Peculiarities of training and driving freight trains with trains of empty cars with the number of axes from 400 to 480 with the production of locomotives in the head of the train
Locomotives in the train must have the compressor type CT, with double-header allowed to use compressors E-500, if they are working on a system of many units. This requirement stems from the potential high costs of compressed air due to leakages, which must be provided without the congestion and high heating compressors.
Mix all these trains are usually in the two formulations in different ways with their subsequent connection, charging pressure in the braking of the network when it should be 4.0 kgf/cm2, the same pressure in the brake line should have a shunting locomotive.
In each of the compositions produce a complete sampling of automatic brakes. After the combination compositions and charge for at least 15 minutes inhibitory network check its density and pressure in the brake line tail wagon trains formed and perform an abbreviated testing. When the number of axes 450 and 480 the lowest allowable time to reduce the pressure on the 0,5 kgf/cm2 in the major reservoirs of locomotives, relative to their volume in thousands of liters, should be at least 11, and the pressure in the brake line tail carriage - at least 3 , 5 kgf/cm2. Charging pressure in the brake line locomotive should be 4,8-5,0 kg/cm2. In an abbreviated testing the pressure in the brake line to reduce 0,5-0,6 kg/cm2, braking and vacation checks on the five tail cars.
In connection with high performance brake means trains with trains of empty wagons first stage of inhibition on the route serve a decrease in pressure equalized tank crane operator at 0,3-0,4 kg/cm2; validation of the automatic brakes on the way this stage is kept in for 8-10 s, after which vacation. Release the automatic brakes to over-pressure in the surge chamber I handle the situation of the crane to 6,0-6,5 kg/cm2 and the subsequent transfer of the position of the train.
If you step to reduce the pressure in the brake line over 0,5 kgf/cm2 after the transition to a normal charger pressure again overestimate the pressure in the brake line (surge chamber) to 6.0 kgf/cm2.
Driving a train with a length of empty 400-480 axes are allowed in areas that have prolonged steep hills to 0,012, inclusive, after the development of local regulations and experienced travel to the verification of the automatic brakes and compressors, locomotives.
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