Emerson Bettis RTS Manual de servicio - Página 16

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Emerson Bettis RTS Manual de servicio
Section 4: Manual Actuator Operation Under Maintenance
October 2021
4.1.3

Activate Manual Operation

To activate manual mode:
•
•
For easier clutch engagement, move the handwheel easily back and forth. Through the engagement,
the actuator is automatically electrically disabled and the display shows "manual operation".
4.1.4

Deactivate Manual Operation

To exit the manual mode and enable the actuator again for the automatic mode:
•
•
•
4.1.5

Required Force on the Handwheel

Table 3 shows the maximum force applied to the handwheel for the different actuator sizes.
Table 3.
The force on the handwheel was calculated for one-handed operation. With two-hand operation, the
value per hand is halved. The maximum force may be exceeded by 20% in manual mode.
The direction of rotation and the maximal handwheel torque are written on the handwheel label, as
shown on Figure 6.
Figure 6
13
The padlock has to be removed.
The coupling rod has to be pushed all the way into the actuator.
The actuator has to be driven to the fail-safe position by the handwheel.
The coupling rod be pulled up to the stop of the actuator.
The coupling rod again secured with the padlock.
Max. handwheel torque (Nm)
Type
In fail-safe direction
FQ03
FQ06
FQ10
FQ20
FQ30
FQ50
Handwheel label
Counter
fail-safe direction
4
8.5
4
14.5
8
32
8
28.5
8
31
8
32
Manual Actuator Operation Under Maintenance
Service Manual
VCIOM-16909-EN Rev. 0
Handwheel diameter
(mm)
140
140
200
200
200
200