| 1. Check a krylchatka of the fan on existence of cracks, special attention giving to a condition of the bases of blades. The defective krylchatka is subject to replacement without fail!
2. Check assembly of coupling of the fan on existence of signs of development of leaks, in case of need make replacement.
3. Shake a krylchatka in the longitudinal direction, - in case of identification люфта replace coupling assembly.
4. Manually повращайте a krylchatka, - the certain resistance increasing with temperature increase of the engine should be felt. If the krylchatka rotates too freely, or does not rotate at all, replace coupling assembly.
5. The description of procedures of removal and installation of ventilyatorny assembly is provided in the Section Removal and installation of the fan of system of cooling of the engine. |