Alfa Laval LKB - Actuator Assembly

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5 Maintenance
Read the instructions carefully.
NC = Normally closed. NO = Normally open. A/A = Air/air activated.
Lubricate the rubber seals before fitting them. Lubricate the bearings.
Clean the piston before assembly.
5.7 Assembly of actuator
S
S
t
t
e
e
p
p
1
1
Fit rotating cylinder (2) in air cylinder (1).
TD 403-269
S
S
t
t
e
e
p
p
2
2
Fit coupling (17) on rotating cylinder stem (2) and fit connex pin
(16).
F
F
i
i
t
t
t
t
h
h
e
e
c
c
o
o
n
n
n
n
e
e
x
x
p
p
i
i
n
n
c
c
o
o
r
r
r
r
e
e
c
c
t
t
l
l
y
y
!
!
TD 403-270
S
S
t
t
e
e
p
p
3
3
Fit the springs in rotating cylinder (2) and fit piston (3) carefully.
C
C
A
A
U
U
T
T
I
I
O
O
N
N
!
!
Fit the piston correctly in relation to the bearings.
N
N
O
O
T
T
E
E
!
!
The air/air actuator has no springs.
TD 403-274
F
F
i
i
t
t
c
c
o
o
r
r
r
r
e
e
c
c
t
t
l
l
y
y
!
!
S
S
t
t
e
e
p
p
4
4
A
A
/
/
A
A
a
a
c
c
t
t
u
u
a
a
t
t
o
o
r
r
:
:
1. Fit end cap (5) sufficiently into air cylinder (1) so that retaining
ring (6) can be fitted in the air cylinder.
2. Position the end cap correctly by hand.
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
!
!
TD 403-272
S
S
t
t
e
e
p
p
5
5
1. Fit end cap (5) in air cylinder (1) and press down sufficiently so
that retaining ring (6) can be fitted in the air cylinder.
2. Release the pressure on the end cap.
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
!
!
Use a press or special tool (item no. 9611416791).
U
U
s
s
e
e
a
a
p
p
r
r
e
e
s
s
s
s
!
!
N
N
C
C
/
/
N
N
O
O
a
a
c
c
t
t
u
u
a
a
t
t
o
o
r
r
TD 403-273
S
S
t
t
e
e
p
p
6
6
P
P
r
r
e
e
-
-
u
u
s
s
e
e
c
c
h
h
e
e
c
c
k
k
:
:
1. Supply compressed air to the actuator.
2. Activate the actuator several times to ensure that it operates smoothly.
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
!
!
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