Perkins — Fuel Filter Base - Remove and Install (403A-11, 403D-11, etc.)
Repair & overhaul
From a Perkins service manual covering: 402D-05, 403D-07, 403D-11, 403D-15, 404D-22, 404D-22T, KENR6226-10. Check it applies to your exact model before use.
Applies to: Perkins 402D-05, Perkins 403D-07, Perkins 403D-11, Perkins 403D-15, Perkins 404D-22, Perkins 404D-22T
Before you start
- Keep all parts clean from contaminants.
Procedure
- Turn fuel supply OFF.
- Loosen hose clamps and disconnect hoses.
- Remove fuel filter element if necessary.
- Remove fasteners and fuel filter base from bracket.
- Remove plugs, tube assemblies, and rubber olives if needed.
- Install new rubber olives and tube assemblies; tighten nuts to 9 N·m.
- Install plugs with washers; tighten to 23 N·m.
- Align base and install fasteners; tighten to 50 N·m.
- Install new fuel filter element if needed.
- Connect hoses and tighten clamps.
- Turn fuel supply ON and prime.
Specs & values
- Tube assembly nuts: 9 N·m
- Plugs: 23 N·m
- Fasteners: 50 N·m
Full service-parts list: Perkins 402D-05 →, Perkins 403D-07 →, Perkins 403D-11 →, Perkins 403D-15 →, Perkins 404D-22 →, Perkins 404D-22T →
Source: Perkins service 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.