Caterpillar — Illustration 2
A Caterpillar service procedure — check it applies to your exact model before use.
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Procedure
- Remove bolts (7) and remove outlet elbow (8).
- Remove bolts (5). Remove oil pickup tube (6) and the gasket.
Source: manual:Caterpillar-Cat-C9-Industrial-Engine-REH00001.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.