9.1. After Sales
The After Sales support for rotating electrical machines manufactured by ABB and Strömberg, has been located in Helsinki, Finland since 1889.
9.1.1. Site Services
The Site Services department provides: • Installation and commissioning
• Maintenance and inspections
• Troubleshooting and service • Upgrading and modifications.
9.1.2. Spare Parts
The Spare Parts department:
• Co-ordinates spare parts packages delivered with the machine • Sells genuine spare parts after the machines have been delivered. For spare part packages, see Chapter 9.2, Spare parts.
9.1.3. Support and Warranties
The Support department:• Handles warranty issues under warranty period based on written claims
• Makes warranty determination
• Decides about corrective actions • Provides technical support.
9.1.4. Support for Service Centers
The Service Center Support provides help for authorized Service Centers in questions concerning the mechanical construction as well as in electromagnetic and insulation technology issues.
9.1.5. After Sales contact information
Contact the After Sales department by:
+358 (0)10 22 11 Phone 7 am - 5 pm (GMT+2):
+358 (0)10 22 27100 24-Hour Support Line:
+358 (0)10 22 22544 Fax:
[email protected] e-mail for spare parts:
[email protected] e-mail for site services:
[email protected] e-mail for warranties and technical support:
If available, please add the serial number of the machine (seven digits, starting with 45#####) to your e-mail for reference information.
NOTE:
9.2. Spare parts
9.2.1. General spare part considerations
The machines manufactured by ABB are designed and manufactured to provide reliable and trouble-free operation for decades. This requires, however, that the machines are properly maintained and operated. This maintenance includes changing of parts subjected to normal wear. There is always an inevitable amount of uncertainty related to wearing. The wear rates of these parts vary greatly according to application, environment and particular conditions. Therefore, the condition of these parts should be checked regularly and a sufficient amount of spare parts should be kept in stock. These spares help to minimize down time if the need appears. The extent of the stock should be decided based upon the importance of the application, the availability of the particular spare part and the expertise of the local maintenance personnel.
9.2.2. Periodic part replacement
There is always mechanical wearing when two moving surfaces are in contact with each other. In electrical machines most of the mechanical wearing occurs between the rotating shaft and stationary parts. The bearing parts, such as bearing shells and oil rings in sleeve bearings, will eventually wear out and need to be replaced, even if correct lubrication is maintained. Other wearing parts include seals that are in constant contact with the rotating shaft, and the brushes, brush gears and slip rings of the slip ring unit.
The parts mentioned above make an extensive, but not a complete, list of the mechanically wearing parts. These parts have an estimated life span, but as mentioned earlier, their actual durability can vary significantly. For this reason, at least these parts should be kept in stock. It should also be noted that the replacement of these parts, due to normal wearing, is not covered by the warranty.
9.2.3. Need of spare parts
Other types of wear occur due to elevated temperatures, electrical disturbances and chemical reactions. The wear of the diodes in the rectifier bridge is usually related to abnormal electrical operating conditions. It is usually a slow process, but it is strongly dependent on the operation conditions of the machines and system disturbances.
Air filters, which protect the machine interior from contamination, become themselves saturated with air impurities and need to be replaced to ensure the correct operation of the cooling unit, and the continuous protection of sensitive machine parts.
The electrical windings of the ABB machines have good protection against wear, but only if correct maintenance and operating conditions are followed. The correct operating temperature must not be exceeded and the windings must be cleaned from dirt regularly. The winding can also be subjected to accelerated wear due to a number of electrical disturbances.
There are stator winding Pt-100 temperature detectors located inside the stator core slots. These detectors cannot be replaced. Therefore, spare Pt-100 detectors are ready installed in the stator winding. These spare detectors can be taken into use if the primary detector fails. If also the spare detector should fail, the possible corrective action is to add Pt-100 detectors into the stator winding end. Contact ABB for further information.
9.2.4. Selection of the most suitable spare part package
ABB provides three level of ready made spare part packages. The personnel best informed of the machine's operational conditions should select the most suitable package based on criticality of the application and on the financial risk related to the duration of downtime and loss of production. Safety parts for commissioning and to ensure usability
• These are the most essential spare parts that you should have always available. Maintenance parts for troubleshooting and scheduled maintenance
• These parts should be available while doing medium term maintenance.
• These parts also enable fast recovery in case of failure in the most of the accessories. Capital spare parts to reduce repair time in case of serious damage
• These spare parts are recommended when the machine is a part of an essential processes. • These spare parts enable fast recovery even in case of a serious damage.
9.2.5. Typical recommended spare parts in different sets
Below is presented a general recommendation of the typical spare parts for different packages. To receive a quotation for specific parts for a specific machine, please contact the ABB After sales organization.
Please note that even though ABB has customized the spare part sets to match the machine, they might contain references to accessories not found on all machines.
9.2.5.1. Safety package
Main machine
Amount Spare part
1 pc. Automatic voltage regulator (AVR)
3 pcs. Rectifier diodes 1 pc. Varistor Set Air filters 1 pc. Pt-100 for cooling air
Lubrication system and bearings
Amount Spare part
1 pc. Bearing RTD
2 pcs. Bearing labyrinth seal
1 pc. Bearing shell, for D-end and ND-end
1 pc. Bearing oil ring
9.2.5.2. Maintenance package
Main machine
Amount Spare part
1 pc. Safety package (without AVR)
1 pc. AVR with board
1 pc. Voltage transformer
3 pcs. Short circuit current transformers
1 pc. Actual value current transformer
3 pcs. Stator current measurement transformers
1 pc. Space heater
9.2.5.3. Capital spare parts
Amount Spare part 1 pc. Exciter rotor 1 pc. Exciter stator 1 pc. Rectifier bridge 2 pcs. Rotor pole 1 pc. Rotor (complete) 1 pc. Stator with frame
Amount Spare part
1 pc. Water cooler element
9.2.6. Order information
To ensure fast and correct spare part order and delivery, our After sales personnel should be provided with the serial number of the machine in question. The serial number can be found either on the rating plate fixed to the machine frame, or stamped on the machine frame, and is also given in this manual.
In addition, provide specific and detailed information about the parts ordered (in most cases this information can be found in Section 7, Accessory Information. The contact information of ABB's After sales organization can be found in Chapter 9, After sales and spare parts.