Alfa Laval LKB - Actuator Dismantling

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5 Maintenance
Read the instructions carefully. The items refer to the parts list and service kits section.
Handle scrap correctly.
NC = Normally closed. NO = Normally open. A/A = Air/air activated.
5.6 Dismantling of actuator
S
S
t
t
e
e
p
p
1
1
1. Press end cap (5) i
nto air cylinder (1).
2. Remove retaining
ring (6).
Use a press or special tool (item no. 9611416791).
TD 403-099
S
S
t
t
e
e
p
p
2
2
N
N
C
C
/
/
N
N
O
O
a
a
c
c
t
t
u
u
a
a
t
t
o
o
r
r
:
:
Release the pressure on end cap (5) carefully and remove 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
!
!
TD 403-100
S
S
t
t
e
e
p
p
3
3
A
A
/
/
A
A
a
a
c
c
t
t
u
u
a
a
t
t
o
o
r
r
:
:
Remove end cap (5) 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 403-101
S
S
t
t
e
e
p
p
4
4
Remove piston (3) and the springs.
N
N
O
O
T
T
E
E
!
!
- The actuator size ø133 mm has a caged spring assembly.
- The air/air actuator has no springs.
TD 403-271
S
S
t
t
e
e
p
p
5
5
Remove co
nnex pin (16) and coupling (17) from rotating cylinder
stem (2).
TD 403-119
S
S
t
t
e
e
p
p
6
6
Remove rotating cylinder (2) and the remaining internal parts from
air cylinder (1).
TD 403-120
24