4.5.1. Check and adjustment of a tension of a belt of the drive of the generator and water pump

1. Remove the fan.
2. Turn out three bolts of fastening of the coupling of the fan to its nave and remove the coupling.
3. Remove TNVD drive belt casings.

Fig. 4.7. Adjustment of a belt of the drive of the generator and water pump: 1 – generator pulley; 2 – pulley of the water pump; 3 – bolt of movement of a tension roller; 4 – belt of the drive of units; 5 – pulley of a bent shaft; 6 – tension roller; 7 – a bolt of fastening of a tension roller on an axis

4. Weaken an inhaling of a bolt of 7 (fig. 4.7) of fastening of a tension roller and adjust an adjusting bolt a belt tension, having achieved its deflection (14±1) of mm at the load of 80 N (8 kgfs) enclosed in the middle belt branches between the generator and the water pump.

Good advice
The tension can be checked, delaying a belt branch spring scales like steelyard.

5. Tighten a bolt of fastening of a tension roller and establish all earlier removed details as it should be, the return to removal.