Withdrawal
1. Remove fan diffuser together with fans, see below.
2. Remove the fan blade retainers.
3. Remove fan blades.
4. If necessary turn away bolts of fastening of the electric motor of the fan and remove the electric motor. Tightening torque 10 Nm.
Installation
5. Installation is carried out in the reverse order.
Attention: in the assembly of the electric fan, fans with five and seven blades are used. It does not matter on which side the blade assemblies are installed, just do not install assemblies with the same number of blades in one assembly, as this will increase the noise level from the fan.