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7 Servicing/Maintenance
53 of 126
Amacan S
1589.837/01-EN
If the sensors are defective, use the back-up sensors provided at the same place in the
stator winding.
Leakage sensors in the
motor
Table 12:
Resistance measurement of the leakage sensor in the motor
Measurement between terminals ...
Resistance
[kΩ]
9 and earth conductor (PE)
> 60
8 and 9
4)
> 60
Lower resistance values suggest water ingress into the motor. In this case the motor
section must be opened and overhauled.
Float switch
(mechanical seal leakage)
Table 13:
Resistance measurement of the float switch
Measurement between terminals ...
Resistance
[Ω]
3 and 4
< 1
If the readings suggest an open switch, check for mechanical seal leakage.
Bearing temperature sensor Table 14:
Resistance measurement of the bearing temperature sensor
Measurement between terminals ...
Resistance
[Ω]
15 and 16
100 to 120
16 and 17
5)
100 to 120
Vibration sensor Table 15:
Current measurement at vibration sensor
Measurement between terminals ...
Current value
41 and 42
6)
Constant 4 mA during standstill
Functional test
Connect the vibration sensor. Measure the current in the measuring circuit with a
suitable ammeter. (
7.3 Removing the pump set
7.3.1 Removing the pump set
DANGER
Insufficient preparation of work on the pump (set)
Risk of injury!
▷
Properly shut down the pump set.
▷
Close the shut-off elements in the suction line and discharge line.
▷
Drain the pump and release the pump pressure.
▷
Shut off any auxiliary feed lines.
▷
Allow the pump set to cool down to ambient temperature.
4
Only for pump sets with vibration sensor
5
Optional
6
Optional
Summary of Contents for Amacan S 1000-600
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