SMC Networks AFG20 Series Operation Manual page 21

8-2. Manual drain discharge from the auto drain
Pressurize the inside of the water separator when discharging drain. Drain will not be discharged properly if
-
not pressurized.
To discharge the auto drain manually, follow the procedure below. After discharging the drain, rotate the cock
-
to the opposite direction by hand to close the drain valve. Use of a tool can damage the product.
AFG20-D: Auto drain
Drain cock
OPEN
(Discharging drain)
AFG30-D/ AFG40-D: Auto drain
Drain cock
20
OPEN
(Discharging drain)