Notes about Common-Rail components - AH07.16-P-0002-01TX

ENGINE 626, 642, 646.8/9, 651 

The following notes are important for avoiding errors.

Work on all common rail components always requires:

• Exceptional cleanliness
• Careful operation
• Thorough checks

System features 

• System pressure is reduced after 30_seconds.
• Fuel system has independent ventilation.

Operation 

• Do not bend high-pressure line or install it under stress.
• Replace seals and stretch bolts.
• Tightening torque to be strictly adhered to.

Tests 

• Perform engine test run → Check system for leakage.
• Check leak oil lines by hand for secure seating.
• Replace leaky components if all mentioned notes (tightening torque, new seals) were observed.

General: 

• Stop plugs are available as a replacement part for the diesel injection system. Repeated usage is not allowed.
• Use lint-free cleaning cloths.

Start of work: 

• Carefully clean working area in engine compartment, tools and workstation.
• Lay out lint-free cleaning cloths.

Progress of work: 

• Clean separation points immediately and thoroughly.
• Seal connecting points immediately with stop plugs.
• Remove stop plug immediately before installing part.
• Immediately close container for assembly auxiliary materials.

End of job: 

• Close off removed parts with plugs.
• Clean mounting location.