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Volvo Trucks North America, Inc. Date Group No. Page

TSI 8.2003 215 001 18(21)

2154-06-03-02

Camshaft Timing, Check and Adjust

You must read and understand the precautions and

guidelines in Service Information, Group 20, "General

Safety Practices, Engine" before performing this

procedure. If you are not properly trained and certified

in this procedure, ask your supervisor for training

before you perform it.

CAUTION

Failure to properly set the camshaft timing to the

crankshaft may result in loss of performance, poor fuel

economy, or in extreme cases, engine damage.

Special tools: 9996956, J–41272, J–42773

Install the camshaft alignment tool J–42773 by inserting

the guide pin into the hole under the camshaft drive

gear. Rotate the tool to position the lever against the

drive gear teeth to ensure correct positioning of the

camshaft alignment tool.

J–42773

T2012262

Position the camshaft using the flywheel turning tool

9996956.

Note: The camshaft setting must be exactly as illustrated

in the figure. It is important that the camshaft gear

marking is positioned precisely on both sides of the tool in

a line extending from the center of the camshaft.

9996956

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Volvo D12 Specifiche Pagina 18