Preliminary Work
- Danger of fire or explosion
→ Avoid contact with hot parts or sources of ignition.
→ Use suction to remove ignitable vapors.
→ Attach warning sign in a clearly visible position.
→ Contain leaked media using non-flammable absorbent material and put it in a container designed for this purpose for disposal in accordance with local requirements.
→ Secure collection containers/vessels to prevent them from tipping over.
- Danger of chemical burns
→ Wear personal protective gear.
→ Ensure that there is good ventilation.
→ Avoid contact with caustic fluid.
→ If you do come into contact, wash off immediately with plenty of warm water and contact a doctor if necessary.
Information
The battery voltage must not fall below 12.5 volts during the fuel pressure check.
- Connect a battery charger.
- Attach or mount a warning sign in a clearly visible position on the vehicle.
Example of a warning sign
- Relieve fuel pressure in the system.
- 3.1 Remove cover from fuse carrier F in the engine compartment at the front right.
- 3.2 Pull out the fuse -1- for the fuel pump.
- 3.3 Start the engine, wait until it cuts out and then re-insert the fuse -1- .
Fuel pump fuse
- Connect test tool.
- 4.1 The connection point -3- for the fuel low-pressure line must be prepared by placing a cloth -2- underneath it.
- 4.2 Release and disconnect plug-in coupling for the fuel low-pressure line. Collect emerging fuel.
- 4.3 Connect test tool -1- .
Checking fuel delivery pressure