FlowAct Diaphragm Linear Actuator FCD VLENIMFACTA4 10/16
50
Actuator with Handwheel - central
Spring-to-close
Disassembly instruction of the handwheel subas-
sembly
NOTICE
Limit disassembly only to necessary compo-
nents.
1. Fix the actuator on the assembly table, if this is not
already happened.
2. Disassemble the coupling parts (see page 54).
3. Loosen the hex socket set screw (370) counter-clock-
wise.
NOTICE
The handwheel must be in the neu-
tral position.
4. Remove the handwheel (372).
5. Loosen the slotted set screws (405, 3x) counter-clock-
wise and push the cover tube (352) down.
6. Loosen the lock nut (256) clockwise and lift off the
actuator.
NOTICE
Use a rounded chisel and a hammer.
7. Unlock the hex nut (253) counter-clockwise.
8. Unscrew the stem extension unit (221, 350, 405)
clockwise.
9. We recommend you not to remove the stem end stop
from the stem extension. If this is indispensable loos-
en the slotted set screw (405) counter-clockwise and
unscrew the stem end stop (350) counter-clockwise.
10. Store all handwheel-parts safely, lose no parts.
11. For disassemble the actuator subassembly see pages
42 - 49.
Reassembly instruction of the handwheel subas-
sembly
NOTICE
Always replace parts showing wear with
new parts.
12. Lubricate the threads of the actuator and handwheel-
parts with an appropriate lubricant.
13. If the stem end stop (350) has been removed, reinstall
it first. Mount it clockwise onto the stem extension
(221) and secure it with the slotted set screw (405).
14. Mount the lock nut (353) counter-clockwise onto the
actuator stem.
15. Mount the stem extension unit (221, 350, 405) coun-
ter-clockwise onto the actuator stem in such a way that
the correct thread screwing depths are given, lock the
lock nut (353) clockwise.
16. Arrange the lock nut (256) onto the cover tube (352).
17. Carefully place the actuator assembly onto the hand-
wheel.
NOTICE
The handwheel must be in the neu-
tral position.
18. Mount and tighten the lock nut (256) counter-clock-
wise.
NOTICE
Use a rounded chisel and a hammer.
19. Push the cover tube(352) upwards until it stops and
lock the slotted set screws (405, 3x) clockwise.
20. Place the handwheel (372) onto the transmission shaft
of the bevel gear and secure it with the hex socket set
screw (370) clockwise.
21. Assemble the coupling parts (see page 54).
