Remove/Install Aneroid Capsule For Wastegate Valve - AR09.40-P-1002-03CD

ENGINE 651 in MODEL 166, 172, 204, 205, 207, 212, 218, 221, 222, 253

TURBOCHARGER

Number	Designation			Engine 651
BA09.40-P-1012-01P	Nut, vacuum unit to turbocharger	M6	Nm	9

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1027-07A	"Yellow" locking paint	Lackfabrik Bader GmbH & Co. KG

Remove

Detach control line (1) from wastegate aneroid capsule (2).
Engine 651 in model 205, 222, 253
Remove locking plate at the control rod (3).

The locking plate is mounted over the nuts (4, 5) on the control rod (3).
Loosen nut (5).
Unscrew nut (4) on control rod (3).
Unscrew nuts (6) on wastegate aneroid capsule (2).
Remove wastegate aneroid capsule (2).
Install
Introduce wastegate aneroid capsule (2).
Lead control rod (3) through the hole in the lever mounting bolt (7).
Tighten nuts (6) .
Observe tightening torque.
Screw nut (5) in the direction of wastegate aneroid capsule (2).
in order to achieve the necessary clearance of the control rod (3).
Actuate wastegate aneroid capsule (2) up to the end stop with vacuum.
the wastegate aneroid capsule (2) is new, actuate this a number of times with a vacuum using a manual vacuum pump and a vacuum tester of at least 700 mbar.
Press lever (7) up to the end stop in the direction of wastegate aneroid capsule (2) and hold.
Screw on nut (4) with zero clearance up to lever (7).
Mark nut (4) and screw by exactly two further revolutions onto the thread.
In order to achieve the necessary pretension.
Secure the control rod (3) against adjustment by locking the nut (5) against the nut (4).
Hold nut (4) firmly in the process using a counter wrench.
Secure nuts (4, 5, 6) using yellow locking paint.
Engine 651 in model 205, 222
The locking plate is mounted over the nuts (4, 5) on the control rod (3).
Place control line (1) on connection for wastegate aneroid capsule (2).