Shibuya H2021 - User Manual

Questions and Answers

J
Joseph GarciaAug 5, 2025
Why does my Shibuya H2021 Drill motor not start?
- C
  Christy PatelAug 6, 2025
  There could be several reasons why your Shibuya drill motor isn't starting: * **Fault in the electric supply:** Try plugging the drill into another power supply and check the extension cord, RCD/GFCI/PRCD, power supply, and the outlet. Replace them if needed. * **Too many power tools:** Disconnect other power tools to ensure the drill motor has enough power (at least 4.0 kVA (100 V), 3.5 kVA (110-120V) or 5.2 kVA (220-240V)). * **PRCD is turned off**: Turn on the PRCD. For other potential issues such as a damaged power cable/plug, main switch, armature/field coil, contact a Shibuya authorized dealer. Also, if the carbon brushes are worn out, replace them.
Q
qloweAug 11, 2025
Why does the Shibuya Drill motor shut off during operation?
- M
  Mrs. Alexis PattersonAug 11, 2025
  The Shibuya drill motor might shut off during operation due to: * **Circuit protector tripped:** Restart drilling, being careful not to apply too much feed pressure. * **Electric power failure**: Check the electric supply with an electrical engineer. If the PRCD tripped, contact a Shibuya authorized dealer, or an electrical engineer.
M
Madison HendersonAug 15, 2025
What to do if the Shibuya Drill core bit does not revolve well or makes abnormal noises?
- J
  John AlvaradoAug 15, 2025
  If your Shibuya drill's core bit isn't revolving well or is making abnormal noises, it could be due to these reasons: * **Gear change knob is not shifted properly:** Shift the gear change knob to engage gears properly. * **Fragments jammed:** Remove any concrete core or other working material fragments, such as rebar or stones, that may be jammed between the core bit and the drilled material.
R
Richard BenitezAug 25, 2025
What to do if water leaks from my Shibuya Drill?
- A
  Amy BeanAug 26, 2025
  If you notice water leaking from the water leakage hole, swivel ring, or spindle shaft of your Shibuya drill, here's what could be happening: * **Water pressure too high:** Reduce the water pressure to less than 3 bar. If the oil seals are worn, contact a Shibuya authorized dealer.
T
taylorjacquelineAug 31, 2025
What to do if the core bit can not be attached to the spindle of Shibuya Drill?
- T
  tpetersonAug 31, 2025
  If you're having trouble attaching the core bit to the spindle of your Shibuya Drill, it might be because: * **Core bit thread blocked:** Clean the thread, or replace the bit if necessary. * **Spindle thread blocked:** Clean the thread. If the spindle was damaged, contact a Shibuya authorized dealer.
G
gomezjasonNov 19, 2025
How to improve the drilling performance of Shibuya H2021 Drill?
- S
  Scott MayoNov 19, 2025
  If the drilling performance of your Shibuya Drill is declining, consider the following: * **Water with iron powders or cutting rebar:** Restart drilling, being careful not to apply too much feeding pressure. * **Insufficient coolant water:** Increase the amount of water supply. * **Worn, damaged, or defective core bit:** Replace with a new core bit. * **Maximum drilling depth reached:** Remove the core and use an extension bar for core bits. * **Base not securely fixed:** Set up the machine again. Redo anchoring securely and adjust the leveling bolts properly. * **Loose screws:** Tighten the screws fastening the base and column, the carriage block and motor. For glazed core bit segments, contact the core bit seller to ask proper sharpening methods. If the aggregate of concret...