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Jha for commissioning machines for lithium batteries

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When commissioning machines for lithium batteries, consider these safety measures:

  1. Ventilation and Ignition Sources: Ensure adequate ventilation to prevent flammable gas accumulation and eliminate all ignition sources [1]. Post a notice prohibiting smoking or open flames at the entrance [1].
  2. Flooring and Drainage: Use non-sparking material for the floor with adequate drainage [1].
  3. Battery Handling: Only competent persons should change or charge storage batteries [1]. Provide acid-resistant gloves, aprons, goggles, or face shields for employees handling batteries or electrolyte, and ensure they use this protective equipment 1, 3, 7, 8, 12, 13, 14, 19.
  4. Electrolyte Spills: Have a sufficient supply of fresh water available for flushing and neutralizing spilled electrolyte [1]. Wash the floor promptly if electrolyte spills [1]. If battery electrolyte contacts skin or eyes, flush affected areas immediately with a large amount of fresh water, then seek medical attention 3, 7, 8, 13, 14, 19.
  5. Battery Condition: Keep batteries free from dust and adequately secured [2]. Ensure ventilation openings are clear [2]. When a battery is no longer usable, dispose of it in a manner that prevents electrolyte spillage [2].
  6. Charging: When charging batteries, turn the starter switch to the "OFF" position and remove the key [3]. Always disconnect the negative (-) cable first when removing battery cables 3, 17.
  7. Specific Gravity: Measure the specific gravity of the battery electrolyte using a hydrometer to check the charging condition of the battery [4]. Measure the specific gravity when the liquid temperature is almost equivalent to the ambient temperature [4].
  8. Cold Climates: Be careful to maintain the temperature of the batteries, as low temperatures may cause them to freeze and decrease their capacity significantly 2, 15, 16, 20. Charge the batteries as soon as possible 2, 15, 16, 20.
  9. Jump Starting: When jump-starting, ensure the travel control levers are in the CENTER position and the hydraulic lockout control is engaged 4, 5. Lower all work tools to the ground and move all controls to HOLD 4, 5. Turn the engine start switch key to the OFF position and turn off all accessories 4, 5.
4 source record(s)

Sources used for this answer

[1] Kobelco SK330-10, SK250LC-10 Operation Manual

Page 67

Open source document

Source excerpt

## 1.7 PRECAUTIONS FOR BATTERY ## 1.7.1 HANDLING THE BATTERY ## PREVENTION OF ELECTROLYTE BURNS Wear protective glasses or face shield, and chemical resistant gloves and clothing when handling or servicing batteries. Battery electrolyte contains dilute sulfuric acid. Electrolyte will damage eyes or skin on contact. If battery electrolyte contacts skin or eyes, flush affected areas immediately with a large amount of fresh water, then seek medical attention. Wash hands after touching batteries and connectors. ## BATTERY EXPLOSION PREVENTION - · Always keep cigarettes, flames and other ignition sources away from batteries. Batteries give off hydrogen gases that can explode and cause serious injury or death. - · Always keep all battery caps tightly secured. ## CHARGING THE BATTERY - · Turn the starter switch to the "OFF" position and remove the key. - · Turn the battery shut-off switch "OFF". - · Always disconnect the negative (-) cable first when removing the battery cables. - · Do not connect the positive (+) terminal to the negative (-) terminal using tools or metal objects to check the battery. - · Never allow tools or metal objects to touch both the battery positive (+) terminal and the machine. The resulting spark could cause an explosion. - · Remove the batteries from the machine and remove the battery caps to allow explosive gases to escape in a well-ventilated area. - · Do not charge the frozen battery because it could explode. To prevent the explosion, wait until the battery temperature rises to 16 degrees C (60 degrees F) or higher. NEVER attempt to thaw or to warm the battery with open flames. - · Do not use or charge the battery of which the liquid level is below the lower limit. This might allow gases to build up inside the battery and explode. Check the battery liquid level periodically, and refill the battery with distilled water to the proper liquid level. [ <!-- image --> <!-- image --> 1

[2] General Regulation (N.B. Reg. 91-191)

Page 91

Open source document

Source excerpt

- (a) is adequately ventilated to prevent the accumula -tion of flammable gases, - (b) is free from all sources of ignition, - (c) is marked at the entrance with a notice prohibit -ing smoking or open flames, - (d) has a floor of non-sparking material with ade -quate drainage, - (e) when storage batteries are mounted in trays or on racks, has level trays or racks constructed or cov -ered with non-sparking material and of sufficient strength to carry the weight of the batteries, - (f) has a sufficient supply of fresh water for flushing and neutralizing spilled or splashed electrolyte, - (g) complies with Rules 26-500 to 26-514 of CSA standard C22.1-18, Canadian Electrical Code, Part 1 , as amended, - (h) has equipment of adequate capacity if equip -ment is used for hoisting or handling batteries, and - (i) is not used for general storage. - 70 (3) An employer shall ensure that the floor in a stor -age battery room or area is washed promptly when elec -trolyte is spilled. 2001-33; 2020-35; 2024-38 ## Storage batteries - 71 (1) An employer shall ensure that only a competent person changes or charges a storage battery. - 71 (2) An employer shall provide acid resistive gloves and aprons and either goggles or face shields and straps for carrying storage batteries to an employee handling storage batteries or electrolyte and shall ensure that the employee handling storage batteries or electrolyte uses the protective equipment provided. - a) est convenablement aéré pour éviter l'accumula -tion de gaz inflammables, - b) est libre de toute source d'inflammation, - c) a un avis affiché à l'entrée interdisant de fumer ou la présence de flammes nues, - d) a un plancher fait d'un matériau ne produisant pas d'étincelle offrant un drainage convenable, - e) a, lorsque les batteries d'accumulateurs sont montées sur des plateaux ou des consoles, des pla -teaux ou des consoles à niveau construits d'un maté -riau ne produis

[3] Kobelco SK135SR-7, SK140SRLC-7, SK140SRL-7 Operation Manual (Excavators)

Page 277

Open source document

Source excerpt

## SPECIFIC GRAVITY OF BATTERY ELECTROLYTE ## PRECAUTIONS IN COLD CLIMATES - · Be careful of retaining the temperature of the batteries. If the temperature is too low, they may freeze, and their quantities decrease significantly. - · Charge the batteries as soon as possible. Measure the specific gravity when the liquid temperature becomes almost equivalent to the ambient temperature. The specific gravity of battery electrolyte changes according to the liquid temperature. If the specific gravity is at the lower limit or below (small value), charging is necessary. Measure the specific gravity of the battery electrolyte by using a hydrometer and check the charging condition of the battery. ## Specific Gravity of Battery Electrolyte ## 4.14.2 DRAINING WATER AND SEDIMENT IN FUELTANK <!-- image --> HANDLING OF FUEL OIL - · Wipe off spilled fuel to prevent a fire. - · Make sure that there is no fuel leakage after performing work. - 1. Move the machine to a level and firm place. - 2. Slightly swing the upper structure to a range in which drain cock (1) at the rear of the fuel tank can be released, and put the bucket on the ground. - 3. Stop the engine and move the control lock lever to the "LOCKED" position. - 4. Place a drain container under drain hose (2). - 5. Use the starter key to open the side door on the right side of the machine and hold it with the stay. - 6. Set drain cock (1) at the rear side of the fuel tank to "Open" position (A) and drain water and sediment deposited on the bottom. - In this time, be careful not to be splashed by the flushed fuel. <!-- image --> [ 4

[4] General Regulation (N.B. Reg. 91-191)

Page 92

Open source document

Source excerpt

- 71 (3) An employee shall use the protective equipment referred to in subsection (2) when handling storage bat -teries or electrolyte. 2024-38 ## Storage batteries - 72 An employer shall ensure that - (a) a storage battery is kept free from dust, - (b) a storage battery in use is adequately secured, - (c) when a storage battery is of no further use, it is disposed of in a manner that prevents spillage of elec -trolyte, and - (d) ventilation openings in a storage battery are kept clear. ## Storage batteries - 73 An employee shall - (a) when diluting concentrated sulphuric acid for a storage battery, add the acid to the distilled water, and - (b) keep the charging rate of storage batteries at a rate that will prevent the too rapid generation of hy -drogen in the battery. 97-121 ## Portable Compressed Gas Containers ## Portable compressed gas containers - 74 An employer shall ensure that a portable com -pressed gas container for medical use is colour-marked in accordance with the Compressed Gas Association standard CGA standard C-9-2013, Standard Color Marking of Compressed Gas Containers for Medical Use - 5th Edition or a standard offering equivalent or better protection. 2001-33; 2024-38 ## Portable compressed gas containers - 75 (1) An employer shall ensure that a portable com -pressed gas container is used, stored and handled so as not to endanger an employee's health or safety. - 71 (3) Un salarié doit utiliser l'équipement de protec -tion visé au paragraphe (2), lorsqu'il manipule des batte -ries d'accumulateurs ou de l'électrolyte. 2024-38 ## Batteries d'accumulateurs - 72 L'employeur doit s'assurer que - a) les batteries d'accumulateurs sont préservées de la poussière, - b) lorsqu'une batterie d'accumulateurs est utilisée, elle est attachée en toute sécurité, - c) lorsqu'une batterie d'accumulateurs n'est plus utilisable, elle est éliminée d'une manière qui évite tout re

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