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Caterpillar 3516C / 3516C Generator Set — Fuel System Secondary Filter - Replace

Maintenance · Secondary fuel filter elements

For the Caterpillar 3516C / 3516C Generator Set, from the Caterpillar operator's manual.

Applies to: Caterpillar 3516C, Caterpillar 3516C engine

Before you start

  • Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire
  • Personal injury can result from parts and/or covers under spring pressure

Procedure

  1. Stop the engine; ensure engine will not start.
  2. Shut off the fuel supply valve to the engine.
  3. Connect a hose to drain; open drain valve; remove plug; allow fuel to drain.
  4. Gradually loosen bolts; pry cover loose to relieve spring pressure; remove cover and elements.
  5. Clean cover, O-ring seal and inside of fuel filter housing.
  6. Install new fuel filter elements.
  7. Inspect O-ring seal; install new seal if damaged.
  8. Install cover ensuring springs are seated; open fuel supply valve; prime fuel system.

Specs & values

  • Replace when differential pressure gauge registers 103 kPa (15 psi) or after 1000 service hours

Full service-parts list: Caterpillar 3516C →, Caterpillar 3516C engine →

Source: Caterpillar operator's 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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