NUT-HEX FLANGE 3039445 - Caterpillar

Improper operation, lubrication, maintenance or repair of this product can be dangerous and could result in injury or death.Do not operate or perform any lubrication, maintenance or repair on this product, until you have read and understood the operation, lubrication, maintenance and repair information.
Safety precautions and warnings are provided in this manual and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons.The hazards are identified by the safety alert symbol which is followed by a signal word such as danger, warning, or caution. The "" safety alert symbol is shown below.
Illustration 1 g02982080
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, or the 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 µ m (125.0000 µ in)    
Reason for Spraying     Wear, Erosion    
Mating Part Contact Area & Material     Metal expansion ring    
Metco Equipment Type     6P-II    
Metco Material     452 or 453    
Metco Sealer     Not required    
Finished Thickness     As required    
Finishing Allowance    
0.51 mm (0.020 in) per side    
Spray Angle     90° to bore    
Substrate Pre-Heat Temperature    
38° C (100° F)    
Substrate Temperature During Spraying Not to Exceed    
149° C (300° F)    
Auxiliary Cooling     METCO AJ, if required    
Rotation/Traverse Device     Lathe or turntable    
Rotation/Traverse Speed    
91.44 SMPM (300 SFPM)    
Surface Preparation Method     Grit Blast    
Finishing Method     Machine    
Machining Equipment Type     Milling machine or lathe    
Recommended Cutter Grade     883 grade Carboloy or equivalent    
Table 4
Flame Spray Process (6P)     Procedure    
Clean part     Degrease in hot caustic solution    
Undercut     Not required    
Chamfer     All edges - 45° x
0.76 mm (0.030 inch)    
Remove oxide     Use 60 grit emery paper or glass beading    
Mask