Installation, Operation and Maintenance Manual
󲷇H-A071-E-3󲷈Compact Ball Valve Type27 Pneumatic Actuated Type AR 13-50mm (”-2”) 20
) Full opening adjustment procedure
Spanner wrench
Procedure
1) Manually rotate the full opening adjustment covers both on the right and left sides in the
counterclockwise direction to remove them from the cylinder covers.
2) Loosen the nuts both on the right and left sides with a wrench, and rotate the bolts both on the
right and left sides in the counterclockwise direction about 5 revolutions with the wrench.
3) After supplying air to the opening side of the actuator, rotate the bolts both on the right and left
sides in the clockwise direction about a half to a full revolution with the wrench to confirm that the
bolts can turn.
4) With air still supplied, rotate the bolts both on the right and left sides in the clockwise direction
with the wrench until the bolts will not turn any more.
- Do not rotate the bolts forcibly. (It may cause the actuator to be broken and cause
injuries.)
5) Release air from the actuator.
6) Refer to the following table "Adjustment angle
and the number of rotations of the bolt (rough
target)" to check the number of rotations of
the bolt appropriate for the angle you want to
adjust to.
7) Rotate the bolt on one side in the clockwise
direction with the wrench up to the number of
rotations checked with the following table,
and rotate the nut with the wrench to secure
the bolt. (Leave the bolt on the other side as it
is.)
8) Supply air to the opening side of the actuator.
9) Rotate the bolt on the other side in the clockwise direction with the wrench until it will not turn
any more, and rotate the nut with the wrench to secure the bolt.
- Do not rotate the bolts forcibly. (It may cause the actuator to be broken and cause
injuries.)
10) Release air from the actuator.
11) Manually rotate the full opening adjustment covers both on the right and left sides in the
clockwise direction to attach to the cylinder covers.
Adjustment angle and the number of rotations of the bolt
(rough target) Unit : Rotation
Adjustment
angle
Model
10° 15° 20° 25° 30° 35° 40° 45° Nut tightening torque
N-m {kgf-cm} [lb-inch]
AR040□□□□ 1 2+¼ 3+¼ 4+¼ 5+½ 6+½ 7+¾ 8+¾ 9+¾ 3.0 {30.6} [26.6]
AR050□□30 1 2 3+¼ 4+¼ 5+¼ 6+¼ 7+¼ 8+½ 9+½ 5.2 {53.0} [46.0]
AR063□□40 1+¼ 2+¼ 3+¼ 4+½ 5+½ 6+¾ 7+¾ 9 10 12.5 {127.5} [110.7]
Necessary items
War󲘛i󲘛g
War󲘛i󲘛g
A
djustment bolt
Nut
A
djustment
cove
r
Cylinder
cover
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