SMC Networks HRR018-A-10 Series Operation Manual page 135

5.
Loosen air releasing plug.Facility water will come out from facility water inlet port.
Facility water outlet port
Facility water inlet port
6.
After draining the facility water, securely tighten the air release plug.
7.
Install the cover panel by reverse procedure. (Recommended tightening torque：1.5N・m)
HRR Series
Chapter 8 Control, Inspection, Exchange and Cleaning
Fig. 8-4 Discharge of the facility water
HRX-OM-W002
Air release plug
8.3 Stop for a Long Time
8-13