locomotive repair
3.The logic control unit (LCU) of SS9 locomotive, the latest homemade electric locomotive, is arailway-specific programmable controller: It is introduced in the paper its furdamental hardware configuration, controlfunctions as well as the role it plays in the test and repair of electric locomotive.
4.Analysis of error limits for tooth profiles laid down in "Depot repair specifications for DF_4 diesel locomotive
5.A preliminary study of rationality of running-in test norms during intermediate repair of DF_4 locomotive diesel engines
6.This is a newly introduced slight shocking,direct driving centrifugal hyro-extractor.The electric locomotive on its base is semi-closed,internal ventilating,self cooling,weight adding and energy saving.The internal drum and rotational drum are istalled on the Axel of the locomotive and drived directly,which effectively decreases energyloss,and simplifies therotation.Acontrolling box is used in the machine to start through frequency conversion.And stop through resistance.The showing board shows the rotation speed and adjusts the speed and time.The featues of this machine areenergy saving, durable and repair infrequent.This machine is spcially used for cloth hydroectraction.

