Turn Engine To Top Dead Center Position - AR01.10-P-1000-01MT

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Engine 133, 260, 270

Fig 1: Identifying Socket Wrench Bit (001 589 65 09 00)

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Shown on Engine 260

Turn Engine at the center bolt with the socket wrench socket in the direction of Engine rotation until the marking on the belt pulley (2) matches the marking on the Engine (1).
Do not turn Engine against the direction of Engine rotation.

Otherwise, the timing chain will jump and Engine damage will occur.

Check the precise alignment of the marking on the belt pulley (2) and the marking on the Engine (1) using a mirror.