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5.2.5. Check of serviceability of functioning of a clutch coupling of the fan of the cooling system

 PERFORMANCE ORDER

  1. Make sure of lack of resistance to rotation of a krylchatka of the fan at the cold engine, in case of need replace a clutch coupling.
  2. At the hot engine, on the contrary, resistance to rotation of a krylchatka has to be felt, otherwise the coupling is also subject to replacement.
  1. Make sure of lack of an excessive side play of the bearing, in case of need replace the coupling.
  1. Examine the coupling on existence of signs of development of leaks, make sure of lack of deformations of a bimetallic spring.
  2. In case of need remove the coupling for its more detailed studying.