Perkins 1103 / 1104 — Fuel Injection Pump Timing - Adjust (Bosch EPVE)
Adjustments
For the Perkins 1103 / 1104, from the Perkins service manual.
Applies to: Perkins 1103, Perkins 1104, Perkins 1104 (1103 also covered) engine
Before you start
- This procedure must only be carried out by a person with the correct training.
- Do not rotate the fuel injection pump if the fuel injection pump shaft is locked.
Procedure
- Set No. 1 piston at top center on the compression stroke and remove the rocker shaft.
- Remove the high pressure fuel lines. Remove plug and washer and install 27610248 adapter with dial indicator.
- Rotate the crankshaft counterclockwise until the plunger is at the bottom. Set dial indicator to zero.
- Rotate the crankshaft clockwise until the required plunger lift is achieved.
- Lock the pump shaft: loosen locking screw, remove washer, tighten locking screw to 31 N·m (23 lb ft).
- Remove the water pump, front cover and fuel injection pump gear.
- Set No. 1 piston at top center and install the fuel injection pump gear, front cover and water pump.
- Install a new washer to the plug and install the plug. Install the rocker shaft and high pressure fuel lines and eliminate air.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Locking screw torque 31 N·m (23 lb ft).
- Set dial indicator to approximately 3 mm (0.1181 inch).
Full service-parts list: Perkins 1103 →, Perkins 1104 →
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.