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h) Do not use this drill tool for overhead drilling with water supply. Water entering the power
tool will increase the risk of electric shock.
4.1.3 Additional safety precautions
Personal safety
Tampering with or modification of the machine is not permitted.
The machine is not intended for use by inexperienced persons who have received no special
training.
Keep the machine out of reach of children.
Avoid touching rotating parts. Switch the machine on only after it is in the position at the
workpiece. Touching rotating parts, especially rotating accessory tools, may lead to injury. Use
“30mm spacer set” to avoid the feed handle touching to the core bit when using from 200 to 250
mm diameter core bit.
Avoid skin contact with drilling slurry.
Dust from materials, such as paint containing lead, some kinds of wood, concrete / masonry /
stone containing silica, and minerals as well as metal, may be injurious to health. Contact with or
inhalation of the dust may cause allergic reactions and/or respiratory or other diseases to the
operator or bystanders. Certain kinds of dust are classified as carcinogenic such as oak and
beech dust, especially in conjunction with additives for wood conditioning (chromate, wood
preservative). Material containing asbestos must only be handled by specialists. Use a dust
removal system that is as effective as possible. Accordingly, use a suitable vacuum cleaner of the
type recommended by specialists for wood dust and/or mineral dust and which is designed for
use with this power tool. Ensure that the workplace is well ventilated. The use of a dust mask
suitable for the particular type of dust is recommended. Observe national regulations applicable
to the materials on which you intend to use the machine.
The diamond core drilling machine and the diamond core bit are heavy pieces of equipment.
There is a risk of crushing parts of the body. The user and any other persons in the vicinity
must wear suitable eye protection, a hard hat, ear protection, protective gloves and safety
footwear while the machine is in use.
Careful handling and use of electric tools
Make sure that the drill motor is correctly fastened in the drill stand.
Ensure that the accessory tools used have a spindle thread that is compatible with the drilling
machine and that they are secured in the spindle correctly.
Electrical safety
Avoid using extension cords with multiple power outlets and the simultaneous use of several
machines connected to one extension cord.
Never plug into the socket that is not equipped with an earth (ground) conductor.
Before beginning work, check the working area (e.g. using a metal detector) to ensure that
no concealed electric cables or gas and water pipes are present. External metal parts of the
machine may become live, for example, when an electric power line is damaged accidentally.
This presents a serious risk of electric shock.
Make sure that the supply cord is not pinched and damaged as the carriage block advances.
Never operate the machine without the PRCD. Never operate machines without an isolating
transformer if PRCD is not equipped. Test the PRCD each time before use.
Check the machine’s supply cord at regular intervals and have it replaced by a qualified
specialist if found to be damaged. If the machine’s supply cord is damaged it must be replaced by
Shibuya authorized dealer. Check extension cords at regular intervals and replace them if found
to be damaged. Do not touch the supply cord or extension cord if it is damaged while working.
Disconnect the supply cord plug from the power outlet. Damaged supply cords or extension cords
present a risk of electric shock.
Workplace
Approval must be obtained from the site engineer or architect prior to beginning drilling
work. Drilling work on buildings and other structures may influence the static equilibrium of the
structure, especially when steel reinforcing bars or load-bearing components are cut through.
If the drill stand has not been fastened correctly, always move the drill motor mounted on the drill
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