C9T-TH31 Petroleum Package Caterpillar


General Hazard Information

Usage:

TH31-C9T PAY
Attach a "Do Not Operate" warning tag or a similar warning tag to the start switch or to the controls before the engine is serviced or before the engine is repaired. These warning tags (Special Instruction, SEHS7332) are available from your Caterpillar dealer. Attach the warning tags to the engine and to each operator control station. When it is appropriate, disconnect the starting controls.


Illustration 1g00104545

Do not allow unauthorized personnel on the engine or around the engine when the engine is serviced.

  • Tampering with the engine installation or tampering with the OEM supplied wiring can be dangerous. Personal injury, death and/or engine damage could result.

  • Vent the engine exhaust to the outside when the engine is operated in an enclosed area.

  • If the engine is not running, do not release the secondary brake or the parking brake systems unless the vehicle is blocked or unless the vehicle is restrained.

  • Wear a hard hat, protective glasses, and other protective equipment, as required.

  • When work is performed around an engine that is operating, wear protective devices for ears in order to help prevent damage to hearing.

  • Do not wear loose clothing or jewelry that can snag on controls or on other parts of the engine.

  • Ensure that all protective guards and all covers are secured in place on the engine.

  • Never put maintenance fluids into glass containers. Glass containers can break.

  • Use all cleaning solutions with care.

  • Report all necessary repairs.

Unless other instructions are provided, perform the maintenance under the following conditions:

  • The engine is stopped. Ensure that the engine can not be started.

  • The protective locks or the controls are in the applied position.

  • Engage the secondary brakes or parking brakes.

  • Block the vehicle or restrain the vehicle before maintenance or repairs are performed.

  • Disconnect the batteries when maintenance is performed or when the electrical system is serviced. Disconnect the battery ground leads. Tape the leads in order to help prevent sparks.

  • Disconnect the connector for the unit injector that is located on the valve cover base. This will help prevent personal injury from the high voltage to the unit injectors. Do not come in contact with the unit injector terminals while the engine is operating.

  • Do not attempt any repairs or any adjustments to the engine while the engine is operating.

  • Do not attempt any repairs that are not understood. Use the proper tools. Replace any equipment that is damaged or repair the equipment.

  • For initial start-up of a new engine or for starting an engine that has been serviced, make provisions to stop the engine if an overspeed occurs. This may be accomplished by shutting off the fuel supply and/or the air supply to the engine.

  • Start the engine from the operator's station (cab). Never short across the starting motor terminals or the batteries. This could bypass the engine neutral start system and/or the electrical system could be damaged.

Cautiously remove the following parts:

Note: To help prevent spraying or splashing of pressurized fluids, hold a rag over the part that is being removed.

  • Filler caps

  • Grease fittings

  • Pressure taps

  • Breathers

  • Drain plugs

Use caution when cover plates are removed. Gradually loosen but do not remove the last two bolts or nuts that are located at opposite ends of the cover plate or the device. Before removing the last two bolts or nuts, pry the cover loose in order to relieve any spring pressure or other pressure.

Pressure Air and Water

Pressurized air and/or water can cause debris and/or hot water to be blown out. This could result in personal injury. When pressure air is used for cleaning, wear a protective face shield, protective clothing, and protective shoes. The maximum air pressure for cleaning purposes must be reduced to 205 kPa (30 psi) when the air nozzle is deadheaded and used with effective chip guarding (if applicable) and personal protective equipment. The maximum water pressure for cleaning purposes must be below 275 kPa (40 psi). Always wear eye protection for cleaning the cooling system.

Fluid Penetration

Pressure can be trapped in the hydraulic circuit long after the engine has been stopped. The pressure can cause hydraulic fluid or items such as pipe plugs to escape rapidly if the pressure is not relieved correctly.

Do not remove any hydraulic components or parts until pressure has been relieved or personal injury may occur. Do not disassemble any hydraulic components or parts until pressure has been relieved or personal injury may occur. Refer to the Service Manual for any procedures that are required to relieve the hydraulic pressure.

Always use a board or cardboard when you check for a leak. Leaking fluid that is under pressure can penetrate body tissue. Fluid penetration can cause serious injury and possible death. A pin hole leak can cause severe injury. If fluid is injected into your skin, you must get treatment immediately. Seek treatment from a doctor that is familiar with this type of injury.

Fluid Spillage

Care must be used in order to ensure that the fluids are contained during the inspection, the maintenance, the testing, the adjusting, and the repair of the engine. Make provision to collect the fluid with a suitable container before any compartment is opened or before any component is disassembled.

Refer to the Special Publication, NENG2500, "Tools and Shop Products Guide". This publication explains the items that are needed for collecting and for containing fluids that are used in Caterpillar engines.

Dispose of fluids according to local regulations.

Asbestos Information




Illustration 2g00702022

Caterpillar equipment and replacement parts that are shipped from Caterpillar are asbestos free. Caterpillar recommends the use of only genuine Caterpillar replacement parts. Use the following guidelines when you handle any replacement parts that contain asbestos or when you handle asbestos debris.

Use caution. Avoid inhaling dust that might be generated when you handle components that contain asbestos fibers. Inhaling this dust can be hazardous to your health. The components that may contain asbestos fibers are brake pads, brake bands, lining material, clutch plates, and some gaskets. The asbestos that is used in these components is usually bound in a resin or sealed in some way. Normal handling is not hazardous unless airborne dust that contains asbestos is generated.

If dust that may contain asbestos is present, there are several guidelines that should be followed:

  • Never use compressed air for cleaning.

  • Avoid brushing materials that contain asbestos.

  • Avoid grinding materials that contain asbestos.

  • Use a wet method in order to clean up asbestos materials.

  • A vacuum cleaner that is equipped with a high efficiency particulate air filter (HEPA) can also be used.

  • Use exhaust ventilation on permanent machining jobs.

  • Wear an approved respirator if there is no other way to control the dust.

  • Comply with applicable rules and regulations for the work place. In the United States, use Occupational Safety and Health Administration (OSHA) requirements. These OSHA requirements can be found in "29 CFR 1910.1001".

  • Obey environmental regulations for the disposal of asbestos.

  • Stay away from areas that might have asbestos particles in the air.

Lines, Tubes, and Hoses

Do not bend or strike high pressure lines. Do not install lines, tubes, or hoses that are damaged.

Repair any fuel lines, oil lines, tubes, or hoses that are loose or damaged. Leaks can cause fires.

Inspect all lines, tubes and hoses carefully. Do not use bare hands to check for leaks. Always use a board or cardboard for checking engine components for leaks. Tighten all connections to the recommended torque.

Check for the following conditions:

  • End fittings that are damaged or leaking

  • Outer covering that is chafed or cut

  • Wire that is exposed in reinforced hose

  • Outer covering that is ballooning locally

  • Flexible part of the hose that is kinked or crushed

  • Armoring that is embedded in the outer covering

Ensure that all of the clamps, the guards, and the heat shields are installed correctly. This will help to prevent these effects: vibration, rubbing against other parts and excessive heat during operation.

Trapped Pressure

Pressure can be trapped in a hydraulic system. Releasing trapped pressure can cause sudden machine movement or attachment movement. Use caution if you disconnect hydraulic lines or fittings. High pressure oil that is released can cause a hose to whip. High pressure oil that is released can cause oil to spray. Fluid penetration can cause serious injury and possible death.

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