ar4720a2000a

Remove/install fuel prefilter with water separator

Type ar · topic 47.20 · version 0100 · 2007-01-05

Applies to: ENGINE 611.983 in MODEL 8AC690.611 /612 /613 /630 /631 /640 /641 with CODE (K46) Fuel prefilter with water separator with CODE (ZL3) National version for Latin America ENGINE 611.981 /987 in MODEL 8AC903.612 /661 /662 /663 /671 /672, 904.612 /613 /662 /663 with CODE (K46) Fuel prefilter with water separator with CODE (ZL3) National version for Latin America

Where it sits

Function group 1 Engine › 47 Fuel system, powertrain energy supply › 47.20 Fuel pump, filter — Series 611 (models 981, 983, 987) · Series 690 (models 611, 612, 613, 630, 631, 640, 641) · Series 903 (models 612, 661, 662, 663, 671, 672) · Series 904 (models 612, 613, 662, 663)

EinPAS 16 Fuel/power supply to engine › 16.10 Fuel supply › 16.10.32 Feed unit/pump — Series 611 (models 981, 983, 987) · Series 690 (models 611, 612, 613, 630, 631, 640, 641) · Series 903 (models 612, 661, 662, 663, 671, 672) · Series 904 (models 612, 613, 662, 663)

EinPAS 16 Fuel/power supply to engine › 16.10 Fuel supply › 16.10.41 Filter/water separator — Series 611 (models 981, 983, 987) · Series 690 (models 611, 612, 613, 630, 631, 640, 641) · Series 903 (models 612, 661, 662, 663, 671, 672) · Series 904 (models 612, 613, 662, 663)

AR47.20-A-2000A

Remove/install fuel prefilter with water separator

12.12.06

ENGINE 611.983 in MODEL 8AC690.611 /612 /613 /630 /631 /640 /641
with CODE (K46) Fuel prefilter with water separator
with CODE (ZL3) National version for Latin America

ENGINE 611.981 /987 in MODEL 8AC903.612 /661 /662 /663 /671 /672, 904.612 /613 /662 /663
with CODE (K46) Fuel prefilter with water separator
with CODE (ZL3) National version for Latin America

Remove/install fuel prefilter with water separator

A47.20-0014-05

1 Filter head

2 Nut

3 Hand wheel (manual fuel pump)

4 Bleed screw

5 Fuel line (feed)

6 Connector (water level sensor)

7 Water separation vessel

8 Fuel line (outlet)

Remove/install

Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

Danger!

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel

No fire, sparks, open flames or smoking.
Only pour fuels into suitable and appropriately marked containers.

Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

1

Open front flap

Installation: Only close front flap after a leak test.

2

Place a suitable catching vessel under the fuel prefilter

3

Open water drain valve on water separation vessel (7) for fuel prefilter and drain off fuel-water mixture

Remove water-fuel mixture as per legal environmental regulations.

4

Disconnect connector (6) for water level sensor

5

Remove fuel line (5, 8) from filter head (1)

Installation: Screw in banjo bolts for fuel lines using new sealing rings.

6

Unscrew nuts (2) and remove fuel prefilter with water separation vessel (7)

*BA47.20-N-1008-02F

7

Install in the reverse order

Bleeding

8

Remove bleed screw (4)

9

Release hand wheel (3) for manual fuel pump

10

Fill fuel prefilter using the manual fuel pump until fuel pours out free of bubbles at the vent bore

11

Screw in bleed screw (4)

12

Continue to pump by hand until a strong resistance is noticeable

13

Secure hand wheel (3) for manual fuel pump

Checking

14

Start engine and allow to idle

15

Check connections for fuel lines (5, 7) for leaks

16

Turn off engine

Fuel filter

Number

Designation

Engine 611 in model 690.6, 903.6, 904.6 with code ZL3 and K46

BA47.20-N-1008-02F

Nut, fuel prefilter to bracket

Nm

25

Referenced documents