Remove/install camshaft sprockets

AR05.20-S-0010EA

Remove/install camshaft sprockets

13.05.2020

Engine

654.9 in model 447

Modification notes

06.05.2020

General information adapted.

Operation steps 6, 10 and 12

1

Exhaust camshaft

6

Bolts

2

Intake camshaft

7

Hold-down tool

3

Screw

8

Hold-down tool

4

Screw

10

Camshaft sprocket

5

Camshaft housing

01

Lock pin

 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

 Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A



Remove

1

Remove cap from cylinder head.

AR01.30-S-5701EA

2

Install retaining lock for crankshaft.

AR03.30-S-5001EA

3

Attach hold-down tool (7) to the intake camshaft (2) and attach hold-down tool (8) to the exhaust camshaft (1).

 Install  hold-down tool (7) first and then  hold-down tool (8).

 Hold-down tool

*654589014000

4

Tighten hold-down tools (7, 8) with the screws (6).

 Use screws (6) of the  hold-down tools (7, 8).

5

Engage camshaft sprockets (10) with the locking bolts (01).

 Assembly plate

*654589003100

6

Remove bolts (3, 4).

 Screw (3) of intake camshaft (2) has a left-hand thread.

7

Remove camshaft sprockets (10).



Install

8

Engage camshaft sprockets (10) with the locking bolts (01).

If new camshaft sprockets (10) were installed.

AR05.20-S-6992-02EA

 Assembly plate

*654589003100

9

Install camshaft sprockets (10).

 The markings (arrow) of the camshaft sprockets (10) must match the markings on the camshaft housing (5).

10

Tighten screws (3, 4) slightly by hand.

 Replace screws (3, 4).

 Screw (3) of intake camshaft (2) has a left-hand thread.



Check

11

Check that the markings (arrow) of the camshaft sprockets (10) are aligned with the markings on the camshaft housing (5).

If there is a problem,



remove the retaining lock for the crankshaft and the locking bolts (01) at set the basic position of the exhaust camshaft (1) and the intake camshaft (2).

Remove/install retaining lock for crankshaft

AR03.30-S-5001EA

Set basic position of camshafts

AR05.20-S-6020EA



Install

12

Tighten screws(3, 4).

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

 Screw (3) of intake camshaft (2) has a left-hand thread.

 Screw/bolt, camshaft sprocket to camshaft

*BA05.20-N-1001-01EA

13

Remove locking bolts (01).

14

Remove screws (6) and remove hold-down tools (7, 8).

15

Remove retaining lock for crankshaft.

AR03.30-S-5001EA

16

Install cap on cylinder head.

AR01.30-S-5701EA

 Camshaft

Number

Designation

Engine 654.9 in model 447

BA05.20-N-1001-01EA

Screw/bolt, camshaft sprocket to camshaft

Stage 1

Nm

50

Stage 2

°

90