Perkins — Fuel Manifold (Rail) - 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. Start by removing the fuel injection lines.
2. Thoroughly clean area around fuel manifold (12).
3. Disconnect hose assembly connection (8) from fuel injection pump (7).
4. Disconnect hose assembly connection (5) from fuel distribution block (4).
5. Remove bolts (1) from fuel manifold (2) and remove from valve mechanism cover (3).
6. If needed, release hose clamp (9), disconnect plastic tube assembly (6), cap port, remove seal (10), plug tube.
7. Ensure all ports on fuel manifold are capped and manifold externally clean.
8. If needed, install tube assembly (6) with new seal (10) and hose clamp (9).
9. Position fuel manifold (2) onto valve mechanism cover (3) and install bolts (1) finger tight.
10. Install new fuel injection lines finger tight.
11. Tighten bolts (1) to 27 N·m (239 lb in).
12. Tighten nuts for fuel injection lines per Fuel Injection Lines - Install.
13. Remove plug from connection (8) and install plastic tube assembly (6) to fuel injection pump (7).
14. Remove plug from connection (5) and install plastic tube assembly (6) to distribution block (4).
15. If new manifold installed, perform Rail Pressure Valve Learn Reset with electronic service tool.

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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