They cited wear on mechanical parts and gaskets, grease on brake shoes, and levers, hinges, and valves that can be jarred loose over time.
42.
Massive brake shoes were mechanically operated via cable controls : the brakes were effective but without servo-assistance required significant muscle power from the driver.
43.
When the disc of a disc brake heats up it expands too, but unlike the drum, does not move away from the brake shoes.
44.
In 1966, American Brake Shoe changed their name and identity to ABEX . In 1968 ABEX merged with Illinois Central Railroad to become IC Industries.
45.
Early systems used manual force to apply the braking shoes; more recently system have used arrays of electromagnets to hold the shoes against the rail.
46.
It remained a subsidiary of American Brake Shoe until it was purchased by the Griswold Signal Company of Minneapolis, Minnesota sometime in the late 1940s.
47.
Higher braking distances are time consuming and not always necessary, he said, but they reduce costly wear and tear on brake shoes and other equipment.
48.
Alternatively, in a drum brake, the fluid enters a wheel cylinder and presses one or two brake shoes against the inside of the spinning drum.
49.
After the last of the brake shoes burn off and the dispatchers realize the severity of their situation, they try to keep the tracks clear.
50.
Brakes are vented discs with ABS and they stop this heavy rig straight and sure in a way smoking old brake shoes never could have matched.
