Caterpillar — Assemble Accessory Drive
A Caterpillar service procedure — check it applies to your exact model before use.
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Procedure
- Install cover (1) and bolts (2) on gear (3)
- Install gear (3) in bearing (4)
- Install cover (5) and bolts that hold the gear in the bearing
Source: manual:Disassembly-Assembly-3406C-Marine-Engine-1996.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.