23
Replacement of packing:
•
Screw off cap nut (13) and remove handwheel (11).
•
Unscrew upper part of valve (10).
•
Remove screw cap (8) and stuffing box (7).
•
Remove spindle with cone (4) upwards.
•
Push out gland packing (6) with scraper rings (5) from top and clean packing
space.
Assembly:
•
Grease spindle thread insert from top and firmly tighten screws.
•
Place new greased packing with scraper rings (5).
•
Insert stuffing box (7).
•
Tighten screw cap (8).
•
Insert new sealing ring (9).
•
Grease thread of upper part of valve (10), screw in and tighten with
tightening torque
M
d
= 220 Nm
.
•
Place handwheel (11) and tighten cap nut (13).
Replacement of complete upper part:
•
For dismounting of component parts see “Replacement of packing”
•
Unscrew seat (3) with hexagon socket wrench SW11.
•
Grease seat thread, screw in and tighten with tightening torque
M
d
= 55 Nm
.
•
Replace complete upper part.
•
Place new spindle.
•
For assembly of component parts see above.
Auswechseln des Endschalters (17)
Switch off mains voltage for limit switch (17)!
•
Unfix screws (15) and remove switch housing cover (16).
•
Disconnect electrical connection from limit switch. Unfasten fixing terminals and unscrew
sealing ring of cable gland.
•
Unfix counter nut (19) and turn back adjusting screw (20).
Danger
Содержание BA14
Страница 27: ...27 15 Declaration of Conformity...
