ABB DC Machines DMI, Инструкция по эксплуатации и техническому обслуживанию

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1
Observation and maintenance
Once a month
R
Inspect brushes for wear and freedom of
movement.
R
Inspect the condition of the commutator.
R
Check the commutation.
R
Check for vibrations.
R
Clean the inside of the motor with a vacuum
cleaner in combination with clean, dry com-
pressed air or by wiping off the contamina-
tion.
R
Check bearing conditions.
R
Check the function of thermostat regulators
for coolers.
R
If necessary clean away oil or grease that
may have entered into the motor.
R
If needed, exchange main air filter as well as
air leakage filter in the cooler.
R
If necessary, replace the fan’s filter.
Every 4 month
R
Measure the insulation resistance of the
windings using a 500 V megger (both before
and after cleaning).
R
Inspect all connections including the brush
flexibles.
General
Careful maintenance is the best insurance
against failures and interruption of operation.
The maintenance schedule shown below is the
result of many years of experience. However, the needs for maintenance can vary
widely depending on local conditions. The
schedule is therefore to be regarded as a guide
only.
Maintenance
schedule
Remark
Lubricate the bearings at intervals according to the rating plate.
Caution
The vibration should not exceed 4.5 mm/s r.m.s.