Shibuya H2021 - CLEANING

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8.2.4 Stop drilling
WARNING
Do not let the water and/or concrete slurry splash on the drill motor, cable, plug, and the power
supply.
Follow the procedure below.
1) When the core bit reaches the desired depth, turn the feed handle backwards to pull out the core
bit from the surface of the drilling object.
2) Tighten the stopper-knob to fix the carriage block on the column.
3) Turn off the main switch to stop the drill motor.
4) Close the water cock to stop water supply.
5) Unplug the drill motor, and then remove the core bit from the spindle.
6) Loosen the stopper-knob, and turn the feed handle to pull up the carriage block until the upper end
of the column.
7) Lift up and remove the drill motor with the carriage block from the column.
8) Remove the drill stand from the surface of the drilling object.
8.2.5 Remove cores with the core removal lasso
WARNING
 The core removal lasso is designed for concrete core removal purpose only. Never use it
for any other purposes.
 Even though this tool has enough wire length to pull up 250 mm (10”) diameter cores, the
maximum applicable core size depends on the weight and length of the core, and
situations.
Follow the procedure shown in the illustration below.
9. CLEANING
WARNING
 Always disconnect the drill motor from power supply before starting any maintenance,
cleaning, and inspection.
 Never immerse the drill motor in water or any other kind of liquid. It may cause electric
shocks to the operator and others, and short circuit of the motor.
Cleaning procedure is following.
1) Ensure that the drill motor is unplugged from power supply, before start cleaning.
2) Wipe off each part of the drill motor with a wet towel which was tightly wrung.
3) Wipe off each part of the drill stand with a wet towel.
4) Wash away concrete slurry stuck on the base, the leveling bolts, and the column.
5) Rub each part of the machine with a dry cloth.