Remove/Install Aneroid Capsule For WASTEGATE Valve - Ar09.40-D-1002-03WE

Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

Engine 651.955/957 in model 906

TURBOCHARGER

Number	Designation		Engine 651 in model 906
BA09.40-N-1009-01R	Vacuum unit fastening nut on bracket/M6 turbocharger	Nm	9

Fig 1: Hand Vacuum Pump (001 589 73 21 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1027-07A	"Yellow" locking paint	Lackfabrik Bader GmbH & Co. KG Dieselstrasse 34 73734 Esslingen Germany Tel.: +49 711 381607 Fax. +49 711 383092

Remove

Remove black-yellow vacuum hose (1) of the wastegate diaphragm capsule (2).
Loosen nut (5).

Courtesy of MERCEDES-BENZ USA
Remove nut (4) from the control rod (3).
If a new wastegate diaphragm capsule (2) was installed, actuate it multiple times with a vacuum of at least 700 mbar.
Remove nuts (6) from the wastegate diaphragm capsule (2).
Remove wastegate aneroid capsule (2).
Install
Bring wastegate aneroid capsule (2) into the installation position.
To do this, guide the control rod (3) through the hole in the mounting bolt of the lever (7).
Attach wastegate diaphragm capsule (2) with nuts (6) to the bracket .
Adjust
Turn nut (5) in the direction of the wastegate diaphragm capsule (2).
In order to achieve the necessary clearance of the control rod (3).
Attach hand vacuum pump to the wastegate diaphragm capsule (2).
Actuate wastegate diaphragm capsule (2) with manual vacuum pump until control rod (3) is at end stop.
Press lever (7) to end stop in direction of wastegate diaphragm capsule (2) and hold.
Attach nut (4) to the lever (7) with zero clearance up to end stop.
Mark nut (4) and turn by exactly 3.5 revolutions on the thread in the direction of the lever (7).
The necessary preload is achieved as a result.
Secure control rod (3) with the nut (5) against the lever (7) and tighten the nut (5).
While doing so, counterhold the nut (4).
Remove hand vacuum pump of the wastegate diaphragm capsule (2).
Secure nuts (4, 5, 6) using temperature-resistant locking paint.
Attach black-yellow vacuum hose (1) to the wastegate diaphragm capsule connection (2).