Document No.:KE-4011-03 Page: 13/27
17. Manual Operation of Actuators
All KITZ optional solenoid valves are provided with a manual switch. Choose any one of the
following solenoid valves for manual operation of the actuators being energized.
① KOGANEI Model A180
Keep pressing a switch with the tip of a screwdriver for manual operation. Removal of the
screwdriver returns the actuator to the original automated operation mode.
② CKD Model 4F310
Rotate a knob for manual operation.
③ KANEKO Model MK15G
Pull out a switch for manual operation.
④ ASCO SCXD551
Set the position of a manual operation thread, with a screwdriver, to Position [O] of the indicator
for manual operation. Set it to Position [1] to energize the actuator for automated operation
mode.
18. Inspection and Maintenance of Actuators and Actuated Valves
18.1 Both actuators and actuated valves are designed for lubrication-free operation, and maintenance or
replacement of parts and components is not usually needed, except consumable sealing materials.
18.2 If aging or highly frequent use has caused malfunction or failure of actuators or actuated valves,
use KITZ genuine parts for replacement.
18.3 If actuators are equipped with air filter-regulators, periodically clean the bore of drain cocks to
remove all internal residues.
18.4 Replace sealing materials such as O-rings and gaskets, if any leakage is detected through sealed
connections of actuators and accessories.
18.5 If a lubricator is used, the quality of the lubricant must be appropriately controlled. We recommend
use of Turbine Oil Class 1 ISO VG32, or the equivalent for refill.
18.6 Seal washers are used for cylinder’s stopper bolts. Leakage may occur from the seal washers after
long-term use. Then retighten nuts or replace seal washers.