Brake Switch VK415 is used to enable a
intermediate relay RS527 signal lamps braking in the rear lamps.
The switch is installed on a special bracket on the brake pedal
and is activated when you press the pedal. In this case the drive shaft 3 (Fig. 224)
switch is released, the movable plate and tightened with xcontacts
spring and closes each switch outlet terminals.
When checking the circuit breaker test drive stroke of the piston rod
no-load situation, which should be 7 mm. Progress in opening
xcontacts from the same stock of 0.5-2.5 mm.