try releasing the brake
check that the emergency brake pedal is completely up.If ok disconnect the electric cable from the emergency brake pedal. i think is brown in color if light turns off the problem is there.
Probable causes: Low or no fluid in reservoir; Worn brake pads/shoes; Air in brake lines; Leaking brake line.
no
To change the brake cable on a TD15 Dresser bulldozer, first ensure the machine is safely parked and secured. Disconnect the old brake cable from the brake pedal and the pulleys, noting how it is routed. Install the new cable by threading it through the same path around the pulleys, then connect it to the brake pedal. Finally, test the brake pedal to ensure proper engagement and adjustment of the cable tension as needed.
1: It serves as a parking brake 2: It serves as an emergency brake, and engages the brakes in the event that there should be a loss of pressure in the primary air system.
the alarm
remove the power chip or disconnect the battery and then disconnect it manually!!
Easiest would be to disconnect the wire at the emergency brake handle.
Disconnect you brake system and die
It locks the brakes when the vehicle or trailer is not in use. It also engages if air pressure is suddenly lost.
Disconnect brake line at the nearest junction Disconnect brake line at the affected wheel cylinder Route new brake line same way old one was Connect both ends Bleed the wheel cylinder on that line MAKE SURE MASTER CYLINDER DOES NOT RUN EMPTY