Product Handling Multec 3.5 Fuel Injector Application Manual
6-6 Delphi Energy and Chassis Systems
Revision: 11/05-1
Avoid re-use of
seal rings
• All Multec 3.5 injectors come from the factory with the seal rings
attached. The re-use of seal rings is not preferred when replacing an
injector. If an injector is to be re-used, and no new seal rings are
available, take care to inspect each seal ring for signs of damage.
Even minor defects in the seal ring can lead to leakage. Take extra
care in installing seal ring over flange of injector inlet. (See Figure
6-1)
Warning:
• Seal rings are not interchangeable between Multec 3, and Multec 2
and Multec 1 injectors. Consult service parts listing for proper
replacement.
Do not use the
injector as a
handle
• The Multec 3.5 Fuel Injector is not a handle. Do not use the injector to
lift attached assemblies.
Leak Testing
• Prior to fuel system leak checks, a new fuel injector may need to be
actuated to reseat the valve, which can unseat during shipping and
handling. (Actuate consists of one pulse <5 sec in duration).
Use only system
voltage for
testing
• Never apply any voltage greater than 15V for testing purposes (See
Section 8.0 for additional test precautions).
Caution:
• Do not operate injector full on for more than 10 seconds without fuel
and fuel pressure. (Or 30 seconds with fuel pressure).
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