BOLT-SOCKET HEAD 4907439 - Caterpillar

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This safety alert symbol means:Pay attention!Become alert!Your safety is involved.The message that appears under the safety alert symbol explains the hazard. Operations that may cause product damage are identified by "" labels on the product and in this publication.Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard. The safety information in this document and the safety information on the machine are not all inclusive. You must determine that the tools, procedures, work methods, and operating techniques are safe. You must determine that the operation, lubrication, maintenance, and repair procedures will not damage the machine. Also, you must determine that the operation, lubrication, maintenance, and repair procedures will not make the machine unsafe.The information, the specifications, and the illustrations that exist in this guideline are based on information which was available at the time of publication. The specifications, torques, pressures, measurements, adjustments, illustrations, and other items can change at any time. These changes can affect the service that is given to the product. Obtain the complete, most current information before you start any job. Caterpillar dealers can supply the most current information.Part Description
Table 2
Base Metal     Cast Iron    
Hardness     N/A    Flame Spray Equipment and Procedure
Table 3
Maximum Surface Finish     3.175 Micrometers (125.0000 Microinches)    
Reason for Spraying     Wear    
Mating Part Contact Area & Material     Bearing - press fit    
Metco Equipment Type     6P-II    
Metco Material     452 or 453    
Metco Sealer     185    
Finished Thickness     As required    
Finishing Allowance    
0.64 mm (0.025 inch) per side    
Spray Angle     81° to bore    
Substrate Pre-Heat Temperature    
38° C (100° F)    
Substrate Temperature During Spraying Not to Exceed    
148° C (300° F)    
Rotation/Traverse Device     Lathe or turntable    
Rotation/Traverse Speed    
92 SMPM (300.00 SFPM)    
Surface Preparation Method     Grit blast    
Finishing Method     Machine    
Machining Equipment Type     Lathe    
Recommended Cutter Grade     C-2 carbide
0.79 mm (0.031 inch) radius    
Remarks        
Table 4
Flame Spray Process (6P-II)     Procedure     Check List    
Clean Part     Wash in non-oil base solvent        
Undercut     Not required        
Chamfer     All edges - 45° x
0.76 mm (0.030 inch)        
Remove Oxide     Emery paper or glass beading        
Mask for Blast     Metal mask
61.994 0.020 x 2.5 mm (2.4407 0.0008 x .1 inch) thick        
Blast Equipment     Pressure blast        
Grit Type and Size     G-25 angular steel        
Blast Air Pressure    
620 kPa (90.0 psi)        
Blast Nozzle to Work Distance    
51 mm (2.0 inch)        
Remove Blast Mask     Remove        
Mask for Spray     Use METCO Anti-Bond - Install snap ring in groove        
Spray Equipment Type     6P-II        
Nozzle     6P7C-K "K"        
Air