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4-5. Tips for Injector assembly (Nozzle area)
Cleaning procedure of nozzle
1. Remove the spindle from the nozzle holder
Most scratched marks on spindle of nozzle are due to wearing.
The damaged spindle causes friction increase and produce low or over injection
Normally , you must replace the damaged nozzle assembly or change to new injector.
But it is possible to fix the injector without replacing the parts by using the above method.
Usually(100%) scratch marks match with the fuel supply hole, therefore if you change the direction of
scratched area, you may save the parts without technical problem.
By using the CIT- 3000 or CRT-3500UP, you can get the right results.
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2. Change the direction of spindle
Free movements are
required
Scratched mark
Fuel supply hole
Change the direction
3. While cleaning the injector in cleaning fluid it
must be checked for free movement of the spindle
in nozzle holder. It must be gently moved until
there is no resistance to movement.
Scratched mark
4. When you Inserts the spindle to the nozzle
holder, change the direction of scratched
mark to the opposite direction of supply hole
Try to in and out the spindle
for the cleaning
Spindle with C2 coating
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