Perkins — Fuel Priming Pump - Remove and Install

Repair & overhaul

From a Perkins service manual — check it applies to your exact model before use.

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Procedure

1. Turn the fuel supply to the OFF position.
2. Make temporary identification marks on plastic tube assemblies (1).
3. Place a container below the fuel priming pump and drain primary filter (7).
4. Disconnect plastic tube assemblies (1) and plug with new plugs using Tooling (A).
5. Cap open connectors (2) on the fuel priming pump with new caps using Tooling (A).
6. Remove primary filter (6) from fuel priming pump (4).
7. Remove bolts (7) and remove fuel priming pump (4) from mounting bracket.
8. If needed, disassemble pump: remove connectors (2) and plugs (5), then remove O-ring seals (3).
9. Ensure pump clean and free from wear; replace if necessary.
10. Assemble with new O-ring seals (3) on connectors (2) and plugs (5).
11. Tighten plugs and connectors to 20 N·m (14 lb ft).
12. Position pump on bracket, install bolts (7), tighten to 44 N·m (32 lb ft).
13. Remove plugs from plastic tube assemblies and caps from connectors.
14. Connect plastic tube assemblies (1) to connectors (2).
15. Install new primary filter (6) to pump, turn fuel supply ON, and prime fuel system.

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.

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