D4X
D4X Operator’s Manual
6
2. SAFETY PRECAUTIONS
1. Before beginning, read this Operator’s Manual and complete proper occupational
safety and health training.
2. Use the machine only in applications specified in this Operator’s Manual.
3. The machine must be complete and all parts must be genuine and fully operational.
4. The specifications of the power source must conform to those specified on the
rating plate.
5. Connect the machine to a properly grounded power source. The power source must
be protected with a 16 A fuse for 230 V or a 32 A fuse for 115 V. When used on
building sites, supply the machine through an isolation transformer with class II
protection only.
6. Never carry the machine by the power cord and never pull the cord because this
may damage it and result in electric shock.
7. Transport and position the machine by using the carrying handle and only when the
MAGNET switch is set to the position ‘O’.
8. Untrained bystanders must not be present near the machine.
9. Before beginning, make sure that the correct is the condition of the machine, power
source, power cord, plug, control panel components, and tools.
10. Keep the machine dry, and do not expose it to rain, snow, or frost.
11. Never stay below the machine placed at heights.
12. Keep the work area well lit, clean, and free of obstacles.
13. Install the tools securely. Tighten the annular cutter by using the set screws, and
hammer in the drill bit into the spindle. Remove adjusting keys and wrenches
from the work area before connecting the machine to the power source.
14. Never use cutters that are dull or damaged.
15. Do not make holes whose diameter or depth differ from those specified in the
technical data.
16. Install and remove tools by using protective gloves and only when the power cord
is unplugged from the power source.
17. Never use annular cutters without a pilot pin except when drilling incomplete
through holes. Never use arbors without a spring.
18. Never use near flammable liquids or gases, or in explosive environments.
19. Never use the machine on surfaces that are rusty, covered with a thick paint layer,
uneven, or not rigid.
