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Perkins 1106 — Fuel System Primary Filter (Water Separator) Element - Replace

Maintenance · Fuel system primary filter / water separator

For the Perkins 1106, from the Perkins owner's manual.

Applies to: Perkins 1106

Before you start

  • Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire.

Parts for this job

Part numbers from the service-parts list for Perkins 1106. Verify against your serial number before ordering; some links are affiliate links.

Procedure

  1. Turn the fuel supply valve to OFF. Place a container under the water separator and clean the outside.
  2. Install a tube onto the drain, open the drain, allow fluid to drain, then remove the tube.
  3. Tighten the drain by hand pressure only.
  4. Remove the wiring harness from the sensor if equipped.
  5. Hold the glass bowl and remove the setscrew. Remove the glass bowl from the canister.
  6. Remove the canister with a suitable tool. Discard the old seals and canister safely.
  7. Clean the glass bowl.
  8. Lubricate the O ring seal of the new canister with clean fuel oil and install it; tighten by hand.
  9. Install new O ring seals onto the setscrew and into the glass bowl.
  10. Align the glass bowl to the canister; install the setscrew and tighten to 5 N·m (44 lb in).
  11. Install the wiring harness to the sensor if equipped.
  12. Remove the container and dispose of the fuel safely.
  13. The secondary filter must be replaced at the same time as the primary filter.

Tools required

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

Specs & values

  • Setscrew torque 5 N·m (44 lb in)

Full service-parts list: Perkins 1106 →

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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