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Answer Posted / b.sudhakaran
A Check & B check for DG set, A check means daily check for dg Like diesel level,oil level, radiator water level, Dg room cleaning, air filter checking, and all value position ( open or close condition check above state.now you switch on primary motor for 5mints( for oil lubrication purpose) now you can switch DG for 5mints this is for A check, B check means 300 hours for dg or every 6month that time replace oil,oil filter, diesel filter and check air filter pulse A check this is b check.
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