RING-BACKUP 1970018 - Caterpillar

There may be several specific safety signs on an engine. The exact location of the hazards and the description of the hazards are reviewed in this section. Please become familiar with all safety signs.Ensure that all of the safety signs are legible. Clean the safety signs or replace the safety signs if the words cannot be read or if the pictures are not visible. When the safety signs are cleaned, use a cloth, water, and soap. Do not use solvent, gasoline, or other harsh chemicals to clean the safety signs. Solvents, gasoline, or harsh chemicals could loosen the adhesive that secures the safety signs. The warning signs that are loosened could drop off of the engine.Replace any damaged safety signs or missing safety signs. If a safety sign is attached to a part of the engine that is replaced, install a new safety sign on the replacement part. Any Caterpillar dealer can provide new safety signs.Do not work on the engine and do not operate the engine unless the instructions and warnings in the Operation and Maintenance Manual are understood. Proper care is your responsibility. Failure to follow the instructions or failure to heed the warnings could result in injury or in death.The safety signs that may be found on the engine are illustrated and described.Electronic Unit Injectors
Illustration 1 g00107470The safety sign for the electronic unit injector is located on the valve cover base.
Illustration 2 g00103125
Electrical shock hazard. Unit injector system 90-120 volts.
The Electronic Control Module (ECM) sends a high voltage signal to the injector solenoid. To help prevent personal injury, disconnect the electronic unit injector enable circuit connector. Do not come in contact with the electronic unit injector terminals while the engine is running.