Check fuel pressure

AR07.00-P-1502SR

Check fuel pressure

07.06.2017

Engine

281 in model 453

1

Fuel line

3

Adapter

5

Pressure hose

2

Fuel distributor

4

Pressure gage

 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

 Warning

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



Check

1

Remove subwoofer

Engine 281 in model 453
with code 556 (Radio 56A MM2012 with DAB and PREMIUM SOUND)
Engine 281 in model 453
with code 557 (RADIO 57A MM2012 without DAB)
Engine 281 in model 453
with code 561 (Radio 61C - PREMIUM without DAB with PREMIUM SOUND)
Engine 281 in model 453
with code 562 (Radio 62C - R0 with DAB and PREMIUM SOUND)

2

Remove covering over engine

3

Clean the area at the connection between fuel line (1) and fuel distributor (2) and clad with clean cloths

4

Connect the pressure gage (4) with the pressure hose (5) and the adapter (3)

 Pressure gauge

*103589002101

 Pressure hose

*103589002104

 Adapter

*607589029100

5

Disconnect the fuel line (1) from the fuel distributor (2)

6

Install the adapter (3) at he fuel line (1) and install the fuel distributor (2)


Ensure a sufficient distance between the fuel line (1) and the belt drive.
Otherwise the fuel line (1) may be damaged.

 Pressure gauge

*103589002101

 Pressure hose

*103589002104

 Adapter

*607589029100

7

Remove cloths

8

Start engine and allow to idle

9

Check fuel pressure

 It may take a while until the fuel pressure has reached the required value.
From then on the fuel pressure must apply permanently.

Fuel pressure

*BE07.61-P-1001-01SR

In case of a complaint



Turn off engine, identify and eliminate the fault.

10

Turn off engine

11

Remove the pressure gage (4), pressure hose (5), and the adapter (3)

 Use cloths to collect escaping fuel.

12

Connect the fuel line (1) to the fuel distributor (2)

13

Start engine and allow to idle

14

Check the leaktightness of the connection between the fuel line (1) and the fuel distributor (2)

15

Turn off engine

16

Install covering over engine

17

Install subwoofer

Engine 281 in model 453
with code 556 (Radio 56A MM2012 with DAB and PREMIUM SOUND)
Engine 281 in model 453
with code 557 (RADIO 57A MM2012 without DAB)
Engine 281 in model 453
with code 561 (Radio 61C - PREMIUM without DAB with PREMIUM SOUND)
Engine 281 in model 453
with code 562 (Radio 62C - R0 with DAB and PREMIUM SOUND)

Fuel pressure

Number

Designation

Engine 281 in model 453

BE07.61-P-1001-01SR

Fuel pressure

bar

3,5