Alfa Laval LKH - Assembly of pump;flushed shaft seal

5 Maintenance
Read the instructions carefully. The items refer to the parts list and service kits section.
Lubricate the rubber seals before fitting t hem.
: Relates to the shaft seal.
5.5 Assembly of pump/flushed shaft seal
S
S
t
t
e
e
p
p
1
1
F
F
l
l
u
u
s
s
h
h
e
e
d
d
s
s
h
h
a
a
f
f
t
t
s
s
e
e
a
a
l
l
:
:
L
L
K
K
H
H
-
-
5
5
t
t
o
o
-
-
6
6
0
0
u
u
s
s
e
e
ø
ø
6
6
3
3
m
m
m
m
t
t
u
u
b
b
e
e
L
L
K
K
H
H
-
-
7
7
0
0
t
t
o
o
-
-
9
9
0
0
p
p
r
r
e
e
s
s
s
s
i
i
n
n
l
l
i
i
p
p
s
s
e
e
a
a
l
l
b
b
y
y
h
h
a
a
n
n
d
d
1. Fit lip seal (43) in seal housing (40).
2. Lubricate O-ring (44) and slide onto the seal housing (40).
3. Fit the seal housing on back plate (25) and tighten screws (41).
N
N
o
o
t
t
e
e
If change from double mechanical shaft seal to flushed shaft seal
the shaft needs to be adjusted. see Section 5.7 Adjustment of
shaft (LKH-5) and Section 5.8 Adjustment of shaft (LKH-10 to -90).
Use ø63 mm tube!
3000-0248
S
S
t
t
e
e
p
p
2
2
1. Lubricate O-ring (45) and fit it in drive ring (10).
2. Fit spring (13) and rotating seal ring (14) on the drive ring.
C
C
A
A
U
U
T
T
I
I
O
O
N
N
Ensure that the driver on the drive ring enters the notch in the
rotating seal ring.
3000-0240
S
S
t
t
e
e
p
p
3
3
Fit complete shaft seal on stub shaft (7) so that Connex pin (8) on
the stub shaft enters the notch in drive ring (10).
3000-0241
S
S
t
t
e
e
p
p
4
4
1. Carefully guide back plate (25) onto adaptor (16).
2. Fit washers (21) and nuts (20).
3000-0243
35
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