Perkins — Fuel Pump (ARD) - Remove and Install

Repair & overhaul · ARD fuel pump

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. Make temporary identification marks on hose tube assemblies.
3. Disconnect hose assembly (2), remove O-ring seal (3); cap and plug.
4. Disconnect hose assemblies (5) and (8); cap and plug.
5. Slide locking tab for harness assembly (1) to unlocked; disconnect OEM harness assembly.
6. Remove bolts (6) and washers (7); remove ARD fuel pump (4) from mounting bracket.
7. Disassemble: remove connection (9) and O-ring (10); connection (16), adaptor (11), O-ring (15); connection (17), adaptor (19), O-ring (18); adaptor (11) and O-ring (12); adaptor (19) and O-ring (20);
8. Assemble: install new O-ring seals; tighten connections/adaptors (9), (11), (16), (19) to 25 N·m; connection (17) to 15 N·m.
9. Install isolation mounts (13) and limit sleeve (14) to ARD fuel pump (4).
10. Position ARD fuel pump on bracket; install bolts (6) and washers (7); tighten to 22 N·m (195 lb in).
11. Install new O-ring seal (3); connect hose assembly (2).
12. Connect hose assemblies (5) and (8); connect OEM harness to harness assembly (1); lock tab.
13. Turn battery disconnect switch ON and fuel supply 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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