FIELD: transport.
SUBSTANCE: invention relates to railway transport and may be used at traction rolling stock. Control is performed by metal warners. Warner consists of metal core, plastic tip and lead-out conductor. At tolerable wear of braking clamp, warner metal part is reached to close electric circuit. Here, warner closes to switch on indicator lamp to warn operator about maximum wear of braking clamp to be replaced. To define locomotive side whereat worn-out braking clamp is located, locomotive is provided with two, RH and LH, circuits to switch on RH or LH indicator lamp, respectively.
EFFECT: increased railroad traffic safety.
2 cl, 3 dwg
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