Perkins — Fuel Control Manifold (ARD) - Remove and Install (Pilot Solenoid Only)

Repair & overhaul · ARD fuel control manifold

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

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Procedure

1. Turn fuel supply OFF and battery disconnect switch OFF.
2. Thoroughly clean the exterior of the component before disassembly.
3. Slide locking tab (3) to unlocked; disconnect harness assembly (1) from fuel pressure sensors (2).
4. Disconnect harness assembly (4) for solenoid (5).
5. Disconnect hose assembly (8); plug; remove O-ring seal (9); cap.
6. Disconnect hose assembly (7); plug; remove O-ring seal (6); cap.
7. Cut cable straps (10) and (11) for the harness assemblies.
8. Remove bolts (12); remove bracket (13) and bracket (15); remove fuel control manifold (14).
9. Disassemble: remove fuel pressure sensor (2) and O-ring seal (20); remove nut (16), solenoid (5), valve assembly (17); remove O-ring seals (18), (19); remove connections (21) and (24) with O-ring seal
10. Assemble: tighten connections (21) and (24) to 43 N·m; valve assembly (17) to 50 N·m; nut (16) to 20 N·m; fuel pressure sensor to 20 N·m.
11. Position brackets (13), (15) onto manifold; install bolts (12).
12. Position manifold onto clean emission module bracket; tighten bolts (12) to 55 N·m (41 lb ft).
13. Connect hose assemblies (8) and (7) with new O-ring seals (9), (6).
14. Connect harness assemblies (1) and (4); slide locking tabs; install new cable straps (10), (11).
15. Turn fuel supply ON and battery disconnect switch ON.

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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