AURETR125 Leonardo Marchezani batteries Assessment - Theory

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AURETR125

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Dec 6, 2023

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Student Name: Leonardo Marchezani Unit: AURETR125 Test, charge and replace batteries and jump-start vehicles Assessment Satisfactory (S) / Not Yet Satisfactory (NYS) Date Comment Initials Practical 1 Practical 2 Questions Feedback from the Student: I have been provided with feedback on this assessment from the assessor for this unit Student Signature: Overall competency has been achieved: YES □ NO □ □ Assessment submitted past end date Assessor’s Name Result Date : Assessor’s Signature: /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx Imagine Education Student Assessment Feedback Form

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Course Code AUR30620 Course Name Certificate III in Light Vehicle Mechanical Technology Unit Code AURETR125 Unit Name Test, charge and replace batteries and jump start vehicles Due Date Assessment Name Automotive Portfolio Part A: Short answer questions Student No . 0003010829 Student Name Leonardo Augusto Marchezani Student Phone 0449 968 214 Student Email leo.marchezani@gmail.com Student Declaration I declare that this assessment is my own work and where my work is supported by documents from my workplace placement/employer permission has been granted. Note: Filling out this coversheet as part of an electronic submission and approving the above information will operate in the same way as physically signing this cover sheet. Student name or signature: Leonardo Augusto Marchezani Office Use Only Date/s Received: ___/___/___ ___/___/___ ___/___/___ Date/s Assessed: ___/___/___ ___/___/___ ___/___/___ Result of Assessment: ___________ ___________ ___________ Entered on Training Plan Moderation Signature Note for Assessors: Filling out the above Office Use Only section as part of an electronic submission will operate in the same way as physically signing this cover sheet. If not physically signed, Assessor must print their name in signature box /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx Imagine Education Student Assessment Cover Sheet

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Course Code and Name: AUR30620 Certificate III in Light Vehicle Mechanical Technology Unit Code: AURETR125 Unit Title: Test, charge and replace batteries and jump start vehicles For this assessment you are required to answer all of the questions. You are permitted to research the answers by reading the learner guide, text books, theory notes and accessing the internet. If more room is needed label each task with the question number and use headings or dot points to make your work clear for your trainer and assessor. Please follow the Referencing Guide contained on your Course handbook. Please attach a student assessment cover sheet to each unit submission. You must complete the cover sheet in full detail. 1. Where can you find the information required in the table below? Item Location Give three (3) examples Information Give three (3) examples Safety Data sheets (SDS)  Manufacturer  Online databases  Workplace  Handling and storage instructions  Emergency procedures  Chemical composition Battery and manufacturer specifications related to t esting, charging and replacing batteries and jump start vehicles.  Owner’s manual  Battery label/case  Service manual  Voltage rating  Cold cranking amps rating  Reserve capacity rating 2. What methods can you use to locate information from the customer regarding the test, charge and replacement of batteries and jump start of a vehicle? List three (3) examples.  Communicating with the customer to obtain information about the vehicle issues.  Check data recording about the customer and/or vehicle  Use scan tools and equipment to check vehicle’s condition 3. List three (3) methods you can use to locate the information required to test, charge or replace batteries and jumpstart vehicles.  By manufacturer specifications on it’s official website or repair manuals  Online resources and databases, as forums  Ask experienced colleagues or supervisors /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx Imagine Education Assessment Questions Part A

4. Explain the workplace procedures required to test, charge and replace batteries and jump start vehicle, listed in the table below. Testing Batteries 1. See if the battery has damage or corrosion 2. Check the battery light 3. Use a multimeter or some tester to mesure conductance 4. Analise the tests results to determine battery’s condition Charging Batteries Write the procedure in six (6) steps. 1. Ensure the charger is turned off before connecting it to the battery 2. Connect the charger’s positive and negative wires to respective terminals 3. Set the charger to the appropriate voltage 4. Turn on the charger and monitor the charging process 5. Disconnect the charger when the battery is fully charged 6. Perform a final voltage check Replacing Batteries Write the procedure in six (6) steps. 1. Disconnect the vehicle’s battery cables (negative terminal first) 2. Remove any hardware holding the battery in place 3. Lift out the old battery and proper dispose it 4. Place the new battery 5. Place the hardware back properly 6. Reconnect the battery cables (positive first) Jump-starting vehicles Write the procedure in eight (8) steps. 1. With the ignition and all electrical equipment off, connect the positive cable on the battery and the negative on earth point 2. Turn the jump-starter on 3. Start the engine 4. Turn the jump-starter off 5. Wait the battery to recharge (5-10 min) 6. Turn off the engine 7. Remove the negative and the positive cables 8. Start the engine again 5. Describe the housekeeping procedures required to test, charge and replace batteries and jump start vehicles in the table below. Establish serviceability of tools and equipment Regularly inspect and maintain tools and equipment to ensure they are in good working condition Documentation procedures Maintain as much records as you can of tests, charges, and replacements (battery serial numbers and dates as well) /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx

Tools and equipment procedures and examination Ensure tools are cleaned and on its proper storage locations Storage of equipment procedures Store equipment in designated area and protected from damages Identification, tagging and isolation of faulty equipment procedures Identify and tag faulty equipment and isolate it until repaired or replaced Safe disposal of excess material procedures Dispose of used batteries and waste materials in accordance with environmental regulations Recycling procedures Keep in proper storage and dispose at battery dispose centres 6. Describe the workplace health and safety requirements relating to testing, charging, and replacing batteries and jump start vehicles, including procedures for the following, listed in the table below. Type Description Using battery testing equipment Wear appropriate PPE like gloves and safety glasses Using battery charging equipment Ensure the good condition and environmental safety and area clearness Keep the work area well ventilated Using appropriate personal protective equipment (PPE). Ensure the good condition of all equipment and any kind of vests (gloves, glasses, face-shield, etc.) Follow safety procedures to reduce risks of electrical shock and chemical contamination 7. Describe the environmental requirements including procedures for the actions listed in the table below. /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx

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Action Environmental Requirements and procedures Trapping toxic and corrosive substances Use appropriate spill/ absorbent kits, containment trays Storing toxic and corrosive substances Store in designated containers properly labelled, isolated from other materials, and in accordance with the environmental regulations Disposing of toxic and corrosive substances Dispose using approved disposal services and following the guidelines for hazardous waste disposal Disposing of or recycling batteries Follow local regulations and recycling programs guidelines 8. Identify hazards and controlling risks associated with the following, listed in the table below. Action Hazards and risks Battery, vehicle, and machinery movement before carrying out work. Hazards: Risk of short circuits, accidental starts, collisions, smash your hand Control risk: wear rubber gloves, follow safety procedures, communicate when moving vehicles Wearing jewelry while working around high current wiring systems. Hazards: risk of electric shock, burns Control risk: take off jewerly and use non-conductive PPE Identifying hybrid vehicles. Hazards: Lack of awareness may lead to improper handling, that can result in electrical shock Control risk: Identify manufacturer and model of the car, and use vehicle identification resources and/or guidelines Identifying battery electric vehicles. Hazards: high voltage electrical shock Control risk: proper training and study of electrical vehicles 9. Describe the tools and equipment required for testing, charging and replacing batteries and jump-starting vehicles, as listed in the table below. /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx

Load testing devices Measure battery capacity Hydrometers Check battery electrolyte to assess the state of charge and health Multimeters Used to measure various electrical units, including voltage (volts), current (amps), and resistance (ohms) Jumper leads Used for jump-start vehicles. It transfers electrical current to the dead battery Battery chargers Used to charge battery when it is low Battery cleaning materials To remove corrosion and keep good condition of the battery 10. Describe the difference between voltage and current. Voltage (V): It’s the force of the electric charge, measured in volts, and determines the electrical pressure in a circuit. Current (I): Is the flow of the electric charge in an electrical circuit (how much electrons flowing throughout a conductor. Measured in amperes (amps), represents the quantity of charge passing through a point in a circuit per unit of time. 11. Describe key features and uses of batteries, including those listed in the table below. /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx

Lead acid batteries, including deep cycle batteries. Used in vehicles and for deep cycle applications like solar power due their reliability and low cost. Gel batteries Sealed and maintenance free, often used in backup power Absorbed glass mat batteries Sealed and maintenance free Calcium batteries Longer life and better performance, used in modern vehicles Lithium ion and lithium-ion phosphate batteries Lightweight and high-energy-density batteries used in electronics, electric vehicles, and renewable energy systems. 12. Describe the battery connection methods for 6-volt, 12-volt, 24-volt and 48-volt systems, including series, parallel and series parallel systems. 1. Series Connection: 1.1. For 6-Volt System: 1.1.1.To create a 6-volt system, two 6-volt batteries are connected in series. Connect the positive terminal of the first battery to the negative terminal of the second battery. 1.2. For 12-Volt System: 1.2.1.To create a 12-volt system, two 6-volt batteries or two 12-volt batteries are connected in series. Connect the positive terminal of one battery to the negative terminal of the other. 1.3. For 24-Volt System: 1.3.1.To create a 24-volt system, two 12-volt batteries are connected in series. Connect the positive terminal of the first battery to the negative terminal of the second battery. 1.4. For 48-Volt System: 1.4.1.To create a 48-volt system, four 12-volt batteries are connected in series. Connect the positive terminal of the first battery to the negative terminal of the second battery and so on. /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx

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2. Parallel Connection: 2.1. For 6-Volt System: 2.1.1.To create a 6-volt system, connect multiple 6-volt batteries in parallel. Connect all the positive terminals together and all the negative terminals together. 2.2. For 12-Volt System: 2.2.1.To create a 12-volt system, connect multiple 12-volt batteries in parallel. Connect all the positive terminals together and all the negative terminals together. 2.3. For 24-Volt System: 2.3.1.To create a 24-volt system, connect multiple 12-volt batteries in parallel. Connect all the positive terminals together and all the negative terminals together. 2.4. For 48-Volt System: 2.4.1.To create a 48-volt system, connect multiple 12-volt batteries in parallel. Connect all the positive terminals together and all the negative terminals together. *Capacity addition example: If you connect four 12-volt batteries in parallel, you get a 12-volt system with four times the capacity (4x the amp-hour rating) 13. Describe the battery classification methods listed in the table below. Cold cranking amps (CCA) Measures a battery’s ability to star the engine in cold weather. It indicates the cranking performance at 0°F (-18°C) Reserve capacity (RC) Represents the time a fully charged battery can deliver a constant current without falling below the minimum voltage Amp hour rating Indicates the battery’s capacity to deliver a current over an hour 14. Describe the operating principles of testing, charging and replacing batteries and jump-starting vehicles and the associated components listed in the table below. Testing safety requirements Ensure that you are following safety precautions Visual inspection procedures Inspect the battery conditions for damages, leaks or corrosion /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx

Voltage drop testing Measure the voltage drop under load to check the battery’s condition Hydrometer testing Measure the specific gravity of the battery’s electrolyte High-rate discharge testing Test the battery’s performance under heavy load 15. Describe the battery charging procedures listed in the table below. Charging safety requirements Ensure safety precautions are being followed, including wearing appropriate PPE, working in a well-ventilated area, and keeping open flames or sparks away from the charging area. Slow, fast and trickle charging Slow charging: gradual and gentle charging, typically used for deep cycle batteries and to keep battery health Fast charging: Used to a quick recharge in a battery. Suitable when the vehicle needs a rapid turnaround. Trickle charging: low current, and long duration charging method, used to maintain a fully charged battery without overcharging it. Battery memory retention is a concern primarily for rechargeable batteries like nickel- cadmium (NiCd) and nickel-metal hydride (NiMH) batteries. To prevent memory effect, it is important to: Fully charge the battery before first use. Avoid partial discharges and charge the battery completely when needed. Use the appropriate charging method based on the battery type (slow, fast, or trickle). 16. Describe the battery replacement procedures, including procedures for determining battery specifications to suit vehicle or machinery manufacturer specifications, listed in the table below. /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx

Removal of battery Disconnect the negative and the positive terminals respectively Remove any securing hardware Carefully lift out the battery Determining correct voltage Match the replacement battery’s voltage to the original one, check the manufacturer’s specs to confirm Determining CCA and RC ratings CCA: Check the vehicle's manual or consult a battery application guide to find the recommended CCA rating for your vehicle. Select a replacement battery with a CCA rating that meets or exceeds this recommendation. RC: Consider the RC rating to ensure the replacement battery can deliver power over a longer period if necessary. Select a battery with an RC rating that meets or exceeds your vehicle's needs. 17. Describe the battery replacement procedures, including procedures for determining battery specifications to suit vehicle or machinery manufacturer specifications, listed in the table below. Replacement safety requirements Wear appropriate PPE (as gloves, and safety glasses) Ensure the ignition and electrical systems are off Remove jewelry Terminal disconnection List three (3) steps. 1. Disconnect the negative cable 2. Disconnect the positive cable 3. Remove any covers or clamps that may be covering the battery Battery selection 1. Match the replacement battery's specifications to the vehicle's requirements, ensuring the correct voltage (12V) and size 2. Consider the battery type (lead-acid, AGM, gel) based on your application and vehicle requirements 3. Ensure it fits properly in the battery tray and is secured by the manufacturer's guidelines Battery installation and terminal connection List three (3) steps. 1. Secure the new battery in place with appropriate hardware, ensuring it is properly seated in the battery tray 2. Connect the positive cable to the battery 3. Connect the negative cable to the battery /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx

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Securing battery to vehicle List three (3) steps. 1. Tighten the securing hardware to hold the battery firmly in place 2. Reinstall any covers or clamps that were removed during the replacement 3. Make sure the battery is securely fastened and cannot move within the tray System recalibration procedures After the battery replacement, follow the manufacturer's guidelines or service manual to reset and recalibrate any vehicle systems affected by the battery change 18. Describe the battery jump-start procedures listed in the table below. Vehicle and personal safety requirements Ensure both the jump-start equipment and the vehicle are off Do not use open flames in the surroundings Wear appropriate PPE, including gloves and eye protection. Battery terminal disconnection List two (2) steps. Ensure the vehicle's ignition and all electrical systems are turned off. Disconnect the cables from the dead battery (negative first) Jumper lead connection and disconnection List five (5) steps. 1. Connect the positive jumper lead from the jump-start equipment to the positive terminal of the dead vehicle's battery. 2. Connect the negative jumper lead from the jump-start equipment to the negative terminal of the dead battery 3. Turn on the jump-start equipment 4. After the jump-start procedures occur, turn off the jump-start equipment 5. Disconnect the jumper leads in the reverse order of connection (negative first) /var/filecabinet/temp/converter_assets/0b/3f/0b3f21875eff7e2afe9820b87b458dcbb2d4c897.docx