Do not remove the pressure cap from a hot engine. Wait until the coolant temperature is below 50°C [120°F] before removing the pressure cap. Heated coolant spray or steam can cause personal injury.
Coolant is toxic. Keep away from children and animals. If not reused, dispose of in accordance with local environmental regulations.
Do not allow the cooling system to dry out.
If the coolant is to be reused, the container must be free of oil and dirt. Before pouring coolant back into the engine, it must be tested for Supplemental Coolant Additive (SCA) concentration.
Restore™ is a heavy-duty cooling system cleaner that removes corrosion, silica gel, and other deposits. The performance of Restore™ is dependent on time, temperature, and concentration levels. An extremely scaled or flow-restricted system, for example, can require higher concentrations of cleaners, higher temperatures, or longer cleaning times, or the use of Restore Plus™. Up to twice the recommended concentration levels of Restore™ can be used safely. Restore Plus™ must be used only at its recommended concentration level. Extremely scaled or fouled systems can require more than one cleaning.
Fleetguard® Restore™ contains no antifreeze. Do not allow the cooling system to freeze during the cleaning operation.
After draining the coolant, immediately add 3.8 liters [1 gal] of Fleetguard® Restore™, Restore Plus™, or equivalent, for each 38 to 57 liters [10 to 15 gal] of cooling system capacity, and fill the system with plain water.
Turn the cab heater temperature switch to high to allow maximum coolant flow through the heater core. The blower does not have to be on.
Do not remove the pressure cap from a hot engine. Wait until the coolant temperature is below 50°C [120°F] before removing the pressure cap. Heated coolant spray or steam can cause personal injury.
WARNING
Coolant is toxic. Keep away from children and animals. If not reused, dispose of in accordance with local environmental regulations.
Operate the engine at normal operating temperatures, at least 85°C [185°F], for 1 to 1½ hours.
Shut the engine off and allow it to cool to 50°C [120°F].
Do not remove the pressure cap from a hot engine. Wait until the coolant temperature is below 50°C [120°F] before removing the pressure cap. Heated coolant spray or steam can cause personal injury.
WARNING
Coolant is toxic. Keep away from children and pets. If not reused, dispose of in accordance with local environmental regulations.
Operate the engine at high idle for 5 minutes with the coolant temperature above 85°C [185°F].
Shut the engine off, allow to cool to 50°C [120°F] and drain the cooling system.
If the water being drained is still dirty, the system must be continually flushed until the water is clean.
To reduce the possibility of engine damage, do not add coolant while the engine is hot
Fill the cooling system with fully-formulated coolant or a 50/50 mixture of fully-formulated antifreeze and good-quality water. Use a service filter to bring the coolant to the correct SCA concentration level.
Do not add coolant to a hot engine. Engine castings can be damaged. Allow the engine to cool below 50°C [120°F] before adding coolant.
Cummins Inc. recommends using either a 50/50 mixture of good-quality water and fully-formulated antifreeze, or fully-formulated coolant when filling the cooling system. The fully-formulated antifreeze or coolant must meet TMC RP329 or TMC RP330 specifications.
Good-quality water is important for cooling system performance. Excessive levels of calcium and magnesium contribute to scaling problems, and excessive levels of chlorides and sulfates cause cooling system corrosion.
Cummins Inc. recommends using Fleetguard® COMPLEAT ES™. It is available in glycol forms (ethylene and propylene) and complies with TMC RP329 and RP330 standards.
Do not remove the pressure cap from a hot engine. Wait until the coolant temperature is below 50°C [120°F] before removing the pressure cap. Heated coolant spray or steam can cause personal injury.
CAUTION
Do not add cold coolant to a hot engine. This can cause engine casting damage. Allow the engine to cool to below 50°C [120°F] before adding coolant.
Remove the radiator or fill cap and check the coolant level. Refer to the OEM service manual for recommendations. Add coolant if necessary. Do not overfill.