17
Replacing the packing gland
Type 2000, 2002, 2012
Warning!
risk of injury from ejected parts!
When the spindle opening is exposed, the individual parts of the packing gland are pressed out at an unde
-
fined speed when the control air connection is pressurized.
▶
Before pressurizing with control air, safeguard the ambient area of the discharge opening (e.g. place
spindle on a firm base).
→
Pressurize the lower control air connection with 6...8 bar.
→
Grease the individual parts of the new packing gland with the supplied lubricant (silicone grease OKS
1110-3).
→
Place the individual parts on the spindle in the prescribed direction and sequence.
→
Push packing gland packing into the tube
8
.
→
Screw in spindle guide again before using the installation wrench. Observe tightening torques (“Table 2”
)!
Spindle diameter (mm)
tightening torques (nm)
10
6
14
15
Table 2:
Spindle guide tightening torques
→
Place swivel plate
3
on the spindle
2
.
→
Align drill holes of the swivel plate
3
and spindle
2
so that they are flush with one another.
→
Support swivel plate
3
on the cylindrical part with the help of a prism.
→
Insert pin
4
into the drill hole.
→
Calk pin bores on both sides of the swivel plate
3
with chisel or prick punch.
→
Clamp body
1
.
→
Replace graphite seal
5
.
→
only for va body
(VA = stainless steel)
:
Lubricate nipple thread
6
with Klüber paste UH1 96-402.
→
For control function A and I:
Pressurize lower control air connection with compressed air (5 bar).
→
Screw in nipple
6
with actuator in valve body
1
. Observe tightening torques.
Tightening torques for screwing the nipple into the valve body
dn (mm)
tightening torques (nm)
dn (mm)
tightening torques (nm)
15
45
40
65
20
50
50
70
25
60
65
70
32
65
Table 3:
Valve body tightening torques
english
Содержание 2012
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