Remove/install engine brake valve fitting

AR14.15-B-6302A

Remove/install engine brake valve fitting

07.11.2019

Engine

904.9, 906.9, 924.9, 926.9 in model 368.0/1, 382.1, 384.06/07, 634.0, 685.282/284/289/290, 979.2

1

Exhaust pipe

2

Clamp

3

Outlet manifold with engine-brake device

4

Nut

5

Turbocharger

6

Deflector plate

7

Bolt

8

Compressed air piping

 

Remove/install

 Danger

Risk of fire/risk of explosion due to short circuit and escaping oxyhydrogen gas. Risk of (burn) injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte/mist, short circuit and arcing. Risk of poisoning caused by swallowing battery electrolyte or absorption of lead through the skin or body orifices. Risk of death due to voltage U >= 30 V AC and U >= 60 V DC.

No fires, sparks, open flames, or smoking. Wear acid-resistant gloves, clothing, and glasses. Pour battery acid only into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

1

Disconnect the battery leads

Topical note

Notes on battery

AH54.10-P-0001-01A

2

Unscrew the bolts (7) and remove the baffle plate (6)

 .Hollow screw, of the turbocharger pressure oil tube, on the block

*BA09.40-B-1004-01B

3

Release the clamp (2) and disconnect the exhaust pipe (1) from the exhaust manifold (3)

 Installation: Conveniently clean the contact surfaces and check the clamp conditions (2). If necessary replace it.

4

Remove the compressed air piping (8) from the pneumatic cylinder

5

Loosen the nuts (4) and remove the exhaust manifold (3)

 Installation: Replace the nuts (4).

 .Outlet manifold with engine brake mechanism to turbocharger

*BA14.10-B-1002-01C

6

Install in reverse order

 turbocharger

Number

Designation

Engine 904.9

Engine 906.9

BA09.40-B-1004-01B

Hollow screw, of the turbocharger pressure oil tube, on the block

Nm

10

15

 turbocharger

Number

Designation

Engine 924.9, 926.9

BA09.40-B-1004-01B

Hollow screw, of the turbocharger pressure oil tube, on the block

Nm

15

 Exhaust manifold

Number

Designation

Engine 904.9, 906.9

Engine 924.9, 926.9

BA14.10-B-1002-01C

Outlet manifold with engine brake mechanism to turbocharger

M8

Nm

30

30

M10

Nm

50

50