AXLE AR-FIXED 3814365 - Caterpillar

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 2 g03020465This 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. Ensure that the tools, procedures, work methods, and operating techniques are safe. Ensure 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 Aluminum
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 Controlled clearance between turbine wheel and stator
Metco Equipment Type 6P-II
Metco Material Metco 452 or 453
Finished Thickness As required 0.38 mm (0.015 inch)
Finishing Allowance 0.51 mm (0.020 inch) per side
Spray Angle 90°
Substrate Pre-Heat Temperature None
Substrate Temperature During Spraying Not to Exceed 94° C (200° F)
Auxiliary Cooling AJ, if required
Rotation/Traverse Device Lathe or turntable
Rotation/Traverse Speed 91.4 SMPM (300.00 SFPM)
Surface Preparation Method Grit Blast
Finishing Method Machine
Machining Equipment Type Lathe
Recommended Cutter Grade 883 Carboloy or equivalent
Remarks Refer to SEBF8008 "Turbine Wheel for Torque Converters Used with Power Shift Transmissions" for more information on checking for acceptable running clearance after rebuilding.
Avoid large buildups on aluminum as cooling and expansion rates must be closely watched.
Table 4
Flame Spray Process (6P) Procedure Check List
Clean Part Use METCO Cleaning Solvent or equivalent
Undercut Not required
Chamfer All edges - 45° x 0.76 mm (0.030 inch)
Remove Oxide Emery paper or glass beading
Mask for Blast Use metal mask
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 63.5 mm (2.50 inch)
Remove Blast Mask N/A
Mask for Spray Use blast mask and masking compound
Spray Equipment Type 6PII
Auxiliary Cooling Not required
Nozzle 6P7C-B "B" nozzle - requires 6P-600 siphon plug
Air Capacity/Pressure 6P-3/Pinch air - 140 kPa (20.0 psi)
Oxygen Pressure 158.6 kPa (23.00 psi)
Oxygen Flow 962.77 L/h (34.000 cfh)
Fuel