0314979 JOHNSON SCREW, Exhaust cover

Introduction
This Special Instruction provides information about the parts and procedures that are required to replace the engine oil pan on the scraper engine of certain 657G Wheel Tractor -Scrapers. Do not perform any procedure in this publication until you understand the information that is contained within this publication. Do not order any parts until you understand the information that is contained within this publication.Important Safety Information
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 in order 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. If used, ensure the safety of the operating personnel and others.
Personal injury or death can result from improper troubleshooting and repair procedures.The following troubleshooting and repair procedures should only be performed by qualified personnel familiar with this equipment.
Personal injury or death can result from machine movement.Place blocks in front of and behind the wheels to make sure the machine does not move while the parking brakes are disengaged.
Do not operate or work on this machine unless you have read and understand the instructions and warnings in the Operation and Maintenance Manual. Failure to follow the instructions or heed the warnings could result in injury or death. Contact your Caterpillar dealer for replacement manuals. Proper care is your responsibility.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
References
ReferenceDisassembly and Assembly, RENR9711, "Engine - Remove"ReferenceDisassembly and Assembly, RENR9711, "Oil Pan - Remove and Install"ReferenceDisassembly and Assembly, RENR8261, "Engine Oil Pan - Remove and Install"ReferenceOperation and Maintenance Manual, "Engine oil and Filter - Change"Required Parts
Table 1
Required Parts    
Item     Part Number     Description     Qty    
1     8N-2104     Suction Bell As     1    
2     4N-0913     Strainer Screen     1    
3     4N-0914     Clip     1    
4     9N-5124     Pump Suction Tube Assembly     1    
5     6N-7249     Suction Bell Support     1    
6     1A-2029     Bolt     5    
7     9X-6458     Hard Washer     2    
8     9N-3167     Plate     1    
9     353-5065     Oil Pan Gasket     2    
10     5M-2894     Hard Washer     3    
11     5P-5846     O-Ring Seal     1    
12     5P-8068     O-Ring Seal     1    
13     152-1711     Oil Pan     1    
14     348-7871     Plate As     1    
15     8T-9377     Bolt     5    
16     8T-4896     Hard Washer     7    
17     376-4724     Plate     1    
18     4L-6459     Bolt     1    
19     8T-4835     Bolt     3    
20     8T-4223     Hard Washer     5    
21     348-7872     Bracket     1