Injection Cleanliness Flashcards
Why is injection cleanliness important in diesel engine service?
Cleanliness is crucial because any foreign material can disrupt the operation of the injection pump or injectors
injection pump and injectors have precision _________ measured in _______.
tolerances
microns
What can happen if foreign material enters the injection system?
It can lead to improper operation of the injection pump or injectors, potentially causing engine performance issues.
What should you do when disconnecting injection system fittings?
Always cap and seal any disconnected injection system fittings to prevent dust and debris from entering the system.
What type of rags should be used when wiping off diesel engine components?
Use clean, lint-free shop rags to avoid introducing lint or debris that could affect the injection system’s operation.
Use shop rags to avoid introducing lint or debris that could affect the injection system’s operation. True or Flase?
false, clean lint free shop rags
How should dirt be removed from around fittings before disassembly?
Use compressed air and clean shop rags to remove dirt from around fittings before disassembly.
Why should you avoid spraying water on a hot diesel engine?
Spraying water on a hot diesel engine can lead to cracking or warping of the injection pump due to sudden temperature changes.
Precision tolerances refer to the extremely ______ clearances in components like ________ and ________, which are measured in________ (millionths of a meter).
tight
Injectors
pumps
Microns
