9
1BW0-A1-C-LD-426
Disconnect the main circuit of motor and measure the insulation resistance
of stator coil to ground by using a 500VDC high resistance meter to connect
the main power supply terminal of the motor and the grounding terminal; the
insulation resistance to ground should be above 5M
Ω
as the standard.
Are the grounding terminals of each part totally connected?
(2)
Lubrication
The motor is mounted non-oil-charging type bearings that needs no oil
charging.
(3)
Others
In the case of direct coupling or belt pulley connection, it is necessary to check
if the bolts and nuts at each part are locked properly.
2.
Operation
(1)
To operate the motor for the first time, please test it at low-speed without load and
check the following items after startup:
Is rotating direction correct?
Is there any unusual noise at bearing assembly?
Is there any abnormal noise inside the motor?
Is there burnt smell around the surrounding?
Is there any abnormal vibration? If yes, please take necessary check actions to
identify the cause.
Is three-phase equilibrium available from the input voltage and phase current of
power supply?
(2)
If there is no abnormality detected from the abovementioned conditions, please
connect motor to its load device, perform the no-load operation and full-load
operation, and check again according to the above items.
4. Maintenance and checks
In order to prevent equipment from occurring the operation accidents, to carry out the routine
records and checks is a must.
1.
Routine checks
To start and operate the motor, please check the equipment status to ensure that there is
no occurrence of abnormal vibration or unusual noise with the routine records
maintained.
Items for routine check and record:
(
1
)
Date measured, time, weather
(
2
)
Ambient temperature
(
3
)
Voltage, load current, frequency, rpm
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Page 7: ...1BW0 A1 C LD 426 High Efficiency Permanent Magnet Synchronous Motor Instruction Manual ...