856972T Mercury BRACKET

Table 1
Revision Summary of Changes
02 Changes made to table 3,4,5. Added part numbers and foot notes. Introduction
Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.This Special Instruction covers repowering a 651E/657E Wheel Tractor Scraper from a 3408E/3412C engine to a Tier 4 Final C15/C18 engine. Use the tables below for the previous engine arrangement and what the new engine will arrangement will be for the tractor and the scraper.
Table 2
Tractor Engine Arrangement
Original Engine Arrangement Replacement Engine Arrangement
123-0199
149-6377
8N-0970 575-6825
Table 3
Scraper Engine Arrangement
Original Engine Arrangement Replacement Engine Arrangement
123-0208
149-6376
2W-0657
6N-1831 575-6796 This Special Instruction does not cover procedures that can be found in existing manuals for these machines.Reference: Refer to the existing Operation and Maintenance Manual, Parts Manual, and Service Manuals for any information that is not covered in this instruction.Note: This preliminary instruction contains some procedures that come from dealer feedback. The emissions replacement engine is not a direct replacement. Variations in machine serial number breaks or options could cause a discrepancy in modifications, required parts, and labor hours needed for completion.This is a guideline for Caterpillar dealer personnel to complete the repower procedure. If an errors are found, contact the Caterpillar Emissions Solutions Group. The following information will need to be included when contacting this group:
Machine serial number
Original engine arrangement number
Original engine serial number
Emissions engine arrangement number
Details of the error
Photos of the error and photos after of the proposed solutionReference
Reference: Refer to Specifications , SENR3130, "Torque Specifications"Reference: Refer to Specifications , SENR9831 , "C15 and C18 Engines for Caterpillar Built Machines"Reference: Refer to Specifications , SENR5664 , "Air Conditioning and Heating R134a for All Caterpillar Machines"Reference: Refer to Special Instruction , UENR8632, "651/657E Tier 4 Final Repower Bulk Material"Reference: Refer to Special Instruction , SEHS7050, "Using The 5P2160 Engine Horsepower Meter Arrangement"Reference: Refer to Special Instruction , REHS5014, "Reuse Guideline for the Flexible Exhaust Pipe Group on Tier 4 Engines"Reference: Refer to Special Instruction , REHS5097, "Instructions to Register the Retrofit and Submit Service Reporting"Reference: Refer to Disassembly and Assembly , RENR9710 , "657G Wheel Tractor-Scraper Engine Supplement"Reference: Refer to Disassembly and Assembly , RENR9712 , "657G Wheel Tractor-Scraper Wheel Tractor Power Train"Reference: Refer to Disassembly and Assembly , KENR8881 , "C7.1 Engines for Caterpillar Built Machines"Reference: Refer to Disassembly and Assembly , SENR9096 , "651E & 657E TRACTOR POWER TRAIN"Reference: Refer to Schematic , M0110863, "651E and 657E Wheel Tractor-Scraper C15 and C18 Engine Repower Electrical System"Safety Section
Do not perform any procedure in this Special Instruction until you have read this Special Instruction and you understand this information. Use only proper tools and observe all precautions that pertain to the use of those tools. Failure to follow these procedures can result in personal injury. The following procedures should be observed.Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs.A person must be alert to potential hazards. This person must also have the necessary training, skills, and tools to perform these functions properly.Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance of a potential hazard.Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. Avoid using a tool, a procedure, a work method, or operating technique that is not recommended by Caterpillar.Ensure that the product will not be damaged or the product will be made unsafe by the operation, lubrication, maintenance, or the repair procedures.
Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.