Shibuya R1511, Инструкция оператора, Страница: 22 / 32

21
TROUBLESHOOTING
If you have any troubles during operation, refer to the followings.
Troubles What to do first Possible Causes Countermeasures
Fragments of iron or stone Is
jammed between the Core-Bit
and the drilled core.
Take the following procedures in
order.
(1) Disconnect Core-Bit from
Motor
(2) Rotate the Core-Bit with a
Spanner.
(3) Pull out the Core-Bit with the
Tool to take out bit *1 from
the concrete. And the, get rid
of the fragments.
(4) Crack around the Core-Bit
with a Power Tool like a
Hammer Drill.
Improper installation of the Drill
Stand. Disconnect Core-Bit from Drill
Motor, and then, install the Drill
Stand properly.
Carriage Block has a play on the
Column, and Core-Bit is likely to
be bent in the concrete. Adjust the Carriage Block so as to
improve its stability on the
Column.
Core-Bit is
jammed.
(1) Turn off the switch.
(2) Unplug the Machine
from a power
source.
(3) Check the possible
causes written in the
right side columns.
Segments of Core-Bit are worn
out. Replace the Core-Bit with new
one.
(1) Turn off the switch.
(2) Unplug the Machine
from a power source.
(3) Check the drained
water.
The Machine is cutting rebar if
iron powder is shown in the
drained water
Resume the operation, and take
care not to push the Core-Bit too
hard.
Segments are worn out. Replace the Core-Bit with new
one.
Diamonds on segments are
invisible. (Segments are glazed.)
Drill bricks, or grind the Segments
with abrasives so that the
Diamonds can appear on the
surface of the Segments.
(1) Turn off the switch.
(2) Unplug the Machine
from a power source.
(3) Check the Core-Bit.
Concrete slurry is stuck between
the segments. Increase the amount of cooling
water or grind the segments with
abrasives.
Carriage Block has a play on the
Column. Adjust the Carriage Block.
Spindle Shaft of the Motor is bent. Have the Spindle replaced by
Shibuya's authorized dealer.
Drilling
performance
goes down.
(1) Turn off the switch.
(2) Unplug the Machine
from a power
source.
(3) Check the possible
causes written in
the right side
columns. The tube of the Core-Bit is out of
shape.
Replace the Core-Bit with new
one.
*1 The Tool to take out bit is available as an optional item, which enables you to take out easily the
jammed Core-Bit from the concrete by the driving force of its threads. (Refer to Page 26.)