FlowAct Diaphragm Linear Actuator FCD VLENIMFACTA4 10/16
28
Actuator with Handwheel - heavy
Spring-to-close or -open
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. Loosen the hex nuts (333) counter-clockwise.
3. Unlock the handwheel.
4. Turn the handwheel counter-clockwise until the as-
sembly (329 - 393) is lifted off.
5. Remove the flange (389) and pipe section (387).
6. Unlock the hex nut (6.30) clockwise.
7. Turn the threaded pin (331) counter-clockwise to
loosen and remove stem-assembly (331 - 399) from
the actuator stem.
8. Turn the stud bolts (397) counter-clockwise.
9. Mark the position of the flange (390) to the actuator.
10. Loosen the lock nut (256) counter-clockwise.
NOTICE
Use a rounded chisel and a hammer.
11. Lift off the hex nut (372) and flange (390).
12. Store all handwheel-parts safely, lose no parts.
13. For disassemble the actuator subassembly see pages
24 - 25.
Reassembly instruction of the handwheel subas-
sembly
NOTICE
Always replace parts showing wear with
new parts.
14. Lubricate the threads of the actuator and handwheel-
parts with an appropriate lubricant.
15. Place the flange (390) onto the actuator and put in line
with the mark.
16. Mount and tighten the lock nut (256) clockwise.
NOTICE
Use a rounded chisel and a hammer.
17. Mount the hexagon nut (372) onto the actuator stem
so it is screwed all the way.
18. Mount and finger tighten the stud bolts (397) clock-
wise.
19. Place the stem-assembly (331 - 399) onto the actua-
tor stem and mount the threaded pin (331) clockwise
(screw-in depth once thread diameter). The position-
ing indicator should point forward.
20. Lock the hex nut (372) counter-clockwise.
21. Carefully thump and thread the pipe section (387) onto
the flange (390).
22. Place the flange (389) onto the pipe section (387).
23. Place the handwheel-assembly (329 - 393) onto the
flange (389), lift the stem-assembly (331 - 399) and
turn up the handwheel to screw one into another. The
grease nipple should point forward.
24. Mount the hex nuts (333) and finger-thigten.
25. Turn the handwheel clockwise as long as it reached the
upper end-position.
26. Connect the actuator with the air supply, perform three full
strokes and check the free movement of the threaded pin.
NOTICE
The threaded pin must be able to move
freely without hitting in the end posi-
tions.
27. Lock the handwheel with the locking pin (332).
