ar1415g6302b

Remove/install engine brake valve fitting

Type ar · emne 14.15 · version 0115 · 2019-04-04

Gælder for: Engine 900.915/916, 904.927/928 in model 405 Engine 900.920/921, 904.952/953, 924.916/923/931 in model 437.42/43 Engine 924.916 in model 437.465

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 1 Motor › 14 Udstødningsmanifold, motorbremse, udstødningsrenseanlæg › 14.15 Motorbremse — Serie 405 · Serie 437 (modeller 42*, 43*, 465) · Serie 900 (modeller 915, 916, 920, 921) · Serie 904 (modeller 927, 928, 952, 953)

EinPAS 21 bremser/vakuumsystem/trykluftsystem › 21.20 Motorbremse › 21.20.35 Spjældstuds/cylinder — Serie 405 · Serie 437 (modeller 42*, 43*, 465) · Serie 900 (modeller 915, 916, 920, 921) · Serie 904 (modeller 927, 928, 952, 953)

Gælder også for motorer/gearkasser: 924 916, 924 923, 924 931

AR14.15-G-6302B

Remove/install engine brake valve fitting

03.04.2019

Engine

900.915/916, 904.927/928 in model 405

Engine

900.920/921, 904.952/953, 924.916/923/931 in model 437.42/43

Engine

924.916 in model 437.465

Modification notes

22.05.2018

Notes on the seal (3) added (only for engine 900.920/921, 904.952/953, 924.916/923/931 in model 437.4).

Operation step 7

Remove/install engine brake valve fitting

Shown on engine 904

1

Flexible exhaust pipe

2

Clip

3

Seal (only for engine 900.920/921, 904.952/953, 924.916/923/931 in model 437.4)

4

Valve fitting

5

Nut

6

Heat shield

7

Screw

8

Compressed-air line

9

Turbocharger

G14.15-3120-12

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

Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-N-5000-01H

Remove/install

1

Disconnect ground line from battery.


Model 405

AR54.10-G-0003B

MODEL 437.42/43 Vehicles for civilian use

AR54.10-G-0003C

Model 437.42/43/465 vehicles for non-civilian use

AR54.10-G-0003CN

2.1

Tilt cab to repair position.

Model 405, model 437.42/43

AR60.80-G-0005B

2.2

Open hood.

Model 437.465 with engine 924.916

See information from body manufacturer.

3

Remove injection line of the exhaust aftertreatment system.


Engine 900.915/916 in model 405

AR14.40-G-2001B

Engine 900.920/921, 924.923/931 in model 437.42/43

AR14.40-G-2001C

Installation: The injection line must be replaced every time it is removed.

4

Remove all brackets of the coolant pipe from the engine and push coolant pipe toward the top and fix in place.

Only for engine 900.915/916, 904.927/928 in model 405

5

Remove heat shield (6).

Bolt, heat shield to exhaust gas turbocharger

*BA09.40-N-1004-01K

6

Remove screw for flexible exhaust pipe (1) from coupling housing.

7

Release clamp (2) and remove flexible exhaust pipe (1) from valve fitting (4).

Installation: Clean sealing surfaces. Check clamp (2) for wear; replace if necessary.

Only for engine 900.920/921, 904.952/953, 924.916/923/931 in model 437.4
Installation: Replace seal (3).
If no seal (3) was present, a seal (3) must be installed.

Clamp, flexible exhaust pipe to valve fitting

*BA49.10-N-1001-01G

8

Remove compressed-air line (8) from engine braker cylinder.

9

Unscrew nuts (5).

Installation: Replace nuts (5).

Nut, engine brake valve fitting to turbocharger

*BA14.10-N-1002-01L

10

Remove valve fitting (4) from exhaust gas turbocharger (9).

11

Remove injection nozzle of the exhaust aftertreatment system.

Only if new valve fitting (4) is installed.

Only for engine 900.915/916 in model 405, engine 900.920/921, 924.923/931 in model 437.42/43

AR14.40-G-2000B

12

Install in the reverse order.

13

Perform quick test, print out, and file in a tamperproof manner.

AD00.00-G-2000-04B

Stored faults, which may occur as a result of lines being removed or a simulation during assembly or testing, must be processed and cleared in the fault memories after completing the operations.

Turbocharger

Number

Designation

Engine 900.91/92, 902.92/93, 904.92/95, 906.935/95, 924.91/92/93, 926.96

BA09.40-N-1004-01K

Bolt, heat shield to exhaust gas turbocharger

Nm

25

Exhaust manifold

Number

Designation

Engine 900.91/92, 902.92/93, 904.92/95, 906.935/95, 924.91/92/93, 926.96

BA14.10-N-1002-01L

Nut, engine brake valve fitting to turbocharger

M8

Nm

30

M10

Nm

50

Exhaust system

Number

Designation

Engine 900.915/916, 902.923/924

Engine 900.920/921, 924.923/931

BA49.10-N-1001-01G

Clamp, flexible exhaust pipe to valve fitting

M8

Nm

20

20

Exhaust system

Number

Designation

Engine 902.935, 904.927/928, 906.935/955

Engine 904.952/953, 924.916, 926.969

BA49.10-N-1001-01G

Clamp, flexible exhaust pipe to valve fitting

M8

Nm

20

20

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