Repairs of engines and aggregates

The company performs repairs and refurbishments of all components and aggregates for faultless operations of railway vehicles with mechanical, dieselelectric and dieselhydraulic power transmission in conditions, which are specific by producers, and according to technological projects and technical standards.

complete and partial repairs of diesel engines:
- LIAZ ML634, LIAZ ML640, ČKD K 6 S 230 DR, ČKD K 6 S 310 DR, ČKD 6 S 310 DR, ČKD K12V 230 DR with examination at test stand also with power setting using technology of water resistance,

repairs of separate components of diesel engines:
- turbocharges PDH 35 ZV, PDH 50 ZV, PTD 2080 AH,
- all types of pumps (water, transport, injection, oil),
- combined regulators,
- head of roller- repairs in range of: pressurization, defectoscopy, grinding of valves, valve seats, guides and seats replacement,
- grinding of crankshaft ( max. length: 5 000 mm, weight: 5 t),
- drilling and honing of cylinders, max. range: 37- 313 mm,
- complete repairs of compressors: 3 DSK 80, 3 DSK 100, K3 lok1, K2 lok, W115/80,
- repairs of wiring of auxiliary drives,
- repairs of hydropumps,
- repairs of fans cooling water circuit, repairs of cooling of traction engines,
- repairing and balancing of cardan shafts,
- pressurization and repairs of heatsinks frames, heat exchangers, oil coolers, intercoolers and heaters of all types,
- production of new heatsinks frames for vehicles: T448, T669, 742, 770,
- pressurization and repairs of heatsinks cells
- repairs of all structural units of locomotives´ air circuit at testing stand with protocol: brake valve, distributors, pressure relays and safety valves,
- repairs of electrical devices at testing stand: registred speedometers type: Metra and Hasler, indicators of pressure, voltmeters, ammeters, indicators of temperature and speed,
- repairs of contactors, relays, reverse valves, controllers and regulators,
- production of electrical switchboards and cable harnesses,
- complete repair od traction engines: TM004, TM005, TM006, TM028, AL4542 FIR, AD4346T added with: rewinding of rotors,
- repairs of traction generators and heating alternators,
- repairs of all type of electrical rotating machines,
- repairs of accumulator batteries typed: NiCd: type KPH 80 P, KPH 150 P,
- checking and weighing of coil springs,
- complete repairs and refurbishments of bogie frames
- repairs of wheel sets with replacement of tires, wheels, gear rings according to V25 regulation: mean of wheels: 600- 1250 mm
- balancing of wheel sets, mulchers, shredders, rolls, presses, drums,
- defectoscopy of components and machines: ultrasound, capillary. X-ray and magnetic,
- upholstering work accorsding to customers´ wishes
- joinery work ( replacement of windows...),
- blast cleaning and varnishing of railway vehicles up to lenght: 25 m and also other vehicles according to customers´ wishes