Inspection And Maintenance Intervals; Inspections And Maintenance; Visual Inspections; Detailed Visual Inspections - ABB AMXE132 Manual

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MOTORS FOR HEAVY ELECTRICAL VEHICLES

6.2. Inspection and Maintenance intervals

NOTE:
It is important to follow the recommendations to ensure a fully working motor.
Action
Visual inspection
Detailed visual inspection
Bearings
External shaft seal
Shaft spline
External cleaning
*Whichever comes first.
Table 8.

6.3. Inspections and maintenance

6.3.1. Visual inspections

The purpose of the visual inspection is to do a quick check to see whether problems are beginning to
develop before they can cause failures and unscheduled maintenance breaks.
The visual inspection shall include the following areas:
1.
2.
3.
NOTE:

6.3.2. Detailed visual inspections

The purpose of the detailed visual inspection is to do a check to see whether problems are beginning to
develop before they can cause failures and unscheduled maintenance breaks.
The detailed visual inspection shall include the following areas:
1.
2.
The need for maintenance can vary depending on local conditions.
Inspection and maintenance table.
Listen for any abnormal noise or increased vibrations
Verify that the liquid cooling system connections for inlet and outlet are free from dust or any parts
that block the flow. If required, clean the inlet and outlet areas.
Check that there are no fluid leakages. The pressure drop may not exceed the rating on the separate
rating plate, see Figure 3.
Verify that the temperature sensors in the stator winding are functioning properly.
If there is a potential safety risk, inform management and take necessary emergency
measures.
The points described in 6.3.1.
Look for any visual damage to the structure of the motor such as cracks in the structure and
corrosion in screw joints, etc. If external damage to the motor is observed and to such an extent that
it prevents operation or represents a safety risk, replace the motor as soon as possible.
Interval
Weekly
1500 h in operation or every 6 months*
3000 h in operation or every 12 months*
3000 h in operation or every 12 months*
3000 h in operation or every 12 months*
3000 h in operation or every 12 months*
Chapter
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.3.6