FlowAct Diaphragm Linear Actuator FCD VLENIMFACTA4 10/16
34
Item #
Part
WW EU
201 5.9 Yoke
213 5.7 Stroke Scale
216 5.6 Stroke Indicator
240 5.5 Socket Head Screw (2x)
249 5.3 Actuator Coupling
256 5.11 Actuator Locknut
344 5.4 Lock Nut
345 5.1 Valve Coupling
1)
420 5.8 Hex Bolt
1)
Depending on the valve series (see page 7).
Table 22: Actuator parts
256
344
249
Actuator
240
216
345
213
420
201
Figure 19: Actuator parts
Actuator with NAMUR-yoke
Spring-to-close or -open
Disassembly instruction of the yoke
NOTICE
Limit disassembly only to necessary compo-
nents.
1. Fix the actuator on the assembly table, if this is not
already happened (see also pages 14 - 15).
2. The hex bolt (420) and stroke scale (213) can remain
on the yoke.
3. Unlock the lock nut (344) counter-clockwise.
4. Loosen the actuator coupling (249) and lock nut (344)
clockwise.
5. We recommend you not to remove the actuator from
the yoke. If this is indispensable mark the position,
loosen the actuator locknut (256) clockwise and lift off
the actuator.
NOTICE
Use a rounded chisel and a hammer.
6. Store all coupling and yoke-parts safely, lose no parts.
7. For disassemble the attachments see pages 26 - 33
and for actuator subassembly see pages 18 - 25.
Reassembly instruction of the yoke
8. Lubricate the threads of the actuator and stroke cou-
pling-parts with an appropriate lubricant.
9. If necessary mount the actuator onto the yoke (201)
put in line with the mark and tighten the actuator lock-
nut (256) counter-clockwise. The vent plug shall be at
a right angle to the yoke legs.
NOTICE
Use a rounded chisel and a hammer.
10. Screw in the lock nut (344) and the actuator coupling
(249) - screw-in depth once thread diameter - counter-
clockwise and fix it. Aligning the coupling parallel to
the yoke.
11. Further reassembling steps are only possible with the
valve (see page 39).
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