Machine - Hilti DD 120 Manual De Instrucciones

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3. Fit the new carbon brushes, positioning them exactly the same as the old ones fitted previously.
Take care to avoid damaging the insulation on the indicator lead as you insert the brushes.
4. Screw on the carbon brush covers on the left- and right-hand side of the motor.
5. Run in the carbon brushes by letting the machine run under no load for at least one minute without
interruption.
➥ The indicator lamp goes out after approx. 1 minute's operation.
8
Transport and storage
Transport
▶ Do not transport this product with an accessory tool installed.
▶ Make sure that the equipment is held securely throughout all transport operations.
▶ After transporting, always check all visible parts and controls for signs of damage and make sure that
they all function correctly.
Storage
▶ Always store this product with the electric supply cable unplugged from the electricity supply.
▶ Store this product in a dry place, where it cannot be accessed by children or unauthorized persons.
▶ After a long period of storage, always check all visible parts and controls for signs of damage and make
sure that they all function correctly.
8.1

Transport of the diamond core drilling machine

WARNING
Risk of injury! Parts can work loose and drop off.
▶ Do not lift the diamond core drilling machine and/or the drill stand by crane.
▶ Transport the diamond core drilling machine, drill stand and core bit as separate units.
➥ Use the wheel assembly (accessory) as an aid when transporting the equipment.
▶ Open the water flow regulator before stowing away the diamond core drilling machine.
9
Troubleshooting
▶ If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
9.1
The diamond core drilling machine is not in working order
Malfunction
The service indicator shows
nothing.
*2215140*
Printed: 09.08.2019 | Doc-Nr: PUB / 5431632 / 000 / 02
Possible cause
The PRCD isn't switched on.
Interruption in the electric supply.
The on / off switch is defective.
Fault in the electronics.
Water in the motor.
2215140
Action to be taken
▶ Check that the PRCD is
functioning and switch it on.
▶ Plug in another electric tool or
appliance and check whether it
works.
▶ Check the plug connections,
supply cord, power supply line
and main supply fuse.
▶ Have the machine repaired by
Hilti Service.
▶ Have the machine repaired by
Hilti Service.
▶ Allow the diamond core drilling
machine to dry out completely
in a warm, dry place.
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