Starting and Driving
Retarder
The retarder is an electromagnetic
brake, and suffers no mechanical wear.
This saves wear on the service brakes
and in an emergency the full braking
effect (no fading) of the service brakes
is available.
Therefore application of the retarder is
recommended on lengthy gradients or
when slowing down from high speed.
A slight pressure on the brake pedal
brings the retarder progressively into
operation, carrying it through the
stages of operation.
No special equipment is visible in the
driver's cab, except a retarder warning
lamp which illuminates when the
retarder is in operation.
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