Mercedes-Benz: engine M272, M273. 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