COLLAR 7S7936 - Caterpillar

Illustration 1 g00104545Attach a "Do Not Operate" warning tag to the start switch or controls before the (SCR) system is serviced or repaired. These warning tags (Special Instruction, SEHS7332) are available from your Cat dealer. Attach the warning tags to the (SCR) system and to each operator control station. When appropriate, disconnect the starting controls.Do not allow unauthorized personnel on the (SCR) system, or around the (SCR) system while being serviced.Cautiously remove the following parts. 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 plugsUse caution when cover plates are removed. Gradually loosen, but do not remove the last two bolts or nuts that are at opposite ends of the cover plate or the device. Before removing the last two bolts or nuts, pry the cover loose to relieve any spring pressure or other pressure.
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Wear a hard hat, protective glasses, and other protective equipment, as required.
Do not wear loose clothing or jewelry that can snag on controls or on other parts of the (SCR) system.
Ensure that all protective guards and all covers are secured in place on the (SCR) system.
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 cannot be started.
The protective locks or the controls are in the applied position.
The (SCR) system has been shut down. Ensure that the (SCR) system cannot be started.
Disconnect the electrical supply when maintenance is performed or when the electrical system is serviced.
Do not attempt any repairs that are not understood. Use the proper tools. Replace any equipment that is damaged or repair the equipment.Safety Messages
Illustration 3 g06110613(1) Universal Warning
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Do not operate or work on this equipment unless you have read and understand the instructions and warnings in the Operation and Maintenance Manuals. Failure to follow the instructions or heed the warnings could result in serious injury or death.
Hot Surface
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Hot parts or hot components can cause burns or personal injury. Do not allow hot parts or components to contact your skin. Use protective clothing or protective equipment to protect your skin.
Pressurized Air and Water
Pressurized air and/or water can cause debris and/or hot water to be blown out which could result in personal injury.When pressurized air and/or pressurized water is used for cleaning, wear protective clothing, protective shoes, and eye protection. Eye protection includes goggles or a protective face shield.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
Illustration 6 g00687600Always use a board or cardboard when you check for a leak. Leaking fluid that is under pressure can penetrate body tissue. Fluid penetration can