SMC Networks AW20 Series Operational Manual page 25

9-3. Discharge from the product with drain cock
Pressurize the inside of the filter regulator when discharging drain. Drain will not be discharged properly if not
-
pressurized.
- Drain discharge mechanism is different depending on the bowl assembly. Check the bowl assembly and
discharge the drain following the method below.
Rotation type: After discharging the drain, tighten the drain cock to the opposite direction by hand until the
seal inside seals correctly. Use of a tool can damage the product.
AW20-D: Drain cock (rotation type)
(Polycarbonate bowl/ Nylon bowl)
Drain cock
AW20-D: Drain cock (push type)
(Metal bowl)
PUSH
(Discharging drain)
(Discharging drain)
OPEN
(Discharging drain)
Drain cock
Drain cock
AW30-D/ AW40-D/ AW60-D: Drain cock/ With barb fitting (push type)
(Polucarbonate bowl/ Nylon bowl)
PUSH
Drain cock
AW30-D/ AW40-D/ AW60-D: Drain cock (rotation type)
（Metal bowl/ Metal bowl with level gauge)
OPEN
(Discharging drain)
-24-
Drain cock with
barb fitting