Alfa Laval LKB - Page 18

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5 Maintenance
Maintain the valve and the regulator carefully. Read the instructions carefully and pay special attention to the warnings!
Always keep spare seal rings, rubber seals, bushes and actuator bearings in stock. Always use Alfa Laval genuine spare parts.
”Mushrooms” = fastening connections on the end cap.
S
S
t
t
e
e
p
p
6
6
!
E
E
n
n
d
d
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r
r
:
:
- N
N
e
e
v
v
e
e
r
r
remove the end cap by using compressed air.
- A
A
l
l
w
w
a
a
y
y
s
s
fit the end cap with the “mushrooms” turned outwards
and position it correctly before supplying compressed air to
the actuator.
C
C
a
a
u
u
t
t
i
i
o
o
n
n
!
!
End cap “Mushrooms”
TD 403-113
R
R
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c
c
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o
m
m
m
m
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:
:
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7
7
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)
.
.
Order service kits from the service kits list (see chapter 7 Parts list and service kits)
O
O
r
r
d
d
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r
r
i
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n
n
g
g
s
s
p
p
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a
r
r
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p
p
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r
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t
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Contact the Sales Department.
V
V
a
a
l
l
v
v
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s
s
e
e
a
a
l
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r
r
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o
o
r
r
b
b
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a
a
r
r
i
i
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n
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g
s
s
Preventive maintenance R
R
e
e
p
p
l
l
a
a
c
c
e
e
a
a
f
f
t
t
e
e
r
r
1
1
2
2
m
m
o
o
n
n
t
t
h
h
s
s
Replace when replacing
the valve seal rings
R
R
e
e
p
p
l
l
a
a
c
c
e
e
a
a
f
f
t
t
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r
r
5
5
y
y
e
e
a
a
r
r
s
s
Maintenance after
leakage (leakage
normally starts slowly)
R
R
e
e
p
p
l
l
a
a
c
c
e
e
b
b
y
y
t
t
h
h
e
e
e
e
n
n
d
d
o
o
f
f
t
t
h
h
e
e
d
d
a
a
y
y
Replace when replacing
the valve seal rings
R
R
e
e
p
p
l
l
a
a
c
c
e
e
w
w
h
h
e
e
n
n
p
p
o
o
s
s
s
s
i
i
b
b
l
l
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e
Planned maintenance - Regular inspection
for leakage and
smooth operation
- Keep a record of the
valve
- Use the statistics for
inspection planning
Replace when replacing
the valve seal rings
- Regular inspection
for leakage and
smooth operation
- Keep a record of the
actuator
- Use the statistics
for planning of
inspections
Replace when they
become worn
R
R
e
e
p
p
l
l
a
a
c
c
e
e
a
a
f
f
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a
a
k
k
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R
R
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p
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a
a
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i
r
r
l
l
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a
a
k
k
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Lubrication B
B
e
e
f
f
o
o
r
r
e
e
f
f
i
i
t
t
t
t
i
i
n
n
g
g
(use USDA-H1
approved)
- Unisilcon L641(*)
- Paraliq(*) GTE 703
- Molycote 111(D)
None B
B
e
e
f
f
o
o
r
r
e
e
f
f
i
i
t
t
t
t
i
i
n
n
g
g
- Molycote Long term 2
Plus (Δ)
- Molycote 1132(Δ) (for
aggressive environment)
W
W
h
h
e
e
n
n
r
r
e
e
p
p
l
l
a
a
c
c
i
i
n
n
g
g
a
a
c
c
t
t
u
u
a
a
t
t
o
o
r
r
r
r
u
u
b
b
b
b
e
e
r
r
s
s
e
e
a
a
l
l
s
s
- Molycote Long term
2Plus(Δ)
- Molycote 1132
(Δ) (for aggressive
environment)
18