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Design, manufacturing and assembly of the new gear wheels of the gear-unit.
Gear wheel removal and replacement.
IM4 revision of the bogie and its components.
- Brake rigging maintenance
- Underframe conditioning + revision of facilities
- Assembly of brake rigging + pneumatic test
- Gear-unit ext. conditioning
- Output shaft removal.
- Inspection and measures
- Reverse engineering and manufacturing of the new gear wheels
- New gear wheel-shaft press-fit.
- New output shaft assembly
- Bogie press test
- Inspection of cracks, burn stains and adherences and brake disc wear check
- Inspection of shoe wear
- Inspection of underframe cracks and fissures
- Wheel visual inspection
- Running surface diameter measurement
- Wheel flange measurement
- Tread surface ultrasound test
- Axle-box exterior inspection
- Axle-box interior inspection
- Bearing overhaul (bearing reconditioning)
- Pneumatic installation general inspection
- Pneumatic circuit leak tightness test
- Visual inspection of electrical installation
- Electric strength and insulation resistance check
- Fixing check and status visual inspection
- Revision of main gear-unit and coupling
