Servomotor of gas butterfly valve VKF-10
d074074 ver. 1
Pos.
Description
Pos.
Description
1
Servomotor
5
Butterfly valve VKF-10
2
Servomotor fixing screw
6
Aligning surface of servomotor’s shaft
3
Shaft coupling
7
Flange gasket
4
Shaft coupling aligning plate and
clamping screw
8
Cable fitting
1. Run the servomotor to 90° position so that the clamping screw on the servomotor
shaft turns horizontally.
2. Turn off the burner power supply.
3. Disconnect the cables.
4. Loosen the lock and alignment plate of the motor coupling (motor coupling stays on
butterfly valve’s shaft).
5. Unscrew the servomotor fixing screws and remove the servomotor.
6. Connect the cables to the still loosen servomotor as instructed and turn on the
burner power supply.
7. Run servomotor to the 90° position with the burner controller.
8. Turn off the burner power supply.
9. Fasten the new servomotor to the motor coupling.
10. First, make sure that the locking plate of the motor coupling hits the plane of the
motor shaft.
11. Tighten the motor coupling locking screw.
12. Tighten the servomotor fixing screws.
13. Connect the power supply to the burner.
14. Run the burner to the original position.
92 (102)
M4263 2206EN