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Instruments and controls
Brakes, others
Door brake
The door brake is fitted by the coach-builder. This function is
common on local buses and long-distance coaches. The
door brake ensures that the bus cannot be driven with an
open door. Lit warning light indicates that the brake is ap-
plied due to an open door.
Clamping strips
Clamping strips in doors are optional but are available to
increase passenger safety. If doors are prevented from clos-
ing, the clamping strips sense this and the doors automati-
cally return to the open position. If the bus has clamping
strips their function should be regularly checked.
Exhaust brake
The exhaust brake is a complement to the footbrake system
and is activated by a foot switch. The exhaust brake is in-
cluded in the engine exhaust pressure regulator.
Just like the retarder, the exhaust brake affects only the
drive axle. This means that it should not be used in slippery
conditions as the bus can easily skid when only the driving
axle is braked.
Read more on braking with the exhaust brake in the
chapter ”Driving”.
The exhaust brake only affects the drive wheels. Braking
only the drive wheels may cause skidding
on slippery roads.
Light is on: the door brake is applied
Switch for exhaust brake
Warning!
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