Maintenance of Equipment HBD, AEI and DOA
 Preventative and corrective maintenance to 102 detectors of hot boxes (HBD), to 58 automatic equipment detectors (AEI) and to 2 dragged object detectors (DOA), installed in all of the railway network of Mexican Railways s.a. de c.v. (Ferromex).
The equipment is installed in 5 divisions:
Central Mexico Division
Guadalajara Division
Monterrey Division
Chihuahua Division
Hermosillo Division
In order to guarantee a correct intervention in the shortest amount of time possible, Imeval counts on the following areas:
| Aguascalientes |
(region 1 location). |
| Guadalajara |
(region 2 location). |
| Torreón |
(coordination and region 3 location). |
| Chihuahua |
(region 4 location). |
| Saltillo |
(region 5 location). |
| Los Mochis |
(region 6 location). |
Equipment for the activation of maintenance
Concept |
Quantity |
Pentium iii laptops |
7 |
Pentium iii PC |
1 |
Portable printers |
6 |
Laser jet hp printer |
1 |
920c hp printer |
1 |
Digital Sony Cameras |
7 |
Volt-meters |
7 |
Amp-meters |
7 |
Measurers of soil systems |
3 |
Watt-meters |
2 |
Track drills |
2 |
Emergency generators of 2.5 h.p. |
4 |
Tool kits |
6 |
Torque-meters |
6 |
Trainings received:
- Inspection System for trains, hot stump detectors, microhbd and cyberscan, given by personnel of Harmon July 2002.
- Operation and working of the automatic equipment of AEI equipments given by Southern Technologies Corporation (stc) September 2002.
- AEI Up grade, smartscan AEI systems given by Southern Technologies Corporation (stc) March 2003.
The preventative maintenance jobs to the HBD and AEI systems are carried out in periodical visits, which basically consist of::
- Cleaning of transductors, scanner and dragged object detector (doa).
 Internal cleaning of containers and electrical components and electronics.- Tidying of embankment and application of herbicides.
- Revision of the good state and functioning of all the components of the track and the inside of the container.
- Verifying the configuration of the parameters.
- Verifying the correct operation of the electronic cards, module processors, module readers and presence detectors.
- Measurement of voltages in battery chargers, battery bank and of the connection to alternative current.
- Measurement of soil systems.
- Measurement of strength of the reader antennas of AEI equipment tags.
 Operative tests in coordination with the dispatch centre and/or with the Ferromex personnel, in order to guarantee the correct operation of the HBD and AEI equipment.- Carrying out of corrective maintenance jobs on the HBD and AEI systems when the dispatch centre and/or Ferromex personnel report a fault with the equipment.
- The correction of the faults guarantees that at whatever time and location of the HBD and AEI systems of the railway network, in a period of less than 8 hours, achieving a higher up-to-date availability than 99.95%.
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