Cummins — Change the LF—777 Lubricating Oil Spin-On
A Cummins service procedure — check it applies to your exact model before use.
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Procedure
- 1. Unscrew the spin-on filter from the filter head;
- 2. Apply a light even coat of lubricating oi! to the
Source: manual:Cummins Diesel VTA28 Manual 1983.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.