MTU Detroit Diesel 183 Series Technical Publication page 307

Task Description
Fuel Injector Cleaning
When cleaning, use the ultrasonic equipment SONOREX SUPER RK 100 SH with holder ED 8 and basket K 3 S.
We recommend cleaning agent "P3 neutrapon 5032" from Henkel. This cleaning agent is approved in DBL 7821.00.
Notes
Use acid-proof gloves and protective goggles.
Pour approx. 2.0 l. cleaning fluid into the ultrasonic cleaning unit. Dilute the cleaning fluid in the volume ratio 1: 10
with water (0.18 l. cleaner + 1.8 l. water).
Heat cleaning bath to 50°C.
20080/1 E 98-12
Fuel Injector Disassembly
Ensure greatest workplace cleanliness during
disassembly and assembly of injectors!
If more than one injector are disassembled, ensure that
the individual components of each injector remain
together and are not interchanged with components
from other injectors.
Position injector (1) vertically in support.
Socket
Support
Remove thrust nut (1) from nozzle holder, remove
intermediate washer (4), thrust pin (5), compression
spring and washer (7)
When removing the injector, take care that the nozzle
needle does not drop out.
Hold the needle only at the thrust flanges to avoid
corrosion forming on the running and guide surfaces.
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