The swing brake is used to hold the house or operators controlls in one place preventing the excavator from swing espically when the machine is not setting level. it differs in machines where it is located but usually is appiled with the left foot
If you just barely touch the brake pedal the brake lights will come on but the brakes will for all intent and purpose not be applied.
Possibly, if you are being aggressive with the excavator, setting the parking brake would take tension off the transmission though.
to put the squeeze on your rear discs
Generally the brake pedal gets harder to push when braking. You may also hear a vacuum leak when the brakes are applied. And sometimes the will engine idle rough when stopped and holding the brake pedal.
the parking brake on caterpillar dump truck is spring applied and pressure released
No. The brakes are applied manually. A brake band squeezes a brake drum.
Anti compounding valves are found in an air brake system on large commercial vehicles. These valves help to balance the pressure applied to the slack adjuster by simultaneously applying air to the spring brake relay when the service brake is pushed. The air is applied to the parking brake chamber as air pressure is applied to the service brake chamber thus releasing the parking brake the same amount that the service brake is applied thus "Balancing" the pressure in the brake chamber. This prevents excessive pressure from being applied to the service side and subsequently to the rod and slack adjuster. Thomas Moysey- owner A.B. CDL Training Center Waterford, CT
It decreases.
check the parking brake cables, any applied tension, and condition of the brake shoes
yes and you could DIE!
The shaft locks when power not applied.
Master Cylinder low of brake fluid, grinding when the brakes are applied, and long brake pedal travel on a vehicle with brake shoes instead of brake pads.