Perkins — Fuel Priming Pump - Remove and Install (Electric Fuel Lift Pump (EFLP))
Repair & overhaul · Fuel priming pump (EFLP)
From a Perkins service manual — check it applies to your exact model before use.
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Before you start
- Ensure that all adjustments and repairs to the fuel system are performed by authorized personnel with the correct training.
Procedure
- Turn the fuel supply to the OFF position.
- Turn the battery disconnect switch to the OFF position.
- Mark plastic tube assembly and hose assembly to show correct position.
- Slide hose clamp (2) and disconnect hose assembly (1) from fuel priming pump (7).
- Plug hose assembly and cap open connectors with new plug and caps.
- Disconnect plastic tube assembly (6) from fuel priming pump (7); plug and cap.
- Disconnect harness assembly from fuel priming pump connection (8).
- Remove bolts (3) and bolt (4); remove priming pump (7) from bracket (5).
- To disassemble: remove allen head screws (11), pump from manifold (10), O-ring seal (12), connection (13), O-ring seal (14).
- Assemble: install new O-ring seal (14) to connection (13); tighten connection to 20 N·m.
- Install new O-ring seal (12) and pump onto manifold (10); tighten allen head screws (11) to 9 N·m.
- Position pump onto bracket (5); install bolt (4) and bolts (3); tighten to 22 N·m.
- Connect hose assembly (1) and plastic tube assembly (6); connect harness to connection (8).
- Turn fuel supply ON and battery disconnect switch ON; prime the fuel system.
Tools required
- T410437 Cap Kit Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 20 N·m (177 lb in) connection (13)
- 9 N·m (80 lb in) allen head screws (11)
- 22 N·m (195 lb in) bolt (4) and bolts (3)
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.