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Perkins 1506 — Fuel System Primary Filter (Water Separator) Element - Replace

Maintenance · Primary fuel filter

For the Perkins 1506, from the Perkins owner's manual.

Applies to: Perkins 1506A engine, Perkins 1506C engine, Perkins 1506D engine

Before you start

  • Ensure that the engine is stopped before any servicing or repair is performed.
  • Do not allow dirt to enter the fuel system.

Procedure

  1. Turn the fuel supply valve OFF; place a container under the filter assembly and clean the outside.
  2. Drain the fuel from the primary fuel filter; open drain valve (1) and allow to drain, then close.
  3. Using a suitable tool, remove the primary fuel filter (4) from housing (2); discard.
  4. Lubricate the O ring seal (3) with clean diesel fuel and install the new primary fuel filter (4).
  5. Spin on by hand; when the O ring seal contacts the sealing surface rotate ¾ of a full turn.
  6. Turn the fuel line valves ON and prime the fuel system.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Source: Perkins owner'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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