PLATE-END 2027535 - Caterpillar

PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Rework Procedure
Group Number 1
Replace the failed NRS cooler with the new NRS cooler design following instructions outlined in Service Magazine, M0081814 or M0085324 (Depending on Model/prefix), "A New NOx Reduction System Cooler Group Is Now Used on All C9.3 Tier 4 Final Machine Engines".
For additional system checks that may be required, reference Special Instruction, M0069778, "System Check after an NOx Reduction System (NRS) Cooler Failure for C9.3 through C18 Tier 4 Engines".
Refer to Special Instruction, M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines", for proper coolant drain and fill procedure.
Pressure test the coolant system to verify no leaks are present using the "Testing the Radiator and Cooling System for Leaks" procedure in UENR3402 prior to starting machine once the rework is completed.
Group Number 2
Replace NRS cooler with the new NRS cooler following instructions outlined in Service Magazine, M0081474, "A New NOx Reduction System Cooler Group and Water Lines Group Is Now Used on Certain C13 Tier 4 Interim Wheel Loader Engines".
For additional system checks that may be required, reference Special Instruction, M0069778, "System Check after an NRS Cooler Failure for C9.3 through C18 Tier 4 Engines".
Refer to Special Instruction, M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines", for proper coolant drain and fill procedure.
Pressure test the coolant system to verify no leaks are present using the "Testing the Radiator and Cooling System for Leaks" procedure in UENR0946 prior to starting machine once reworks are completed.
Group Number 3
Replace NRS cooler with the new NRS cooler following instructions outlined in Service Magazine, M0081596, "A New NOx Reduction System Cooler Group and Water Lines Group Is Now Used on Certain 349E C13 Tier 4i Engines".
For additional system checks that may be required, reference Special Instruction,