Alfa Laval LKB - Page 21

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5 Maintenance
Read the instructions carefully. The items refer to the parts list and service kits section.
LKB: for ISO tubes. LKB-2: for DIN tubes.
Lubricate the seal ring before fitting it.
Lubricate t he disc stem before fitting the bushes.
S
S
t
t
e
e
p
p
5
5
P
P
r
r
e
e
-
-
u
u
s
s
e
e
c
c
h
h
e
e
c
c
k
k
:
:
Check that the valve disc moves smoothly against the seal ring.
P
P
a
a
y
y
s
s
p
p
e
e
c
c
i
i
a
a
l
l
a
a
t
t
t
t
e
e
n
n
t
t
i
i
o
o
n
n
t
t
o
o
t
t
h
h
e
e
w
w
a
a
r
r
n
n
i
i
n
n
g
g
s
s
!
!
Tools/torque values for assembly of the valve body halves:
2
2
5
5
m
m
m
m
3
3
8
8
m
m
m
m
5
5
1
1
m
m
m
m
6
6
3
3
.
.
5
5
m
m
m
m
7
7
6
6
m
m
m
m
1
1
0
0
1
1
.
.
6
6
m
m
m
m
V
V
a
a
l
l
v
v
e
e
s
s
i
i
z
z
e
e
D
D
N
N
2
2
5
5
D
D
N
N
3
3
2
2
D
D
N
N
4
4
0
0
D
D
N
N
5
5
0
0
D
D
N
N
6
6
5
5
D
D
N
N
8
8
0
0
D
D
N
N
1
1
0
0
0
0
D
D
N
N
1
1
2
2
5
5
D
D
N
N
1
1
5
5
0
0
Allen Key
5 mm
(0.2”)
5 mm
(0.2”)
5 mm
(0.2”)
6 mm
(0.24”)
6 mm
(0.24”)
6 mm
(0.24”)
8 mm
(0.3”)
8 mm
(0.3”)
8 mm
(0.3”)
Recomm.
Torqu e
18 Nm
(13 lbf-ft)
18 Nm
(13 lbf-ft)
18 Nm
(13 lbf-ft)
20 Nm
(15 lbf-ft)
20 Nm
(15 lbf-ft)
20 Nm
(15 lbf-ft)
38 Nm
(28 lbf-ft)
38 Nm
(28 lbf-ft)
38 Nm
(28 lbf-ft)
21