Replace fuel line on cylinder head

SM07.16-W-0001A

Replace fuel line on cylinder head

7.8.13

ENGINE

934.9, 936.9 in MODEL 967

Operation no. of the operation texts or standard texts and flat rates

Category

Op. no.

Operation text

Time

Acc. no.

Code

N

028411

Replace fuel line on cylinder head

0,8 h

07 925 53

KRL-MD

1

Banjo bolt

5

Bolt

2

Check valve

6

Flange

3

Electrical wiring harness

7

Cylinder head

4

Fuel line

8

O-ring

 Danger !

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

 Danger !

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

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

AS00.00-Z-0005-01A

 Danger !

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut.

AS60.80-Z-0001-01A



Notes on avoiding damage through contamination and foreign objects

AH00.00-N-5000-01H



Notes on tilting the cab

AH60.80-N-0003-01A



Remove

1

Open cap on fuel tank and close again

 This enables any overpressure to be relieved.

2

Tilt cab

3

Remove soundproofing

4

Clean engine in fuel line (4) area

5

Remove resonator



ENGINE 934.9

AR13.10-W-5840NA



ENGINE 936.9

AR13.10-W-5840NB

6

Expose electrical wiring harness (3) in fuel line (4) area

7

Remove banjo bolt (1) from check valve (2)

 Counterhold check valve (2). Allow escaping fuel to drain into a suitable container.

8

Remove bolt (5) from flange (6) of fuel line (4)

9

Pull fuel line (4) out of cylinder head (7) and remove to the rear

 With regard to return shipment or scrapping of removed parts, please observe the information in your warranty system.



Clean

10

Clean contact surface of flange (6) on cylinder head (7)



Install

11

Position new fuel line (4) with new O-ring (8) and new bolt (5) onto cylinder head (7)

 Do not tighten the bolt (5) yet.

12

Tighten banjo bolt (1) with new sealing rings on check valve (2)

 Counterhold check valve (2).

 Banjo bolt for rail return line to check valve

*BA47.25-N-1001-01O

13

Tighten bolt (5) on flange (6) of fuel line (4)

 Bolt, return line (leakage line) to cylinder head

*BA47.25-N-1003-01O

14

Fasten electrical wiring harness (3) using new cable tie to charge air housing

15

Install resonator



ENGINE 934.9

AR13.10-W-5840NA



ENGINE 936.9

AR13.10-W-5840NB

16

Start engine and perform an engine test run

 Allow engine to run at a higher rotational speed.

17

Switch off engine and check fuel line (4) area for leaktightness

 Visual inspection.

18

Install soundproofing

19

Lower cab

 Fuel lines/hoses

Number

Designation

ENGINE 934.9

ENGINE 936.9

BA47.25-N-1001-01O

Banjo bolt for rail return line to check valve

Nm

25

25

 Fuel lines/hoses

Number

Designation

ENGINE 934.9

ENGINE 936.9

BA47.25-N-1003-01O

Bolt, return line (leakage line) to cylinder head

Nm

25

25

Parts ordering note

Part no.

Designation

Quantity

A 934 090 07 76

Fuel line, with O-ring and bolt (for engine 934.9)

1

A 936 090 34 76

Fuel line, with O-ring and bolt (for engine 936.9)

1

N 0000 0000 1068

Sealing ring

2

A 002 997 24 90

Cable tie (narrow)

1