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Trouble with radio-controlled hydraulic cylinder grab bucket and
troubleshooting〜 Grab main body 〜

    Bucket will not close

  • (1)The cylinder slips when it is starting to close
  • (2) The edges open after closing

  • Bucket will not open

  • (1)Sometimes will not open
  • (2)Will not open from the start
  • (3)Stops opening midway
  • (4)Stops moving midway

  • Bucket opens midway

  • (1)Opens a little
  • (2)Continues opening (all the way)

Trouble with radio-controlled hydraulic cylinder grab bucket and
troubleshooting〜 Electric, radio control 〜

    Trouble with radio control

  • (1)The receiver will not light up
  • (2)The receiver relay is not working
  • (3)The electromagnetic valve is not working; the pilot lamp above the electromagnetic valve turns ON when the transmitter button is pressed.

Trouble with radio-controlled device and troubleshooting

    Trouble with radio control

  • (1)The receiver will not light up
  • (2)The transmitter will not light up
  • (3)The receiver relay is not working
  • (4)The electromagnetic valve is not working

  • Bucket will not close

  • (1)The open/close claws will not catch
  • (2)The claws will not become perpendicular
  • (3)The claws loosen after catching

  • Bucket will not open

  • (1)Sometimes will not open
  • (2)Will not open from the start
  • (3)Stops opening midway
  • (4)The claws move a little but will not open

  • Bucket opens midway

  • (1)Sometimes occurs
  • (2)Trouble closing after opening midway

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