Volvo Penta — Fitting the timing gears

Installation

From a Volvo Penta service manual — check it applies to your exact model before use.

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Procedure

1. Heat crankshaft gear to approx. 100°C and press on using adapters 9992584, 9996626 and hydraulic cylinder 9992671.
2. Heat oil pump gear to approx. 180°C and tap onto oil pump.
3. Oil plain bearing, fit intermediate gear 7, tighten to 24+4 Nm.
4. Oil plain bearings for gears 3 and 9, tighten to 15+3 Nm, then angle tighten 120°+5°.
5. Fit adjustable intermediate gear 13; tighten bolts by hand.
6. Check flywheel 0° mark opposite arrow on flywheel housing.
7. Heat polygon hub to approx. 100°C and press on using spindle 9996315.
8. Fit crankshaft bolt with washer, tighten to 645+25 Nm.
9. Fit camshaft gear without vibration damper.
10. Check camshaft gear with 7 mm dowel between marks.
11. Check adjustable intermediate gear flank clearance with feeler gauges.
12. Adjust flank clearance if needed.
13. Fit toothed wheel and tighten to 35+3 Nm then 90°+5°.
14. Fit inner vibration damper, O-ring and driver; tighten to 60+5 Nm then 90°+5°.
15. Fit outer vibration damper, tighten to 60+25 Nm then 90°+5°.

Source: Volvo Penta service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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