1999/11/01 Caterpillar


Improved Corrosion Protection For Reman Major Components {3100,3150,4059}

Usage:


Reman Torque Converters, Transmissions, and Final Drives

Reman transmissions and torque converters have improved corrosion protection to prevent rusting of unpainted surfaces during shipment and storage. The addition of Vapor Corrosion Inhibitor (VCI) oil to the test oil creates a vapor action which inhibits oxidation in the internal compartments. Additionally, "Noxrust" contact type rust inhibitor is brushed onto unpainted flange surfaces that are not protected by the VCI. The previous process consisted of spraying a contact type rust preventative on those surfaces, but the rust preventative had to be diluted to a 50 percent concentration to allow spray application.

Torque converters have an additional measure of protection since the rotating torque converter compartment is more open than the transmission compartment. A sheet of VCI paper is wrapped between the rotating torque converter and the external housing to provide increased vapor protection. These improvements were implemented May 11, 1999 on serial number T9287.

Reman final drive groups have also undergone changes to provide corrosion protection for unpainted surfaces during shipment and storage. The addition of Vapor Corrosion Inhibitor (VCI) oil to the test oil for Track-Type Tractor and Wheel Loader final drives and the spraying of VCI oil into the final drive compartments of Off-Highway Truck final drives, creates a vapor action in the internal compartments which inhibits oxidation. "Noxrust" contact type rust inhibitor is sprayed onto unpainted flange surfaces that are not protected by the VCI. The previous process consisted of spraying a contact type rust preventative into the final drive, but the rust preventative had to contact the surface to be effective. These improvements were implemented April 29, 1999 on serial number 17081.

Caterpillar Information System:

1999/11/01 Special Instruction, REHS0434-02, Is Available {0374,6800}
1999/10/25 New Flywheel Housing Gasket For 3408 And 3412 Machine Engines {1152}
1999/10/25 New Hydraulic Accumulator Assembly Procedure Increases Service Life {5077}
1999/10/04 A Special Instruction For Installing New Kickout And Positioner Components Is Now Available {5109,5112,5132}
1999/09/27 Piston And Bladder Type Accumulators: Service Interval And Service Replacements {5077}
1999/09/13 Wider Crankshaft Gear Used {1204}
1999/09/13 New 173-1530 Injector Seating Tool Group Available {0710,1290}
1999/09/13 New Cleanout Filters Available For Hydraulic Systems And Drive Trains {5068}
1999/08/30 Use 9U-6843 And 9U-6845 Reclaiming Stills To Recycle Coolant {0708,1352}
1999/08/30 Tightening Torque Increased For Nuts In Fuel Injector Wiring Harness Cap Assembly {1408}
1999/08/30 Use 165-4638 Guide To Install Exhaust Manifold {1059,0701,0702}
1999/08/30 Use 163-3952 Soda Blaster For Equipment Cleaning {0070}
1999/11/01 138-8440 Component Cleaner May Damage Electrical Connectors {0644}
1999/11/08 Download Flash Files By Using The Caterpillar Service Information System (SIS) Or SIS Web {1901,1920}
1999/11/15 New High Strength Piston Bolts For Threaded Gland Cylinders {5101,5102,5104,5106}
1999/11/22 Ferrule For Valve Mechanism Oil Feed {1102}
Entretien des connecteurs Deutsch HD DT et DRC Entretien des connecteurs Deutsch HD DT et DRC
Installation Of 6N6193 Governor Adapter Plate Service Group{1264} Installation Of 6N6193 Governor Adapter Plate Service Group{1264}
Installation Of Sleeve Metering Fuel Injection Pump And Governor Service Groups{1286} Installation Of Sleeve Metering Fuel Injection Pump And Governor Service Groups{1286}
Installation Of 5P4810 Bearing In Sleeve Metering Fuel Injection Pump Housing{1253} Installation Of 5P4810 Bearing In Sleeve Metering Fuel Injection Pump Housing{1253}
Installation of 0R1210 or 0R1211 Undersize Crankshafts{1202, 1230} Installation of 0R1210 or 0R1211 Undersize Crankshafts{1202, 1230}
Installation Of Service Flywheel Groups For 3406, 3408 And 3412 Engines{1156} Installation Of Service Flywheel Groups For 3406, 3408 And 3412 Engines{1156}
2W716 Turbocharger Cartridge Repair Kit{1053} 2W716 Turbocharger Cartridge Repair Kit{1053}
2W718 Turbocharger Cartridge Repair Kit{1053} 2W718 Turbocharger Cartridge Repair Kit{1053}
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