312000297 - 1060E DIESEL PRESSURE PUMP AND CONTROL
Pressure pump
Type
It is the radial jet type with three radial pistons (total capacity 0.567 cc) and is operated by the camshaft through an oldham joint and does not have timing positions.Structure
Each pumping unit consists of:
- a piston (5) operated by a cam (2) in one piece with the pump shaft (6);
- a plate-type intake valve (3);
- a ball delivery valve (4).
1. Pressure pump2. (Oldham) joint connected to camshaft
Pressure regulator
This is fitted on the rail and controlled by the injection control unit. It adjusts fuel feed pressure to the injectors.The pressure regulator consists mainly of the following components:
- a spherical shutter (1);
- a valve (3) controlling pin (2);
- a preloading spring (4);
- a coil (5).
1. Spherical plunger2. Pin3. Valve4. Preload spring5. Coil6. Case7. Anchor8. Filter