Technical information

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Workshop Manual_3 - 4 LD_cod. ED0053025560_4° ed_ rev. 03

FUEL INJECTION CIRCUIT

Feeding pump (by request)

Features:

at 1500 rpm of the control eccentric, the minimum delivery is 60

l/h, while the automatic adjustment pressure is 4 ÷ 5 m column

of water.

Feeding pump rod projection

Details:

1 Feeding pump

2 Base

3 Rod

4 Oil pump drive shaft eccentric

The check shall be carried out with the eccentric 4 at rest.

The projection A of rod 3 is 0.8 ÷ 1.2 mm; it shall be adjusted

with the following supplied gaskets having a thickness of 0.50;

0.80 and 1.0 mm.

Rod length = 65.4 mm for 3LD 450, 3LD 450/S, 3LD 510, 3LD

510/S and 75.2 mm for 4LD 640, 4LD 705, 4LD 820.

Fuel lter inside the tank (standard)

Details:

1 Spring 6 Gasket

2 Disk 7 Cover

3 Ring 8 Ring

4 Cartridge 9 Bolt

5 Gasket

Cartridge features:

Filtering degree = 7 µm

Filtering surface = 390 cm

Standard feeding/injection circuit

Components:

1 Tank

2 Filter

3 Pump

4 Pipe

5 Injector

6 Injector waste pipe