Remote Control System Safety Precautions
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Questions and Answers

What precaution should be taken before maintaining the inside of a piece of equipment?

  • Shut the supply air valve and blow off compressed air
  • Remove all wires from units that prohibit a megger test
  • Turn off the main power switch on the switchboard (correct)
  • Check and turn off all power supply switches

    • What should be done before applying a megger or withstand voltage test to a system?

  • Turn off the main power switch on the switchboard
  • Take off all wires to units that prohibit a megger test (correct)
  • Check and turn off all power supply switches
  • Shut the supply air valve and blow off compressed air

    • What must be done before maintaining or inspecting a pneumatic device/system?

  • Follow the instructions in 'Handling Instructions for Pneumatic Device/System' (correct)
  • Shut the supply air valve and blow off compressed air
  • Turn off the main power switch on the switchboard
  • Check and turn off all power supply switches

    • What is recommended for maintaining a pneumatic device due to its rubber parts?

    <p>Maintain the device according to 'Remote Control Systems Pneumatic Devices'</p> Signup and view all the answers

    What should be considered during a regular inspection or mooring regarding power sources?

    <p>Use shore electric power source instead of internal power sources from generators</p> Signup and view all the answers

    What is the recommended cleaning method for electric parts in a pneumatic device?

    <p>Clean with synthetic detergent or pure ethanol</p> Signup and view all the answers

    What precaution is advised when overhauling a pneumatic device that includes springs?

    <p>Unscrew bolts or nuts carefully while pressing the cover to prevent springs from popping out</p> Signup and view all the answers

    What is the crucial step to take when connecting a DEKABON tube to a pneumatic device?

    <p>Fully insert the tube into the fitting and manually tighten the nut fully</p> Signup and view all the answers

    What should be avoided when reassembling a pneumatic device after cleaning?

    <p>Applying seal tape to the initial screws</p> Signup and view all the answers

    What precaution is recommended before removing a pneumatic device from its connected pipe line?

    <p>Take the pipes off the device but do not unscrew the fittings from the body</p> Signup and view all the answers

    Study Notes

    Operation and Maintenance Guidelines

    • Review the finished plan and the manual before operating or adjusting any remote control system or automation device.

    Safety Warnings

    • Avoid touching moving parts of machines under remote control to prevent injuries.
    • If remote control operation fails unexpectedly, switch control to the engine side, assess vessel safety, and address any problems.
    • Emergency training is highly recommended for operational preparedness.
    • Do not open control/alarm device doors during operation to prevent hazards; keep doors/ covers closed except during maintenance to block dust or foreign materials.

    Operational Checks

    • Ensure all operations with the maneuvering handle are functional before entering or leaving port.
    • Securely press button switches and manipulate control handles/levers to the correct position for accurate operational intent.
    • In emergencies causing engine shutdown, move the maneuvering handle to STOP, confirm vessel safety, then restart the engine.

    Pneumatic System Maintenance

    • Shut the supply air valve and release any compressed air before inspecting or maintaining pneumatic systems.
    • Follow proper protocols as high-pressure pipes are involved.

    Power Source Management

    • During regular checks or mooring, shore electric power can substitute for internal generator power.
    • Voltage drops can lead to misoperations in remote control; ensure power supply switches are off when transferring power sources.

    Maintenance of Pneumatic Devices

    • Regularly maintain pneumatic devices, which consist of rubber components prone to wear, in line with "Remote Control Systems Pneumatic Devices Maintenance Standards 1/1".
    • Delaying maintenance can lead to air leaks and malfunctions, jeopardizing the operation of critical machinery (e.g., main engine, CPP, winch) and overall vessel safety.

    Preparation for Maintenance

    • Familiarize yourself with the function and structure of devices by reviewing the instructions and device drawings (outline and assembly drawings) prior to maintenance activities.

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    Description

    Learn about cautions and safety measures that should be taken before operating, overhauling, or adjusting a remote control system or automation device. This includes warnings about not touching moving machine parts and what to do in case of remote control operations failure.

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