The article is devoted to the replacement of brake pads at railway infrastructure car maintenance facilities.This article studies the problem of replacing friction pads in passenger cars, when the checks jam under the influence of external dynamic and temperature factors Computer during operation.According to the standard technology the replacement of the defective pad is Swivel Lounge Chair with Cushion (set of 2) carried out with the use of manual devices, which does not meet modern requirements.
A new screw puller for replacing the brake pads of wagons is proposed.The screw pair is calculated and its rational parameters are specified.