Improved Cab Harness Accommodates Additional Relay {1408}
Usage:
416C (1WR, 1XR, 4ZN, 5YN),
426C (1CR, 1ER, 1MR, 1NR, 1YR, 1ZR, 6XN, 7WN),
428C (8RN, 2CR),
436C (1FR, 1GR, 1PR, 1RR, 2AR, 2BR, 8TN, 9JN),
438C (1JR, 1TR, 2DR, 9KN) Backhoe Loaders
Description of Change: A harness in the cab has been replaced. The new harness adds an additional accessory relay to reduce current to the primary relay. The new relay reduces overloads and addresses reports of failed accessory relays.
Adaptable To: The 161-6624 Harness replaces the 9R-9897 Harness. An additional 3E-9362 Relay will be required when installing the new cab harness. The effectivity of this change is listed in Chart 1.
Caterpillar Information System:
1999/05/03 New Wiring Harness Assemblies Used On 3500B Machine Engines {1408}
1999/05/03 Improved Main Fuel Tank Available {1273}
1999/04/26 Available Rebuild Options For Flexxaire Fans{1356}
1999/04/26 Flexxaire Fan Interactive Product Guide CD Now Available{1356}
1999/04/26 Stronger Brush Springs Improve Actuator Service Life On Flexxaire Fans{1356}
1999/04/26 Serviceable Cover Group-Protection Available{5258,1408}
1999/04/26 New Pulse Width Modulated Steering Sensor Now Available{4800}
1999/04/26 New Oil Pump Group Used{1304}
1999/04/26 Correction To Special Instruction SEHS9737; "Rework Window Regulator On Operator Door"{7308}
1999/04/26 Proper Adjusting Of Body Down Or Up Switch{7258}
1999/04/26 Wheel Bearing Adjustment Procedure For 789 Cast Wheel And High Capacity Bearings{4051,4066,4208}
1999/04/26 New Wheel (Cast) And Required High Capacity Bearings Will Increase Service Life{4051,4066,4208}
1999/05/03 144-0835 Pump Enhancements {1714}
1999/05/03 Serviceable Parts Available For Low Pressure Turbocharger In Low Altitude Engine Arrangement {1052}
1999/05/03 Weld Procedure For Field Repair Of Certain Large Off-Highway Truck Differential Housings {4050}
1999/05/03 New Engine Oil Filler Used {1316}
1999/05/03 Correction To Testing And Adjusting Manual RENR2115-01; Torque Converter Stall And Implement Pump Double Stall - Test {0374,3101,5055,7000}
1999/05/03 Correction To Engine Oil Change Interval {1348}
1999/05/03 Installation Procedure For The Fuel Injection Plate On The 914G/IT14G {1251}
1999/05/03 Fully Hydraulic Brake System Now Standard Production {4251}
1999/05/03 Corrections To Electrical System Schematics SENR6735, SENR6737, SENR5985, And SENR1229 {1400}
1999/05/03 Electroplated Axle Mounting Hardware Requires Changes In Torque Procedure And Specifications {3268}
1999/05/03 Improved Gas Springs Increase Service Life {7254}
1999/05/03 Identification Of Minifuses, Minifuse Blocks, And Minifuse Locks For Operator Station Instrument Panel {7451,1417}