Volvo D12 Specifications download pdf (Page 9)

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

TSI 8.2003 215 001 9(21)

T2007148

Fig. 11: Installing the camshaft drive gear

Install the camshaft drive gear. Use tool 9998270 to lock

the camshaft into place. Torque-tighten to

645 ± 25 Nm (475 ± 18 ft-lb).

Note: Do NOT install the bolts for the rocker arm shaft.

645 ± 25 Nm

(475 ± 18 ft-lb)

9998270

Adjust the camshaft timing; refer to “Camshaft Timing,

Check and Adjust” page 18.

T2006820

Fig. 12: Installing the rocker arm bridge

Apply clean engine oil to the valve bridges and camshaft

lobes. Using tool 9998255, lift the rocker arm shaft

assembly into place. Make sure that the valve bridges

and the rocker arms are correctly positioned in relation to

each other.

9998255

Hand-tighten the rocker arm shaft with the bolts until it

bottoms against the bearing housings.

Note: Tighten the rocker arm shaft bolts gradually so that

no distortions occur on the shaft. Do NOT torque.

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Volvo D12 Specifications Page 9