Make sure that all of the warning signs are legible. Clean the warning signs or replace the warning signs if you cannot read the words. Replace the illustrations if the illustrations are not legible. When you clean the warning signs, 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 warning sign. Loose adhesive will allow the warning sign to fall.
Replace any safety sign that is damaged, or missing. If a safety sign is attached to a part that is replaced, install a safety sign on the replacement part. Any Caterpillar dealer can provide new safety signs.
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| Illustration 1 | g00789156 |
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This warning label is used on 776D Tractors and on 777D Off-Highway Trucks with later serial numbers. | |
This warning label is located in the cab on the right side of the dash panel.
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| Illustration 2 | g00789157 |
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Do not operate this machine unless you have read and understand the instructions and warnings in the Operation and Maintenance Manual. Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Caterpillar dealer for replacement manuals. Proper care is your responsibility. |
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| Illustration 3 | g00490288 |
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This warning label is used on 776D Tractors and on 777D Off-Highway Trucks with earlier serial numbers. | |
This warning label is located in the cab on the right side of the dash panel.
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| Illustration 4 | g00103591 |
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Do not operate this machine unless you have read and understand the instructions and warnings in the Operation and Maintenance Manual. Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Caterpillar dealer for replacement manuals. Proper care is your responsibility. |
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| Illustration 5 | g00629783 |
This warning label is located outside the cab on the right side of the ROPS.
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| Illustration 6 | g00100417 |
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Structural damage, an overturn, modification, alteration, or improper repair can impair this structure's protection capability thereby voiding this certification. Do not weld on or drill holes in the structure. Consult a Caterpillar dealer to determine this structure's limitations without voiding its certification. |
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| Illustration 7 | g00789158 |
This warning label is located on the cowling for the hood.
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| Illustration 8 | g00789159 |
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Pressurized system: Hot coolant can cause serious burn. To open cap, stop engine, wait until radiator is cool. Then loosen cap slowly to relieve the pressure. |
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| Illustration 9 | g00629810 |
This warning label is positioned on the front air/hydraulic cylinder.
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| Illustration 10 | g00100414 |
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Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. |
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| Illustration 11 | g00629826 |
This warning label is positioned on the rear air/hydraulic cylinder.
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| Illustration 12 | g00100414 |
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Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. |
Improper Connections For Jump Start Cables
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| Illustration 13 | g00629838 |
This warning label is located on the battery access cover.
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| Illustration 14 | g00038786 |
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Improper jumper cable connections can cause explosion resulting in personal injury. Batteries may be located in separate compartments. When using jumper cables, always connect positive (+) cable to positive (+) terminal of battery connected to starter solenoid and negative (−) cable from external source to starter negative (−) terminal (if machine not equipped with starter negative terminal, connect to engine block.) Follow procedure in the operation manual. |
High Pressure Cylinder (Rear Suspension Cylinder)
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| Illustration 15 | g00635146 |
This warning label is located on the rear suspension cylinder.
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| Illustration 16 | g00431518 |
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HIGH PRESSURE CYLINDER Do not remove any valve, hydraulic fitting, or valve core, nor disassemble any parts until pressure has been relieved. To relieve pressure, truck frame must be properly supported. Failure to comply with this warning will cause unexpected machine movement resulting in serious injury or death. Refer to your Service Manual for correct procedures for relieving pressure and/or correct charging procedures. See your Caterpillar dealer who has tools and detailed information for servicing and charging cylinders. |
For information on servicing the suspension cylinders, refer to Testing and Adjusting, "Suspension Cylinder (Rear) - Purge and Charge".
High Pressure Cylinder (Front Suspension Cylinder)
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| Illustration 17 | g00635151 |
This warning label is located on the front of the front suspension cylinder.
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| Illustration 18 | g00635276 |
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HIGH PRESSURE CYLINDER Do not remove any valve, hydraulic fitting, or valve core, nor disassemble any parts until pressure has been relieved. To relieve pressure, truck frame must be properly supported. Failure to comply with this warning will cause unexpected machine movement resulting in serious injury or death. Refer to your Service Manual for correct procedures for relieving pressure and/or correct charging procedures. See your Caterpillar dealer who has tools and detailed information for servicing and charging cylinders. |
For information on servicing the suspension cylinders, refer to Testing and Adjusting, "Suspension Cylinder (Front) - Purge and Charge".
High Pressure Cylinder (Front Suspension Cylinder)
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| Illustration 19 | g00635156 |
This warning label is located on the rear of the front suspension cylinder.
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| Illustration 20 | g00635276 |
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HIGH PRESSURE CYLINDER Do not remove any valve, hydraulic fitting, or valve core, nor disassemble any parts until pressure has been relieved. To relieve pressure, truck frame must be properly supported. Failure to comply with this warning will cause unexpected machine movement resulting in serious injury or death. Refer to your Service Manual for correct procedures for relieving pressure and/or correct charging procedures. See your Caterpillar dealer who has tools and detailed information for servicing and charging cylinders. |
For information on servicing the suspension cylinders, refer to Testing and Adjusting, "Suspension Cylinder (Front) - Purge and Charge".
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| Illustration 21 | g00635160 |
This warning label is located on the front of each front suspension cylinder.
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| Illustration 22 | g00425862 |
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Removal of this cover or valves will cause truck to drop suddenly if not properly blocked. Serious injury or death could result if person is trapped between tire and platform or fender. |
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| Illustration 23 | g00635163 |
This warning label is located on the rear of each front suspension cylinder.
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| Illustration 24 | g00635302 |
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Removal of this cover or valves will cause truck to drop suddenly if not properly blocked. Serious injury or death could result if person is trapped between tire and platform or fender. |
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| Illustration 25 | g00629845 |
This warning label is located on the valve mechanism cover.
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| Illustration 26 | g00123185 |
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Flash fire may result in personal injury, if crankcase covers are removed within fifteen minutes after emergency shut down. Do not restart engine until cause for shut down has been corrected. |
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| Illustration 27 | g00629850 |
This warning label is located on three of the valve mechanism covers.
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| Illustration 28 | g00103125 |
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Electrical shock hazard. The electronic unit injector system uses 90-120 volts. |
The ECM sends a high voltage signal to the unit injectors. To help prevent personal injury, disconnect the unit injector connector. Do not come in contact with the harness connector for the unit injector while the engine is operating.
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| Illustration 29 | g00635176 |
This warning label is located on the left front valve mechanism cover.
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| Illustration 30 | g00306083 |
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Improper lift rigging can allow unit to tumble causing injury and damage.
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