Podcast
Questions and Answers
What precaution should be taken before maintaining the inside of a piece of equipment?
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?
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?
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?
What is recommended for maintaining a pneumatic device due to its rubber parts?
What should be considered during a regular inspection or mooring regarding power sources?
What should be considered during a regular inspection or mooring regarding power sources?
What is the recommended cleaning method for electric parts in a pneumatic device?
What is the recommended cleaning method for electric parts in a pneumatic device?
What precaution is advised when overhauling a pneumatic device that includes springs?
What precaution is advised when overhauling a pneumatic device that includes springs?
What is the crucial step to take when connecting a DEKABON tube to a pneumatic device?
What is the crucial step to take when connecting a DEKABON tube to a pneumatic device?
What should be avoided when reassembling a pneumatic device after cleaning?
What should be avoided when reassembling a pneumatic device after cleaning?
What precaution is recommended before removing a pneumatic device from its connected pipe line?
What precaution is recommended before removing a pneumatic device from its connected pipe line?
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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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