ETO ENGINEER

What is the salary of an ETO? Salary of electricians on different vessels in 2025 The salary of Electro-Technical Officers (ETOs) varies significantly based on vessel type, job specifics, and the specialist's qualification level. https://www.eto-engineer.com/2025/03/what-is-the-salary-of-eto.html #ETO #salary #electrician #ElectroTechnicalOfficer

Starlink REV4 on a ship. Experience of using Starlink Internet on a ship In this article I want to share with you my experience of using Starlink on a ship, namely the Starlink REV4 antenna version. ✅ Article ➡️ https://www.eto-engineer.com/2025/03/starlink-rev4-on-ship-experience.html #antenna #communication #GPS #internet #Mikrotik #REV4 #RJ45 #satelliteinternet #shipinternet #SpaceX #Starlink

ELECTROSOLV-E by UNITOR, is a cleaner and degreaser designed for electrical equipment and components. Purpose #ELECTROSOLV-E is used for #cleaning and #degreasing electrical equipment, such as: • #Contacts and #terminals • Electric #motors • Control #panels • Printed #circuit #boards • #Generators • Power #tools Application Method 1. Turn off the equipment: Ensure the electrical equipment is powered off before cleaning. 2. Apply the cleaner: Use a brush, cloth, sponge, or spray directly onto contaminated areas. 3. Allow it to evaporate: ELECTROSOLV-E evaporates quickly, leaving the surface dry. 4. Repeat if necessary: For heavy contamination, use a brush or mechanical cleaning. Safety Precautions • Work in a well-ventilated area. • Use personal protective equipment (#gloves, #goggles). • Avoid inhaling vapors and skin contact. • Store in a tightly sealed container, away from heat and fire sources. This #cleaner is widely used in maritime, industrial, and electrical #maintenance due to its effectiveness in removing oil, grease, dust, and other contaminants from electrical equipment.

Do you think it will work after? 🤔 #ElectricityUnderWater #electricity

#Insulation #putty [ɪnˈsʌleɪʃən ˈpʌti] is a sealing and insulating compound used to protect electrical cables, connections, and penetrations. Applications: 1. Electrical installations – Protects cable joints from moisture, dust, and mechanical damage. 2. #Fire safety – Fills cable penetrations through walls and floors to prevent fire and smoke spread. 3. Sealing cable entries – Ensures tight sealing of cable connections to boxes, panels, and distribution units. 4. #Telecommunications – Used for sealing and protecting fiber optic and coaxial #cables. How to use: • Clean the surface from dust and grease before application. • Knead the putty until it becomes pliable. • Apply it to cover and seal the cable joint completely. • Shape or combine it with other sealants if needed. Some types of insulation putty are fire-resistant and #dielectric, making them essential for complex #electrical #installations.

Your job is not your life ☝️ #job #life

To #extinguish a fire in electrical installations under voltage, use non-conductive extinguishing agents, such as: 1. #Carbon #dioxide (#CO₂) extinguishers (Class C or B:C rated) – Safe for electrical equipment, leave no residue, and do not conduct electricity. 2. Dry powder #extinguishers (ABC, BC types) – Suitable for electrical fires but leave a residue that may require cleaning. 3. Gas-based extinguishing agents (halon replacements, inert gases) – Used in automatic #fire suppression systems. 4. #Aerosol fire suppression systems – Effective for small fires in enclosed spaces. What NOT to use: • #Water (risk of short circuits and electric shock). • #Foam (contains water, which conducts electricity). Whenever possible, power should be turned off before firefighting. If that is not an option, only use extinguishers rated for electrical fires.

The rubber insulation #mat in the photo is labeled HOLDENFLEX and complies with the #IEC 61111:2009 standard. The specifications are: • Class: 2 • Working Voltage: 17,000V • Proof Voltage: 20,000V • Withstand Voltage: 30,000V This means the mat is suitable for electrical installations up to 17 kV, providing protection against electrical hazards. Required #Certification for Rubber Mats Near Electrical Panels on Ships Rubber #mats used near electrical panels on ships must meet international electrical safety standards and maritime classification society requirements. The key certifications include: 1. #IEC 61111 – Standard for electrical insulation mats. 2. #SOLAS (Safety of Life at Sea) – General safety requirements for ships. 3. Classification Society Approvals – Certification from recognized maritime organizations like: • #DNV (Det Norske Veritas) • #Lloyd’s Register (LR) • #ABS (American Bureau of Shipping) • #RMRS (Russian Maritime Register of Shipping) Additionally, the mats should be oil-resistant, flame-retardant, and #resistant to moisture and seawater, ensuring durability in marine environments. Explanation of Parameters: • Working Voltage – Maximum operating voltage the mat can insulate against. • Proof Voltage – Test voltage the mat must withstand during certification tests. • Withstand #Voltage – Short-term maximum voltage the mat can endure without breakdown. How to Choose the Right Class: • #Class 0 – For low-voltage installations up to 1,000V (workshops, labs). • Class 1 – For up to 7,500V, used in distribution panels. • Class 2 – For up to 17,000V, suitable for high-voltage electrical cabinets. • Class 3 & 4 – For up to 36,000V, used in substations and industrial plants. For shipboard applications, Class 1 or 2 is typically sufficient, depending on the voltage of the electrical system. #RubberMats

Slowdown of main engine by lubricator feedback failure. #Wire came loose due to #vibration ⚠️ #slowdown #MainEngine #lubricator #ME

What kind of #sensor is this? #sensors

A #liferaft on a ship is one of the main survival tools in an emergency. Here’s what you need to know: 1. Types of #Liferafts • Inflatable liferafts – automatically inflate when they hit the water or when the painter line is pulled. • Rigid liferafts – do not require inflation but take up more space. 2. Liferaft Requirements • Must comply with #SOLAS (Safety of Life at Sea) and #LSA Code (Life-Saving Appliances). • Designed for a specific number of people (usually 6–150 persons). • Equipped with #navigation lights, sea #anchors, and #survival equipment. 3. Standard Equipment (may vary) • Water and food rations (for at least 48 hours per person). • First aid kit. • Signaling devices (#rockets, #flares, smoke #signals). • Repair kit and pump. • Navigation tools (#compass, sea #anchor). 4. Storage and Launching • Liferafts must be easily accessible. • Can be launched using gravity davits, throw-overboard containers, or manually. • Some liferafts have hydrostatic release units (#HRU), which automatically activate if the vessel sinks. 5. Regular Maintenance • Liferafts must be inspected every 12 months at certified service stations. • Periodic unsealing and full equipment check are required after a few years. 6. Emergency Procedure 1. Put on a life jacket. 2. Locate the liferaft and ensure it is accessible. 3. Deploy and inflate the liferaft (if not already inflated). 4. Board the liferaft using a ladder or evacuation system. 5. Stay near the distress area (if safe) and use signaling devices. 6. Conserve supplies and wait for rescue.

Cleaning sensors of Salwico Fire Alarm System #Salwico #Fire #Alarm #FireAlarmSystem #Consilium #FAS

☁️ "Marine Engineering Manuals" is a cloud of instructions, videos, courses and literature (a closed channel and chat for electricians and engineers). 💡This channel provides a lot of manuals, courses, videos, instructions, drawings, as well as software, firmware for equipment and educational literature. The information on the channel is available online and offline. Just download it to your device and always have access to it, even in the ocean without communication. The database of instructions is updated every day. ⚓️ The channel currently has tens of thousands of files in the form of instructions, drawings, videos, software and literature. ⚙️ Here you can find instructions for both modern and obsolete equipment that is still found on ships. 🤩 The channel also posts video instructions for ship systems and equipment. ✅ In a separate closed channel chat, you have the opportunity to search for the necessary information, the admins always try to find the necessary manual for you. 🆓 The closed chat is available for free, apply 👉 LINK 🔗 https://t.me/+KwFxR-xWVG8wYmIy ➡️ The material on the channel is not publicly available and cannot be distributed. This is done so that any information can be posted, as well as so that the project can exist for a long time and without problems. ☝️ Access to the channel is symbolically paid. The channel has online and offline backups that need to be constantly updated and kept up to date. ⭐️ Access to the channel is paid monthly via the link 🔗 https://t.me/+0HEGkYMMH2w0YWEy (you can unsubscribe or subscribe again at any time). ☝️ When your subscription to the main channel ends, you will still have access to the chat, but the material from the main channel will no longer be available until you pay for the monthly subscription. #closedchannel #instructions #drawings #manuals #paidsubscription #uniquecontent #ETOmanuals #ETO #MEM #MarineEngineeringManuals #EngineeringManuals

What You Need to Know About #Wire #Twisting Wire twisting is a method of connecting #wires, but it has several important considerations: 1. Reliability of the Connection • A simple #twist without soldering or welding is unreliable, as it can #oxidize and fail over time. • It’s better to use #welding, #soldering, or special terminal blocks (e.g., #WAGO, screw #terminals). • For high-current loads, a twist can heat up and cause overheating of the #wiring. 2. Wire Compatibility • #Copper + Copper – Can be twisted, but soldering or terminal blocks improve reliability. • #Aluminum + Aluminum – Possible, but aluminum is brittle and can break. • Copper + Aluminum – Not allowed without special connectors due to electrochemical corrosion. 3. Proper Twisting Technique • Strip the insulation about 1.5–2 cm. • Twist the wires tightly, ensuring good contact. • Secure with soldering or welding if necessary. • #Insulate with #heat #shrink tubing, electrical tape, or wire nuts. 4. Where It Can and Cannot Be Used ✔ Allowed for: • Temporary connections. • Low-voltage circuits (e.g., alarm systems). ❌ Not allowed for: • Permanent electrical wiring (especially hidden wiring). • High-power connections (#outlets, large appliances). For a reliable connection, it’s better to use terminal blocks, #crimp connectors, or welding. Twisting is more of a temporary or emergency solution.

Insulation Resistance of an Electric Motor Relative to the Frame: Permissible Standards The permissible standards for the #insulation #resistance of an electric motor relative to its frame depend on the motor type, rated voltage, and regulatory requirements. Basic Standards: 1. Minimum Insulation Resistance (Dry Insulation): • For new motors: not less than 1 MΩ per 1 kV of rated voltage (e.g., for a 400 V motor, it should be ≥ 0.4 MΩ). • For motors in operation: a decrease to 0.5 MΩ is acceptable, but significant reduction below this value may limit operation. 2. According International Standards: • As per international standards (e.g., #IEC 60034-1), the minimum insulation resistance is generally defined as 1 MΩ per 1 kV of the motor’s rated voltage. • However, for operating equipment, the minimum resistance can be reduced to 0.1 MΩ, provided this is in line with operational guidelines and there are no signs of #current leakage. 3. Measurements: • Measurements are performed using a #megohmmeter at a test #voltage of 500 V, 1000 V, or 2500 V, depending on the motor’s voltage class. • Tests should only be conducted on a completely de-energized motor, free from condensation. Important Recommendations: • If the insulation resistance is below the permissible level, the motor must be dried or the insulation repaired. • Regular insulation resistance checks help prevent failures and extend the motor’s service life.

#zero #calibration #OWS #BilgMon488 #BilgMon

Main engine shaft or propeller shaft? It depends on what part of the propulsion system you’re referring to. • #MainEngine Shaft (Crankshaft): This is inside the engine and converts the engine’s power into rotational motion. • Intermediate #Shaft: If present, this connects the main engine to the propeller shaft in longer shafting arrangements. • #Propeller Shaft (Tail Shaft): This is the final shaft that passes through the stern tube and connects to the propeller, transmitting power to the water. On a #vessel, when people say “shaft,” they usually mean the propeller shaft, unless they are working inside the engine room specifically on the #engine itself.

#Harnesses for Working at Heights: What You Need to Know Harnesses for working at heights are a crucial part of personal protective equipment (#PPE) designed to prevent falls. Here are the key things to consider: 1. Types of Harnesses • Work Positioning #Belts – Used to maintain a working position but do not protect against falls. • Full-Body Harnesses – Provide fall protection by distributing impact forces across the body. • Rescue Harnesses – Designed for emergency evacuation and rescue operations. • Combination Harnesses – Offer both positioning and fall protection functions. 2. Construction Features • Straps (shoulder, leg, and waist) • Adjustable buckles for a secure fit • D-rings for attachment to safety systems • Shock absorbers and carabiners 3. #Safety Standards and Certification • #EN 361 (full-body harnesses) • EN 358 (positioning belts) • EN 813 (harnesses with attachment points for suspension work) 4. Choosing the Right Harness • Consider the type of work (construction, #rescue, industrial #maintenance, etc.). • Check compliance with safety standards. • Ensure comfort, weight distribution, and ergonomic fit. • Select the appropriate size based on height and weight. 5. Usage and Inspection Rules • Regularly inspect for wear, damage, or corrosion on metal components. • Follow manufacturer guidelines for lifespan (typically 3-5 years). • Always check the harness before use. • Do not use a damaged or expired #harness!

Cleaning #Contacts of Large #Motor Starter #Contactors: What You Need to Know Proper cleaning of large motor starter contactors is essential for ensuring reliable operation. Here are the key points to consider: 1. #Safety First Before starting: • Disconnect the power supply (both main and auxiliary circuits). • Verify that there is no voltage using a tester. • Use personal protective equipment (gloves, safety glasses, and insulated tools). 2. Inspection of Contactors • Check the condition of the contacts for carbon buildup, oxidation, or mechanical damage. • Assess wear: if contacts are severely burned or melted, replacement is recommended. • Check the contact #springs – weak pressure can lead to arcing and #overheating. 3. Methods for Cleaning Contacts a) Mechanical Cleaning: • Use fine #sandpaper (600-1000 grit) or a small file for heavy carbon deposits. • #Fiberglass or graphite erasers are preferable to avoid damaging the contact surface. • Avoid using coarse abrasives, as they create scratches that worsen #conductivity. b) Chemical Cleaning: • Use isopropyl or ethyl alcohol to remove dirt and residue. • For heavy oxidation, apply specialized electrical contact #cleaners (such as freon-based or contact oil solutions). • Avoid acidic or alkaline #solutions, as they can corrode the metal. 4. Inspection and Reassembly • After #cleaning, remove abrasive dust with compressed air or a soft brush. • Check for proper contact alignment and adjust the gap if necessary, following the manufacturer’s specifications. • Reassemble the contactor and test it (measure contact resistance and perform a trial operation). 5. Preventive #Maintenance • Regularly inspect contactors, especially under heavy loads. • Ensure that the contactor is not overloaded (avoid operating beyond its rated current). • Monitor contact temperature – excessive heat accelerates wear. If contacts frequently burn out or degrade quickly, consider reviewing the contactor rating or checking the control circuit for issues.

The #diameter of the external #grounding cable on an electric motor depends on several factors, including: 1. Current-Carrying Capacity: The cable must be able to carry the maximum fault #current without overheating or failing. This depends on the motor’s power and voltage ratings. 2. Grounding System Standards: Local electrical codes and standards (e.g., #IEC, #NEC) specify the minimum size for grounding conductors based on the system’s requirements. 3. #Motor Power: Higher-powered motors require larger grounding cables to handle potential fault currents. 4. #Cable Length: Longer cables may require a larger diameter to compensate for increased resistance and maintain proper fault current flow. 5. Type of #Insulation: The insulation material and its temperature rating influence the cable’s current-carrying capacity. 6. Environmental Conditions: Harsh environments, such as high temperatures or chemical exposure, may require thicker or specially insulated cables. 7. Fault #Protection Devices: The cable size must align with the protection devices (e.g., fuses, circuit breakers) to ensure proper coordination during faults. Proper selection should comply with applicable standards and be verified by an electrical engineer.