Mercedes-Benz: engine M272, M273. Service manual - part 9

 

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Mercedes-Benz: engine M272, M273. Service manual - part 9

 

 

4

 Screw in the pressure screw (02) at the 

 rivet press tool (01), and press the 

riveted link (1) into the press-fit center plate (2) all the way to the backstop.

 Ensure that the riveted link (1) and the 

 rivet press tool (01) are aligned. While 

screwing in the 

 pressure screw (02) ensure that the pins of the riveted link (1) are 

pressed into the holes of the press-fit center plate (2), and that the centering fork (03) 
that has been squeezed out does not fall into the timing case recess.

5

 Remove the pressure screw (02) and take off the 

 rivet press tool (01).

P05.10-2231-01

Press the outer plate on the riveted link

6

 Place the assembly insert (F401) in 

 the rivet press tool (01) and fix in place with 

the mounting screw.

7

 Place the assembly insert (01D3) in 

 the rivet press tool (01).

P05.10-2232-01

8

Insert the outer plate (3) into the 

 assembly insert (D3).

 The outer plate (3) is held magnetically.

P05.10-2233-01

9

 Place the rivet press tool (01) in such a way that the spacer webs of the 

 

assembly insert (F4) lies on the rolls of the timing chain (4).

 Ensure that the riveted link (1) and the outer plate (3) are aligned.

10

Screw in the 

 pressure screw (02) at the 

 rivet press tool (01) until there is solid 

resistance.

 While turning the 

 pressure screw (02), ensure that the pins of the riveted link (1) 

are pressed into the outer plate (3).

11

 Remove rivet press tool (01).

P05.10-2234-01

Rivet timing chain

12

 Shift the assembly insert (D3) on the riveted section (arrow).

P05.10-2235-01

Страница 2 из 3

© Daimler AG, 07.04.13, G/07/14, ar05.10-p-7601-02va, Riveting the timing chain
ENGINE 272, 273

13

 Place the rivet press tool (01) in the center of a riveted link (1) pin.

 Rivet the pins of the riveted link (1) individually.

14

 Tighten the pressure screw (02) at the 

 rivet press tool (01).

 Tightening torque of the 

 pressure screw (02): reference value 32 Nm.

15

 Remove rivet press tool (01).

P05.10-2236-01

16

  Inspect riveting (arrows), re-rivet if necessary.

P05.10-2237-01

Страница 3 из 3

© Daimler AG, 07.04.13, G/07/14, ar05.10-p-7601-02va, Riveting the timing chain
ENGINE 272, 273

AR05.20-P-6010EW

Check basic position of camshafts

2.12.09

ENGINES  272, 273 in MODEL 212

1

Marking on belt pulley

2

positioning edge on timing case cover

3

Pulse wheel markings

P05.20-2163-06

Remove/install

 

1

Remove front engine cover

See Remove air filter housing.

AR09.10-P-1150EWS

2

Remove Hall sensors on camshafts 

*BA15.10-P-1002-03E

Checking

3

Turn engine at crankshaft in direction of 

 The 305° marking (1) on belt pulley must 

rotation of engine (arrow) to a 55° crank 

be aligned with positioning edge (2) on 

before ignition TDC (305° marking on belt 

timing case cover and markings (3) on pulse 

pulley) and check basic position of 

wheels must be located in center of bores 

camshafts

for Hall sensors. If necessary: 
Set basic position of camshafts.

AR05.20-P-6020EW

*001589650900

4

Install in the reverse order
Risk of accident

Secure vehicle to prevent it from moving by 

Danger!

 caused by vehicle starting 

AS00.00-Z-0005-01A

 

off by itself when engine is running.  Risk of  itself.
injury

Wear closed and snug-fitting work clothes.

 caused by contusions and burns 

during starting procedure or when working 

Do not touch hot or rotating parts.

near the engine as it is running

5

Carry out an engine test run and check 
engine for leaks

Position sensor

 

Number

Designation

Engine

Engine

272

273

BA15.10-P-1002-03E

Bolt, camshaft Hall sensor to front cover on cylinder head

Nm

8

8

Страница 1 из 2

© Daimler AG, 07.04.13, G/07/14, ar05.20-p-6010ew, Check basic position of camshafts
ENGINES 272, 273 in MODEL 212

001 589 65 09 00

Wrench socket

Страница 2 из 2

© Daimler AG, 07.04.13, G/07/14, ar05.20-p-6010ew, Check basic position of camshafts
ENGINES 272, 273 in MODEL 212

 

 

 

 

 

 

 

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