Disassembly of Electronic Unit Injector
On a Series 60 engine EUI, only the injector solenoid and seal rings are serviceable. The injector must not be disassembled. ?

Inspection of the Electronic Unit Injector
To clean and inspect the injector, complete the following steps: ?

Clean the exterior of the injector with clean solvent and dry it with compressed air.Note: Do not test new or reliabilt ® remanufactured electronic unit injectors prior to installation in the engine. The Kent-Moore ® POP stand should only be used as a diagnostic tool on fuel injectors that have been removed from an engine.
Test the EUI using J 34760 . Follow procedures supplied with this tool. Reuse or replace injector or injector and solenoid as indicated by testing.
Inspect the O-rings for damage or foreign material. Replace O-rings.
Inspect the fuel injector tubes at the injector seat. If required, replace the fuel injector tubes.