11.7.7. Engine cooling system fan electric motor
Engine cooling system fan electric motor
||1 – electric motor case;
2 – antisplash ring;
3 – holder of magnets;
4 – electric motor anchor;
5 – cover;
6 – brush holder;
7 – felt ring;
8 – plug;
9 – collector;
10 – brush;
11 – casing;
12 – magnet;
13 – ball-bearing
On cars the ME 272 electric motor of a direct current intended for the engine cooling system fan drive is installed.
The electric motor does not need service and in case of malfunction has to be replaced. Moment of tightening of a nut of fastening of a krylchatka of 9,8 N · m (1 kgf · м).
Scheme of turning on of the electric motor of the fan of the cooling system of the engine
1 – sensor of turning on of the electric fan;
2 – electric fan;
3 – rechargeable battery;
|4 – block of safety locks and relay;
5 – ignition switch
The electric motor turns on the TM108 sensor which will be screwed in the right tank of a radiator in the lower part, behind.
Temperature of short circuit of contacts of 99±3 °C, and disconnections of 94±3 °C.
The relay of turning on of the electric motor of the fan of 113.3747 type is installed in the block of safety locks and the relay.