Ytc YT-2700 Series, Руководство пользователя

Страница: 11 / 20

11
4) Connect YT-2700L feedback lever to the actuator clamp. The gap on the YT-2700L
feedback lever is 6.5mm. The connection bar thickness should be less than 6.3mm. <Figure
3>
5) Connect air filter regulator to the actuator temporarily. Set supply pressure of the regulator
in order to position the actuator clamp at 50% of valve stroke. <Figure 4>
6)
Insert connection bar into the YT-2700L feedback lever. The connection bar should be
inserted at the 50% point on the feedback lever, which would help to reduce hysteresis.
7)
If connection bar does not point at 50% point, then adjust bracket or feedback link bar
position. Failure to position at 50% would lower
the linearity of the poistioner. <figure5>
8) Check valve stroke. The stroke numbers are indicated on the feedback lever. Position
connection bar at the number on the feedback lever according to the valve stroke. <Figure
6> To adjust, move the bracket or the connection bar.