Document No.:KE-4011-03 Page: 12/27
When Type FBS spring return actuator is used outside or wet condition, water may enter into a
spring unit in some actuator orientation. Rotate a part avoiding entering water (“Mizukiller”)
clockwise and set it adequate position that open side tip of Mizukiller shall be upword.
(1) Actuator supply port faces upward.
(2) Actuator supply port faces ground.
(3) Actuator supply port feces side and spring case is upward.
(4) Actuator supply port faces side and spring case is downward.
Mizukiller
Open side tip shall be upward.
Open side tip shall be upward.
Open side tip shall be upward.
Open side tip shall be upward.
Nomal position of Mizukiller
Open side tip