1999/03/01 Caterpillar


Fan Pulley/Adapter Changes Summarized{1356,1384,1359}

Usage:


Challenger 65E (6GS),
Challenger 75E (6HS),
Challenger 85E (6JS),
Challenger 95E (6KS) Agricultural Tractors

Description of Change: Several improvements have been made to the engine fan pulley and fan adapter to increase reliability on Challenger E Series Tractors. The following table summarizes the changes:

Adaptable To: The improvements to the fan adapter and pulley mounting are a direct replacement for the earlier designs, and are retrofittable to all E Series machines.

Caterpillar Information System:

1999/03/01 Stronger Floatpin Design Available{5102,7120}
1999/02/22 Shielded Metal Arc Welding And Flux Cored Arc Welding Information {0679}
1999/02/22 New Radiator And Oil Cooler Mounting Configuration {1350}
1999/02/22 New Improved Tow Point Roller Design Now Being Used {6600}
1999/02/22 Correction To Service Brake Disc Information {4250,4255,7473}
1999/02/22 PS-360B Tires {4203}
1999/02/22 3116 Engine Oil Capacity {1326}
1999/02/22 New Scraper Available For Asphalt Compactors {6607}
1999/02/22 Vibratory Relief Pressure Increased To Shorten Vibratory Start And Stop Times {5652}
1999/02/22 Use Special Care With 143-3629 O-Ring Seals {1071}
1999/02/22 Production Process Change Eliminates Anti-Rotation Retaining Pin In Rear Wheel Station For Certain Off-Highway Trucks {4208,4234}
1999/02/22 Improved Steering Spherical Race Bearing Available {4303,4300}
1999/03/01 Special Instruction, REHS0103-01, Available For Procedure For Dynamometer Test For Power Take-Off{3107}
1999/03/01 Supplement To Correct Manual Modulation Pedal Adjustment{3059,3071}
1999/03/01 Improved Brake Switch Now Used{4262,1408}
1999/03/01 New Flywheel Housing Gasket For 3406 Machine Engines{1157}
1999/03/01 New Water Pumps With Improved Resistance To Shock Loads Used{1361}
1999/03/01 New Tie-Down Available For Asphalt Paver{6600,6100,6300}
1999/03/08 Software Improvements {7620}
1999/03/08 Use 155-1557 Gauge For Scraper Adjustment On Cast Steel Drive Wheels {4199,0766}
1999/03/08 New Seal Installers For Mid-Rollers And Idlers {4159,4180}
1999/03/08 Supplement To Add Fill Instructions On All Wheel Drive Pump In D&A Manual {3203}
1999/03/08 Supplement To Add Fill Instructions On All Wheel Drive Pump In OMM Manual {3203}
1999/03/08 New Basic Fuel Transfer Pump Group Includes New Outer Lip Type Seal {1256}
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