B42.60-0066-10
33.01 Engine-brake electro-pneumatic valve
36.03 Filter for vacuum circuits
a Supply pressure
c Braking pressure
Operation
The engine-brake pressure valve (33.01), when actuated permits the passage of vacuum coming from the reservoir (5.04) this vacuum actuates on the connection (2) of the engine-brake actuation cylinder (20.08).
The engine-brake pneumatic cylinder (20.08) operates the engine-brake throttle valve, which is (normally) located in the engine exhaust circuit.