A difficult injector removal process can reveal information about previous operating conditions.
Possible Reasons for Difficult Removal
Examples include:
- carbon accumulation;
- corrosion;
- long service period;
- environmental exposure.
Removal Condition Is Evidence
The physical condition of the removed component can help explain the operating environment.
Record Findings
Useful records include:
- external deposits;
- corrosion;
- sealing condition;
- installation environment.
Conclusion
Injector removal is not only a repair step.
It can also provide diagnostic evidence.
