Fix the channel separator by four screws 3 (previously install the plain washer 4, and then the ring 5 on each screw);
6)
Make sure that there are seal rings 7 (2 pcs.) placed on the inlet and outlet of the channel separator before further installation of the smoke exhauster and air circuit pipes
7)
The installation of the air inlet pipe and the smoke exhauster pipe must be effectuated in accordance with Scheme 7 (see p.9.2, page 18).