What steps are necessary for the maintenance of the water … cooling system ?

(a) Keep sufficient water in the radiator.
(b) Keep the fan belt tension properly.
(c) Water should not be allowed to leak.
(d) Fan blades should be bent at equal angles.
(e) In order to keep the radiator pipes clean, their water should be changed once in a week.
(f) Grease should be applied to the water pump bearing.
(g) If the engine is in a cold region, anti-freeze lotion should be added in the radiator.