ar1415g5810dd

Service engine brake valve fitting

Type ar · emne 14.15 · version 0108 · 2019-10-07

Gælder for: Engine 900.91/92, 924.91/93/94 With engine brake, with constant throttle Engine 902.91/93 in model 000.001 Engine 904.94/95/96/97, 906.93/94/95/96/98/99, 926.91/92/93/95/97/98 in model 000.001 Engine 925.9 in model 000.001

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 1 Motor › 14 Udstødningsmanifold, motorbremse, udstødningsrenseanlæg › 14.15 Motorbremse — Serie 000 (modeller 001) · Serie 900 (modeller 91*, 92*) · Serie 902 (modeller 91*, 93*) · Serie 904 (modeller 94*, 95*, 96*, 97*) · Serie 906 (modeller 93*, 94*, 95*, 96*, 98*, 99*)

EinPAS 21 bremser/vakuumsystem/trykluftsystem › 21.20 Motorbremse › 21.20.35 Spjældstuds/cylinder — Serie 000 (modeller 001) · Serie 900 (modeller 91*, 92*) · Serie 902 (modeller 91*, 93*) · Serie 904 (modeller 94*, 95*, 96*, 97*) · Serie 906 (modeller 93*, 94*, 95*, 96*, 98*, 99*)

Gælder også for motorer/gearkasser: 924 91*, 924 93*, 924 94*, 925 9**, 926 91*, 926 92*, 926 93*, 926 95*, 926 97*, 926 98*

AR14.15-G-5810DD

Service engine brake valve fitting

04.09.2019

Engine

900.91/92, 924.91/93/94

With engine brake, with constant throttle

Engine

902.91/93 in model 000.001

Engine

904.94/95/96/97, 906.93/94/95/96/98/99, 926.91/92/93/95/97/98 in model 000.001

Engine

925.9 in model 000.001

Modification notes

23.07.2019

Work procedure completely modified.

Operation steps 1 to 21.

Service engine brake valve fitting

1

Valve fitting

2.1

Bearing sleeve

2.2

Bearing sleeve

3

Engine brake shaft

4

Engine brake valve

5

Screw

6

Bracket

7

Screw

8

Spacer sleeve

9

Nut

10

Engine brake cylinder

10.1

Jam nut

10.2

Ball socket

11

Fuse

12

Control lever

13

Nut

14

Screw

B

Drive position

C

Brake position

W14.15-1001-06

Service engine brake valve fitting

1

Valve fitting

2.1

Bearing sleeve

2.2

Bearing sleeve

3

Engine brake shaft

4

Engine brake valve

5

Bolts

A

Calculate end play

W14.15-1026-11

Warning

Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.

No parts of the body or limbs should be within the operating area of mechanical components when moving components.

AS00.00-Z-0009-01A

Disassemble

1

Remove valve fitting (1).

AR14.15-G-6302DD

2

Remove engine brake cylinder (10).

AR14.15-G-5816DD

3

Remove spacer sleeve (8).

4

Remove control lever (12).

5

Remove holder (6).

6

Remove engine brake flap (4).

Close for this purpose engine brake flap (4).

7

Remove engine brake shaft (3) together with bearing bushing (2.1).

Use a suitable drift.

8

Remove bearing bushing (2.2).

Use a suitable drift.

Assemble

9

Install bearing bushing (2.2) at side of bracket (6).

Use a suitable drift.

10

Coat engine brake shaft (3) at bearing points for bearing bushings (2.1, 2.2) with lubricant.

Paste, hot lubrication 1 kg, DBL 6879.20

*BR00.45-Z-1005-06A

11

Install engine brake shaft (3) in valve fitting (1).

Guide engine brake shaft (3) through bore for bearing bushing (2.1) and insert in bearing bushing (2.2).

12

Install bearing bushing (2.1).

Use a suitable drift.

13

Push back bearing bushings (2.1, 2.2) on both sides uniformly until end play (A) of engine brake shaft (3) is reached.

Use a suitable drift.
Measure end play (A) with a feeler gauge.

Engine brake shafts - axial play between bushings

*BE14.15-N-1004-01D

14

Install engine brake flap (4).

For this purpose, bring engine brake shaft (3) into braking position (C) and attach screws (5) from direction of exhaust gas turbocharger.

Align engine brake flap (4) so that it rests in the closed position at engine brake flap end stop and does not rub against housing.

15

Install bracket (6).

16

Install control lever (12).

Position control lever (12) on spline of engine brake shaft (3) so that end stop of control lever (12) is in contact with bracket (6) for a fully opened engine brake flap (4), drive position (B).

17

Check adjustment of the engine brake flap (4).

For a fully opened engine brake flap (4), drive position (B), end stop of control lever (12) may not be in contact with bracket (6) (clearance approx. 1 mm).

18

Install spacer sleeve (8).

19

Install engine brake cylinder (10).

AR14.15-G-5816DD

20

Adjust preload of engine brake cylinder (10) and secure engine brake cylinder (10).

AR14.15-G-5816-01DD

Observe adjustment dimension of engine brake cylinder (10).

Engine brake cylinder preload

*BE14.15-N-1002-01D

Adjustment dimension of engine brake cylinder

*BE14.15-N-1001-01D

21

Install valve fitting (1).

AR14.15-G-6302DD

Check values for engine brake

Number

Designation

ENGINE 900.9, 902.9, 904.9

ENGINE 906.9 (except 906.901/902)

BE14.15-N-1001-01D

Adjustment dimension of engine brake cylinder

mm

183,0...184,0

183,0...184,0

Check values for engine brake

Number

Designation

Engine 924.9, 925.9, 926.9 in model 000.001

BE14.15-N-1001-01D

Adjustment dimension of engine brake cylinder

mm

180,3

Check values for engine brake

Number

Designation

ENGINE 900.9, 902.9, 904.9

ENGINE 906.9 (except 906.901/902)

BE14.15-N-1002-01D

Engine brake cylinder preload

mm

1,0...2,0

1,0...2,0

Check values for engine brake

Number

Designation

Engine 924.9, 925.9, 926.9 in model 000.001

BE14.15-N-1002-01D

Engine brake cylinder preload

mm

1,0...2,0

Check values for engine brake

Number

Designation

ENGINE 900.9, 902.9, 904.9

ENGINE 906.9 (except 906.901/902)

BE14.15-N-1004-01D

Engine brake shafts - axial play between bushings

mm

0,3...0,5

0,3...0,5

Check values for engine brake

Number

Designation

Engine 924.9, 925.9, 926.9 in model 000.001

BE14.15-N-1004-01D

Engine brake shafts - axial play between bushings

mm

0,3...0,5

Repair materials

Number

Designation

Order number

BR00.45-Z-1005-06A

Paste, hot lubrication 1 kg, DBL 6879.20

A 000 989 76 51

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