Perkins — Fuel Transfer Pump - Remove and Install (Mechanical Fuel Transfer Pump)
Repair & overhaul
From a Perkins service manual covering: 402D-05, 403D-07, 403D-11, 403D-15, 404D-22, 404D-22T, 404D-22TA. 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, Perkins 404D-22TA
Before you start
- Do not allow dirt to enter the fuel system.
- Keep all parts clean from contaminants.
Procedure
- Turn fuel supply to OFF position.
- Note orientation of flange (5) on fuel transfer pump (1).
- Loosen hose clamps and disconnect hoses from pump.
- Evenly loosen bolts (4) and remove pump from cylinder block.
- Remove O-ring seal (3) from pump.
- Clean mating surfaces of cylinder block and flange (5).
- Install new O-ring seal (3) to pump.
- Lubricate operating plunger with clean engine oil.
- Position pump on cylinder block ensuring plunger is on camshaft lobe. Install bolts (4) and tighten to 6 N·m (53 lb in).
- Connect hoses and tighten hose clamps.
- If adjusting fuel inlet, tighten bolt (2) to 2.5 N·m (22 lb in).
- Turn fuel supply to ON position.
- Prime fuel system.
Specs & values
- 6 N·m (53 lb in) bolts
- 2.5 N·m (22 lb in) fuel inlet bolt
Full service-parts list: Perkins 402D-05 →, Perkins 403D-07 →, Perkins 403D-11 →, Perkins 403D-15 →, Perkins 404D-22 →, Perkins 404D-22T →, Perkins 404D-22TA →
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.