Remove/install aneroid capsule for boost pressure control flap

AR09.40-S-1002-01E

Remove/install aneroid capsule for boost pressure control flap

 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.

AS00.00-Z-0002-01A

Model

447 with engine 651

Modification notes

02.10.2019

Operation step "Attach/remove hand vacuum pump," added

Operation steps 10, 16

02.10.2019

Repair materials address changed to BR00.45-Z-1027-07A

Operation step 17

 Turbocharger

Number

Designation

Engine 651 in model 447

BA09.40-N-1009-01R

Vacuum unit fastening nut on bracket/turbocharger

M6

Nm

9

Repair materials

Number

Designation

Order number

BR00.45-Z-1027-07A

"Yellow" locking paint

Lackfabrik Bäder GmbH & Co. KG
Dieselstrasse 34
73734 Esslingen
Germany
Tel.: +49 711 381607
Fax. +49 711 383092

1

Remove vacuum hose (1) from boost pressure control flap aneroid capsule (2).

2

Remove safety clips (8).

3

Loosen nut (5).

4

Remove nut (4) from the control rod (3).

5

Remove nuts (6) from the boost pressure control flap diaphragm capsule (2).

6

Remove boost pressure control flap aneroid capsule (2).

7

Bring boost pressure control flap aneroid capsule (2) into the installation position.

 To do this, insert insulating washer/sleeve between the boost pressure control flap diaphragm capsule (2) and the bracket and guide the control rod (3) through the hole in the mounting bolt of the lever (7).

8

Attach boost pressure control flap diaphragm capsule (2) with nuts (6) to the bracket   .

9

Turn nut (5) in the direction of the diaphragm capsule boost pressure control flap (2).

 In order to achieve the necessary clearance of the control rod (3).

10

 Attach hand vacuum pump to the boost pressure control flap diaphragm capsule (2).

11

Actuate boost pressure control flap diaphragm capsule (2) with  manual vacuum pump until control rod (3) is at end stop.

If a new boost pressure control flap diaphragm capsule (2) was installed,



actuate it multiple times with a vacuum of at least 700 mbar.

12

Press lever (7) to end stop in direction of boost pressure control flap diaphragm capsule (2) and hold.

13

Attach nut (4) to the lever (7) with zero clearance up to end stop.

14

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.

15

Secure control rod (3) with the nut (5) against the lever (7) and tighten the nut (5).

 While doing so, counterhold the nut (4).

16

 Remove hand vacuum pump from the boost pressure control flap diaphragm capsule (2).

17

Secure nuts (4, 5, 6) using temperature-resistant locking paint.

18

Install safety clips (8).

19

Install vacuum hose (1) at boost pressure control flap diaphragm capsule (2).