Air relief element location/task/design/function · gf0940w1200a · Mercedes-Benz WIS

GF09.40-W-1200A

Air relief element location/task/design/function

1.7.02

ENGINE 457.937 with code (MZ4) Turbobrake

W09.40-1063-06

1 Air relief element

2 Vacuum cell

3 Turbocharger

4 Rotary valve

Air relief element location	The air relief element (1) is mounted at the turbocharger (3) in the area of entry of the turbine scroll.
Air relief element task	The air relief element (1) regulates the exhaust gas ground current in the turbine and guides it in case of requirement through the cross-sections in the rotary valve (4) into the exhaust air pipe.
Air relief element design		GF09.40-W-1200-01A
Air relief element function		GF09.40-W-1200-02A