Volvo Penta — Gear ring, changing
Repair & overhaul
From a Volvo Penta service manual — check it applies to your exact model before use.
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Before you start
- Be careful not to overheat gear ring; this will result in runout.
Procedure
- Heat new gear ring evenly to 180-200°C.
- Stop heating when polished surfaces become blue.
- Drill 1-2 holes in a tooth gap on old gear ring.
- Split old gear ring with chisel and lift from flywheel.
- Clean contact surface of flywheel with steel brush.
- Place warmed gear ring on flywheel and tap into position.
- Allow gear ring to cool.
Specs & values
- Gear ring heating 180-200°C (365-392°F)
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.