Alfa Laval LKB User Manual

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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 the disc stem before fitting the bushes.
5.3 Assembly of valve - LKB/LKB-2/LKB-LP
S
S
t
t
e
e
p
p
1
1
1. Lubricate the pin
holes in seal ring (5), (important for Silicone
and Viton).
2. Fit valve disc (2
) in the seal ring (5).
N
N
O
O
T
T
E
E
!
!
For the valve sizes 25-38 mm and DN25-40, it is recommended
to fit the valve
disc by using a special service tool (item no.
9611981090).
TD 403-265
S
S
t
t
e
e
p
p
2
2
1. Fit bushes (3,4) on the disc stem.
2. Fit seal ring (5) together with valve disc (2) between the two
valve body halves (1).
C
C
A
A
U
U
T
T
I
I
O
O
N
N
!
!
Rotate the valve disc so that the valve is open before tightening
screws and nuts (6).
TD 403-266
S
S
t
t
e
e
p
p
3
3
V
V
a
a
l
l
v
v
e
e
w
w
i
i
t
t
h
h
h
h
a
a
n
n
d
d
l
l
e
e
:
:
1. Fit screws and nuts (6) and torque tighten in accordance with
the requirements (see Step 5).
2. Fit the complete handle on the disc connection and tighten
the screw on the handle.
N
N
O
O
T
T
E
E
!
!
This also applies for the Lockable Multiposition Handle.
To avoid seizing the bolts have to be lubricated with Molykote
TP-42 Paste or similar Anti-seize lubricant.
TD 403-267
S
S
t
t
e
e
p
p
4
4
V
V
a
a
l
l
v
v
e
e
w
w
i
i
t
t
h
h
a
a
c
c
t
t
u
u
a
a
t
t
o
o
r
r
:
:
1. Fit the actuator with the bracket so that the disc
connection enters the coupling (see Chapter 3.4 Fitting
actuator/bracket/handle on the valve (optional extras)).
2. Fit screws and nuts (6) and torque tighten in accordance with
the requirements so that the bracket is fixed to the valve (see
Step 5).
TD 403-268
F
F
i
i
t
t
c
c
o
o
r
r
r
r
e
e
c
c
t
t
l
l
y
y
!
!
See chapter 3.4 Fitting
actuator/bracket/handle on
the valve (optional extras)
20

Alfa Laval LKB Specifications

General

Brand	Alfa Laval
Model	LKB
Category	Control Unit
Language	English