Quarter -Turn Electric Valve Actuator【OM Series】 Sun Yeh Ele. Ind. Co., Ltd. | 2021.11
4.4.2 Adjustment Steps
a. Turn power off.
b. Loosen the locknut and unwind both
Open and Close Mechanical end stop
screws for 7 turns.
c. When choosing modulating units or VR, loosen the M5 set screw on the sector
gear or round gear.
d. Adjust the fully-open position
OM-A and BM-2 are not available for the manual device setting.
1. Use the manual override to turn the valve to fully-open position.
2. Remove the cover.
OM-1, OM-A and OM-AM：Loosen the M5 set screw of cam TC1
with a 2.5 mm Allen Key.
OM-2 to OM-13, OM-F, OM-G and OM-H：Loosen the M3 set screw
of cam TC1 with a 2.5 mm Allen Key.
OM-J：Loosen the M4 set screw of cam TC1 with a 2 mm Allen Key.
3. Adjust the travel cam based on the corresponding actuator model below:
OM-A and OM-AM
Rotate the cam TC1 clockwise to contact the switch arm.
Slowly rotate the cam TC1 clockwise until a light click is heard.
OM-1
Rotate the cam TC1 counter-clockwise to contact the switch arm.
Slowly rotate the cam TC1 counter-clockwise until a light click is
heard.
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【OM-1, OM-A, OM-AM and OM-J】
【OM-2 to OM-13, OM-F, OM-G and OM-H】
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