Perkins 403F-11 — Fuel Injector Leakage Test
Testing & diagnosis
For the Perkins 403F-11, from the Perkins service manual.
Applies to: Perkins 403F-11
Procedure
- Connect injector to suitable tooling with spray directed into extension and collector.
- Pump pressure to about 2030 kPa below opening pressure; release and time pressure decay to 0 kPa.
- Check connection between adapter and injector for leakage; tighten or clean faces as needed.
- Pump to about 2030 kPa below opening pressure; verify no drip from tip for at least ten seconds.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 2030 kPa (294 psi) below opening pressure
- 5 to 45 seconds
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.