Answer to Question #189745 in Mechanical Engineering for Yashwanth Kumar

Question #189745

1. Differentiate between the terms “Servicing” and “Maintenance”. What are the safety precautions to be made during the maintenance of a vehicle?

Expert's answer

maintenance is actions performed to keep some machine or system functioning or in service while servicing is the act of performing maintenance on something.

  • Remove the earth strap (almost always the negative pole) at the battery, to avoid accidentally activating the starter, starting a fire, or heating up your jewellery or watch, if you accidentally touch an open wire.
  • Make sure that all electrical components are switched off when you remove the strap, otherwise a spark may occur, which could cause the battery to explode.
  • Never leave tools on the battery, where they might short the terminals and create a spark.
  • Keep loose clothing and long hair away from moving parts.
  • Wear eye protection when your eyes are at risk, such as when you grind, or drill upside down.
  • Don't overfill the sump, or any other reservoir, because it may cause damage to the seals, or an even more serious malfunction.
  • Don't remove the radiator cap from a hot cooling system. If you really have to open up, use a cloth over the cap, and stand to one side, releasing it slowly.
  • Don't add cold water to a hot engine, because the subsequent distortion may cause damage. If you have no choice, pour the water in slowly while the engine is running.

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