Detroit Diesel DD15 EuroIV Operator's Manual page 55

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CAUTION: LOSS OF VEHICLE CONTROL

To avoid injury from loss of vehicle control, do not activate the

Engine Brake system under the following conditions:

• On wet or slippery pavement, unless the vehicle is equipped

with ABS (anti-lock braking system) and you have had prior

experience driving under these conditions.

• When driving without a trailer (bobtailing) or pulling an empty

trailer.

• If the tractor drive wheels begin to lock or there is fishtail

motion after the Engine Brake is activated, deactivate the brake

system immediately if this occurs.

NOTE: On single trailers or combinations, a light air application of the trailer

brakes may be desirable to help keep the trailer stretched out. Follow the

manufacturer's recommended operating procedure when using your trailer

brakes.

2. If the tractor drive wheels begin to lock or there is fishtail motion after the

Engine Brake is activated, deactivate the brake system immediately if this

occurs.

3. However, if the tractor drive wheels begin to lock or there is a fishtail

motion, turn the engine brake system OFF immediately and do not activate it

until road conditions improve.

4. Check your progressive braking switch often for proper position

(LOW/MED/HIGH), since road conditions can change quickly. Never skip a

step when operating the progressive braking system. Always go from OFF to

LOW and then to a higher position.

All information subject to change without notice.

DD Platform EuroIV Operators Manual

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