Clearing of the nozzle outer by cotton swab and waste cloth every month
1, Clean the inside of the nozzle outer with a cotton swab dampened with alcohol
2, Clean the surface and the spring section of the nozzle outer with alcohol
Lubrication: Applying oil or grease to the nozzle outer after cleaning it every month
Tools to be used: cotton swab and waste cloth
Oil to be used: New Defrex No.1
Grease to be used: 6459 Grease N
i Apply oil to the circumference of the nozzle outer and the area between the nozzle outer and the outer spring holder with a cotton swab. After applying oil, blow the excessive oil with an air gun or similar device, and then wipe it off with waste cloth.

ii Use a tip of toothpick or similar tool to apply rice-gain sized of 6459 Grease N around the section specified in the figure below(gap between the nozzle outer and the outer spring holder so that the nozzle outer can slide well).

ii Move the nozzle outer up and down twenty to thirty times to spread grease over the nozzle outer.