Cleaning of the nozzle(Tool to be used: Ultrasonic cleaner)
1, Dampen the entire nozzle whose number is from 500 to 504, 509 in alcohol, and clean it with an ultrasonic cleaner or similar tool for five minutes.
2, To prevent the urethane section of the nozzle tip from being peeled off by cleaning it with alcohol, use the jig to turn the nozzle whose number is 505 to 508C upside down. Then, clean it with ultrasonic cleaner so that its tip cannot be dampened in alcohol.

3, Dampen soft cloth with alcohol and use it to clean the urethane part and any part of the nozzle diffuser on which stains remain stuck to even after you use a supersonic cleaning bath to clean it.
4, After cleaning the nozzle, follow the description of " applying oil to a nozzle after cleaning it" and lubricate the nozzle to prevent its inside from being rusted.

Caution:
1, Never use solution(such as acetone) other than alcohol. The nozzle diffuser may be discolored. In addition, solution may catch fire. Treat it with enough care. While you are cleaning the nozzle, be sure to wear a protective mask for organice odor. IPA contains a substance harmful to your body.
2, Never disassemble the nozzle.

* Cleaning a load control nozzle(optional)
1, Remove the nozzle attachment from the 6** type nozzle main unit.
2, Clean the 6** type nozzle main unit as described above.
3, Clean the nozzle attachment with a dry waste cloth or with an air gun.
4, Use the push-in type jig to attach the nozzle attachment.

Caution: Never use any solution(such as alcohol) to clean the nozzle attachment because it may deform the nozzle attachment.