ar0510d7601na

Replace timing chain

Type ar · topic 05.10 · version 0104 · 2003-11-28

Applies to: ENGINE 612.981 in MODEL WD1, WD2, WD3, WD6, WD7, XD1, XD2, XD3, XD4, XD5, XD6, XD7, YD1, YD2, YD3, YD4, YD5, YD6, YD7 ENGINE 647.981 in MODEL WD1, WD2, WD3, WD6, WD7, XD1, XD2, XD3, XD4, XD5, XD6, XD7, YD1, YD2, YD3, YD4, YD5, YD6, YD7 ENGINE 612.981 in MODEL 903.61 /66 /67, 904.61 /66 with CODE (ZU7) National version for Canada ENGINE 612.981 in MODEL 903.61 /66 /67, 904.61 /66 with CODE (ZU8) National version for USA ENGINE 612.981 in MODEL 903.61 /62 /66 /67, 904.61 /62 /66 with CODE (ZU9) Nation

Where it sits

Function group 1 Engine › 05 Engine timing › 05.10 Timing chain drive, toothed belt drive — Series 647 (models 981) · Series 903 (models 61*, 62*, 66*, 67*) · Series 904 (models 61*, 62*, 66*)

EinPAS 15 Engine › 15.17 Engine timing › 15.17.34 Chain drive/toothed belt/gearwheel drive — Series 647 (models 981) · Series 903 (models 61*, 62*, 66*, 67*) · Series 904 (models 61*, 62*, 66*)

Also applies to engines/gearboxes: 612 981

AR05.10-D-7601NA

Replace timing chain

15.1.01

ENGINE 612.981 in MODEL WD1, WD2, WD3, WD6, WD7, XD1, XD2, XD3, XD4, XD5, XD6, XD7, YD1, YD2, YD3, YD4, YD5, YD6, YD7

ENGINE 647.981 in MODEL WD1, WD2, WD3, WD6, WD7, XD1, XD2, XD3, XD4, XD5, XD6, XD7, YD1, YD2, YD3, YD4, YD5, YD6, YD7

ENGINE 612.981 in MODEL 903.61 /66 /67, 904.61 /66 with CODE (ZU7) National version for Canada

ENGINE 612.981 in MODEL 903.61 /66 /67, 904.61 /66 with CODE (ZU8) National version for USA

ENGINE 612.981 in MODEL 903.61 /62 /66 /67, 904.61 /62 /66 with CODE (ZU9) National version for Mexico

ENGINE 647.981 in MODEL 903.61 /66 /67, 904.61 /66 with CODE (ZU7) National version for Canada

ENGINE 647.981 in MODEL 903.61 /66 /67, 904.61 /66 with CODE (ZU8) National version for USA

ENGINE 647.981 in MODEL 903.61 /62 /66 /67, 904.61 /62 /66 with CODE (ZU9) National version for Mexico

Replace timing chain

D05.10-1122-09

Shown on engine 612.981

1 Old timing chain

2 New timing chain

3 Camshaft sprocket

4 Link

5 Center plate

6 Outer plate

11 Riveting tool

12 Centering fork

13 Assembly insert (digit F5)

14 Assembly insert (digit D9)

15 Assembly insert (digit F1)

16 Thrust piece (digit D8)

7.1 Assembly link

7.2 Assembly outer plate

7.3 Assembly locking element

8 Retaining device

9 Chain separating tool

10 Thrust spindle

Remove

1

Remove cylinder head cover

Engine 612.981

AR01.20-D-5014NA

Engine 647.981

AR01.20-D-5014NB

2

Separate old timing chain (1)

Cover over timing case recess with a clean cloth.

AR05.10-D-7601-01D

Case

*602589009800

Chain separating tool

*602589023300

Pressure screw

*602589046300

Thrust pins

*602589046301

Retaining device

*611589014000

Install

3

Draw in new timing chain (2)

Cover over timing case recess with a clean cloth.

The holes in the rollers of the new timing chain (2) must point to the outside.

AR05.10-D-7601-04D

Absolutely remove assembly link (7.1), assembly outer plate (7.2) and assembly locking element (7.3) after drawing in the new timing chain (2). They are only intended as an assembly aid and are not suitable for engine operation.

Case

*602589009800

Assembly links

*602589024000

Retaining device

*611589014000

4

Rivet new timing chain (2)

Cover over timing case recess with a clean cloth.

Check camshaft sprocket (3) for score marks and pitting, replace if necessary.

AR05.10-D-7601-02D

Assembly inserts

*112589096300

Case

*602589009800

Riveting tool

*602589003900

Assembly inserts

*602589026300

Thrust piece

*602589036300

Retaining device

*611589014000

5

Check basic position of camshafts

Engine 612.981

AR05.20-D-6010NA

Engine 647.981

AR05.20-D-6010NB

If necessary:

Adjust basic position of camshafts

AR05.20-D-6025NA

6

Install cylinder head cover

Engine 612.981

AR01.20-D-5014NA

Engine 647.981

AR01.20-D-5014NB

Replace timing chain
Replace timing chain
Replace timing chain
Replace timing chain

602 589 00 39 00

Case

Riveting tool

Assembly inserts

Chain separating tool

112 589 09 63 00

602 589 00 98 00

602 589 02 33 00

Replace timing chain
Replace timing chain
Replace timing chain
Replace timing chain

602 589 02 63 00

Thrust piece

Assembly inserts

Assembly links

Thrust spindle

602 589 02 40 00

602 589 03 63 00

602 589 04 63 00

Replace timing chain
Replace timing chain

611 589 01 40 00

Holding device

Thrust pins

602 589 04 63 01

Referenced documents