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.
WARNING: BODILY INJURY
To avoid injury from an explosion, do not use ether or starting fluid on engines equipped with a
manifold (grid) heater.
Preventive Maintenance
Observe the following cautions when performing preventive maintenance.
WARNING: PERSONAL INJURY
To avoid injury when working near or on an operating engine, remove loose items of clothing and
jewelry. Tie back or contain long hair that could be caught in any moving part causing injury.
WARNING: PERSONAL INJURY
To avoid injury when working on or near an operating engine, wear protective clothing, eye
protection, and hearing protection.
WARNING: HOT OIL
To avoid injury from hot oil, do not operate the engine with the rocker cover(s) removed.
WARNING: FIRE
To avoid injury from fire, contain and eliminate leaks of flammable fluids as they occur. Failure to
eliminate leaks could result in fire.
CAUTION: USED ENGINE OIL
To avoid injury to skin from contact with the contaminants in used engine oil, wear protective
gloves and apron.
WARNING: PERSONAL INJURY
To avoid injury when using caustic cleaning agents, follow the chemical manufacturers usage,
disposal, and safety instructions.
3 Caution Summary
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All information subject to change without notice.
Copyright © 2019 DETROIT DIESEL CORPORATION
DDC-SVC-MAN-0207