Remove/install bracket boost pressure control aneroid capsule

AR09.40-D-1009WE

Remove/install bracket boost pressure control aneroid capsule

27.11.2014

ENGINE

651 in MODEL 900

ENGINE

651.955/956/957 in MODEL 906

1

Bracket

2

Vacuum hose

3

Boost pressure control aneroid capsule

4

Screw/bolts

5

Nut

6

Screw/bolt

10

Control rod

1

Bracket

3

Boost pressure control aneroid capsule

5

Nut

7

Lever

8

Mounting bolts

9

Nut

10

Control rod

11

Nuts

 Danger !

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



Remove

1

Remove air intake pipe

AR09.10-D-8131WE

2

Remove coolant expansion reservoir with attached coolant hoses and electrical line to the FM and set aside

AR20.30-D-4950SD

3

Remove vacuum hose (2) from boost pressure control aneroid capsule (3)

4

Unscrew nut (5) from control rod (10) for boost pressure control flap aneroid capsule (3)

5

Remove screws/bolts (4)

 Plug-in adapter

*651589000700

6

Remove bolt (6) and remove bracket (1) with boost pressure control flap aneroid capsule (3)

 Lead control rod (10) out of mounting bolts (8) for lever (7).

7

Unscrew nuts (11) on bracket (1) and remove boost pressure control flap aneroid capsule (3) with insulating washer/sleeve (arrow) from bracket (1)

When replacing the bracket (1)



Install

8

Place boost pressure control flap aneroid capsule (3) with insulating washer/sleeve (arrow) on bracket (1)

Only if the boost pressure control flap aneroid capsule (3) was removed from the bracket (1)

 Check insulating washer/sleeve (arrow) for damage; replace if necessary.
When putting boost pressure control flap aneroid capsule (3) in place read the control rod (10) through the bore in bracket (1).

9

Tighten down nuts (11) for boost pressure control flap aneroid capsule (3) on bracket (1) and secure with low-friction paint

Only if the boost pressure control flap aneroid capsule (3) was removed from the bracket (1)

 Clamp the bracket (1) in a vise if necessary.

 Vacuum unit fastening nut on bracket/turbocharger

*BA09.40-N-1009-01R

10

Position bracket (1) with boost pressure control flap aneroid capsule (3) on the ATL while leading the control rod (10) through the mounting bolt (8) of the lever (7)

11

Tighten screw/bolts (4, 6) to stop finger-tight

 Replace screw/bolts (4, 6).

12

Tighten screw/bolts (4)

 Fastening bolts for turbocharger vacuum unit bracket

*BA09.40-N-1010-01R

 Plug-in adapter

*651589000700

13

Tighten screw/bolt (6)

 Fastening bolts for turbocharger vacuum unit bracket

*BA09.40-N-1010-01R

Adjust

14

Turn nut (9) on the control rod (10) by about 8 revolutions in the direction of the boost pressure control flap aneroid capsule (3)

 in order to achieve the necessary clearance of the control rod (10).

15

Connect vacuum hose for manually-operated vacuum pump onto the boost pressure control flap aneroid capsule (3)

 Hand vacuum pump

*001589732100

16

Generate vacuum using the manually-operated vacuum pump in the boost pressure control flap aneroid capsule (3) until the control rod (10) is completely drawn-in

17

Press lever (7) up to the end stop in the direction of boost pressure control flap aneroid capsule (3) and hold

18

Screw on nuts (5) up to the stop on mounting bolts (8) on the control rod (10) then release the lever (7)

19

Continue to turn nut (5) on the control rod (10) by about 3.5 revolutions in the direction of the boost pressure control flap aneroid capsule (3)

 The required pretension is achieved in this way.

20

Turn nut (9) on the control rod (10) up to the stop on mounting bolt (8) and tighten down

 Counterhold nut (5).

21

Secure nuts (5, 9) with low-friction paint

22

Ventilate boost pressure control flap aneroid capsule (3) and remove manually-operated vacuum pump with vacuum hose

 Hand vacuum pump

*001589732100

23

Place vacuum hose (2) on boost pressure control aneroid capsule (3)

24

Attach set aside coolant expansion reservoir to front module

AR20.30-D-4950SD

25

Install air intake pipe

AR09.10-D-8131WE

 Turbocharger

Number

Designation

ENGINE 651 in MODEL 900

ENGINE 651 in MODEL 906

BA09.40-N-1009-01R

Vacuum unit fastening nut on bracket/turbocharger

M6

Nm

9

9

 Turbocharger

Number

Designation

ENGINE 651 in MODEL 900

ENGINE 651 in MODEL 906

BA09.40-N-1010-01R

Fastening bolts for turbocharger vacuum unit bracket

Nm

25

25