ap4720b0780j

Replace fuel filter

Type ap · topic 47.20 · version 0100 · 2016-02-12

Applies to: Cumbustion engine 374 with Vehicle 688.101, 688.102, 688.103, 688.174, 688.123, 688.118, 688.187, 688.133, 688.143, 688.176Cumbustion engine 374.950 with Vehicle 688.177Cumbustion engine 374.953 with Vehicle 688.156, 688.157

Where it sits

Function group 1 Engine › 47 Fuel system, powertrain energy supply › 47.20 Fuel pump, filter — Series 374 · Series 688 (models 101, 102, 103, 118, 123, 133, 143, 156, 157, 174, 176, 177, 187)

EinPAS 16 Fuel/power supply to engine › 16.10 Fuel supply › 16.10.41 Filter/water separator — Series 374 · Series 688 (models 101, 102, 103, 118, 123, 133, 143, 156, 157, 174, 176, 177, 187)

AP47.20-B-0780J

Replace fuel filter

12.02.16

Cumbustion engine 374 with Vehicle 688.101, 688.102, 688.103, 688.174, 688.123, 688.118, 688.187, 688.133, 688.143, 688.176

Cumbustion engine 374.950 with Vehicle 688.177

Cumbustion engine 374.953 with Vehicle 688.156, 688.157

Replace fuel filter
Replace fuel filter

B07.00-0028-01

B07.00-0029-01

Fastening on the cab

Fastening on the engine

1 Filter element housing

2 Fastening bolt

3 Manual pump

Remove and install

Danger!

Safety measures when handling fuel

Forbidden to set fire, sparks, open flame and smoking. Only store fuel in appropriate containers and respectively identified. When handling fuel, utilize appropriated protective clothes and equipment.

AS47.00-B-0001-01A

1

Remove the fastening bolts (2)

2

Remove the housings (1)

Wash the housings with diesel oil.

3

Remove the filter elements

When installing, replace the filter elements, the sealing rings located in the filter head and the copper rings of the fastening bolt (2).

If water is detected or if the filter elements are too dirty will be an indication of contaminated fuel, in this case the new filter elements will get clogged again in short time. Should this occur, an internal cleaning of the fuel reservoirs will be required.

4

Install in reverse order

5

Bleed the fuel system

On engines with vent-less filter, loosen the pump gallery outlet plug approximately 1/2 turn.

AP47.00-B-1720-01E

Danger!

Risk of accidents caused by the unintentional vehicle rolling when the engine is started. Risk of injury by crushing and burns at contact during the starting procedure or with the engine running

Assure the vehicle against unintentional rolling. Utilize closed and snug fit work clothing. Do not touch the heated or moving parts.

AS00.00-B-0005-01A

6

Start the engine and check the fuel system for tightness

Do not crank the engine continuously for more than 30 seconds. Should the engine not fire within this interval, wait for about 1 minute to crank it again.

7

Stop the engine

Referenced documents