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Fig. 13: Checking the radial alignment with a
comparator
Fig. 14: Checking the radial alignment with a
ruler
60
Installation and electrical connection
Coupling size
DA [mm]
200
200
("S" for couplings with a spacer and "S2" for couplings with a spacer)
Table 5: Permissible gaps S and S2
Coupling size
ΔS
and ΔKr
perm.
1500 rpm
0.20
68
0.20
80
0.20
95
0.20
110
0.25
125
0.25
140
0.30
160
0.30
180
0.30
200
Permissible shaft displacement ΔS
Table 6: Maximum permissible shaft displacement ΔS
Checking the radial alignment
▪ Firmly clamp a dial gauge to one of the couplings or to the shaft. The piston of the dial
gauge must lie against the crown of the other half-coupling.
▪ Set the dial gauge to zero.
▪ Turn the coupling and write down the measuring result after every quarter turn.
▪ Alternatively, the radial coupling alignment can also be checked with a ruler.
NOTICE
The radial deviation of the two coupling halves must not exceed the maximum val-
ues found in table "Maximum permissible shaft displacement ΔS
This requirement applies to every operating status – including operating temper-
ature and inlet pressure.
Checking the axial alignment
NOTICE
The axial deviation of the two coupling halves must not exceed the maximum values
found in table "Permissible gaps S and S2". This requirement applies to every oper-
ating status – including operating temperature and inlet pressure.
S [mm]
2 ... 6
[mm]; speed dependent
perm.
1800 rpm
3000 rpm
0.20
0.15
0.20
0.15
0.20
0.15
0.20
0.15
0.20
0.15
0.25
0.20
0.25
0.20
0.25
0.20
0.30
0.20
and ΔKr
in mm (during operation, rounded)
perm.
perm.
and ΔKr
perm.
S2 [mm]
6
3600 rpm
0.15
0.15
0.15
0.15
0.15
0.15
0.20
0.20
0.20
perm.
and ΔKr
".
perm.
perm.
WILO SE 2019-04
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