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5
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WARNING
16. In case that Pole Base is fixed, ensure to fix it at stable place.
17. If accessories are broken, don’t use it. Repair or replace.
18. Check the Core Bit, tube and coupling with no crack, tipping or deformation by visual
confirmation. In addition, check the excessive wearing at edge of Core Bit or part of
shank. If there is any abnormal things, never use Core Bit.
19. If the cutting performance becomes lower, do dressing. If you use lower performance
Core Bit, it becomes high temperature and break, then there is possibility to get
injured.
◎
Drill to rough grind stone or soft cutting material. (Concrete block, brick, or grind stone)
CAUTION
1. Do not overload with Core Drill.
◎
Use the machine according to the machine capacity of specifications in order to use safely
and efficiently.
2. When drilling, please supply the water for sure.
◎
Overheating of Core Bit reduces not only drilling performance but also its life. So make
sure to keep supplying water during drilling operation.
◎
Use clean water only. Using the dirty water may cause machine failure.
3. Do not turn on the motor with Core Bit facing to the drilling surface.
◎
It causes the damages for Core Bit and Core Drill.
4. When starting the
drilling
, please wait until the rotating is increased.
◎
Regarding the drilling work, turn the switch on and wait until the rotating is increased fully.
5. Do not stop rotating
of
Core Bit by forcing the power on the Feeding handle during
drilling, and do not lock the Core Bit.
◎
It might cause the damages for the chip of Core Bit and Core Drill.
6.
When
releasing your hands from the Feeding handle, please make sure that Lock
dial is tighten, then, fix the Drill Head.
◎
When loosening Lock dial, please hold the Feeding handle in order not to move the Drill
Head.
