Samson 3374 Series - Other Malfunctions or Errors; Troubleshooting (Table 9-1)

5-2 EB 8331-4 EN
Installation
5.3 Mounting the actuator
5.3.1 Construction with
integrated yoke (formB)
Attachment
− SeriesV2001Valves(DN15to80)
− Type3260(DN65to150)
− Type3214(DN65to100)
Î RefertoFig.5-3.
4. Remove protective covers and unscrew
nut (6) from the valve.
5. Actuator without fail-safe action:
Retract the actuator stem using the manu-
al override (see the 'Operation' section).
Actuator with fail-safe action:
Retract the actuator stem electrically in
the MAN mode (see the 'Operation' sec-
tion).
Actuating shaft
Fig.5-2: Actuating shaft for manual override
(actuator with integrated yoke)
6. Place the actuator with yoke onto the
valve and fasten using nut (6, width
acrossats36).
Tightening torque 100Nm
7. Whentheplugstem(5)tscloselyonto
the actuator stem (3), attach both stem
connector clamps (4) and fasten with
screws.
Types3374-10/-11/-21/-31
Connection with yoke (formB)
Attachment to Series V2001 Valves,
Type3260(DN65to150),
Type3214(DN65to100)
1
2.1
3
4
5
6
1 Actuator
2.1 Actuator yoke
3 Actuator stem
4 Stem connector
5 Plug stem
6 Nut
Fig.5-3: Attachment to Series V2001 Valves