1998/01/26 Caterpillar

Updated Electrical Schematic Available For 785B And 789B Off-Highway Trucks {0374,4070,0645}

Usage:

785B (6HK523-UP),
789B (7EK371-UP),
Off-Highway Trucks

SUPPLEMENT: MARCH 2, 1998

Service Magazine SEPD0401; January 26, 1998; Page 33; Article 24; "Updated Electrical Schematic Available For 785B And 789B Off-Highway Trucks".

Additional information is required, it should read as follows:

"Updated Electrical Schematics Available For 785B And 789B Off-Highway Trucks".

The SENR1513 Electrical Schematic is effective with 785B (6HK523-UP) Off-Highway Trucks. The SENR1514 Electrical Schematic is effective with 789B (7EK371-UP) Off-HIghway Trucks. The new electrical schematics do not apply to previous models.

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Description of Change: A new color electrical schematic is available through normal literature ordering channels. The new schematic includes the latest engineering changes to Vital Information Management System (VIMS) monitoring system and Rear Axle Lubrication and Filtration System monitoring system.

Adaptable To: The SENR1513 Schematic is effective with 785B (6HK523-Up) and 789B (7EK371-Up) Off-Highway Trucks. The new schematic does not apply to previous models.

Caterpillar Information System:

1998/01/26 New Custom Product Support Literature Available For 776D Tractors And 777D Trucks Equipped With 3Z-6307 Fuel Filter And Heater Group {0374,1261,1296}

1998/01/26 Special Instruction Available For Installing More Reliable Automatic Retarder Control System In Some Off-Highway Trucks {0374,3121}

1998/01/26 New Custom Product Support Literature Available For 773D And 775D Trucks Equipped With 3Z-4542 And 3Z-6270 Automatic Lubrication Groups {0374,7540}

1998/01/26 Sprague Clutch Assembly Rework Procedure {5414}

1998/01/26 C-Series Backhoe Loaders Are Being Updated {1000,0685,0720,1001,1013,1350,3030,7950}

1998/01/26 New Cable Improves Heater Knob Operation {7304}

1998/01/26 145-9910 Stabilizer Lines Group To Prevent Stabilizer Drift Down {5481}

1998/01/26 Improvements To The Tubes (Lift Cylinder) Provides More Clearance For The Front Tires {5057}

1998/01/26 Instructions And Dimensions For Wiring Connector Guards {7150,1408}

1998/01/26 New Radiator Module Hold-Down System Used To Increase Service Life {1353}

1998/01/26 New Custom Product Support Literature Is Available For 24H Motor Graders Equipped With Automatic Lubrication Arrangement {0374,7540}

1998/01/26 Flushing Procedure Available To Ensure Proper Operation Of Implement Control Valves {5051}

1998/01/26 New Clamp Assemblies Used In Air Lines Groups {1071}

1998/01/26 Special Instruction Available For Installing 3516B EUI Engine To 793B Off-Highway Trucks With VIMS {0374,7601,1000}

1998/01/26 Addition Of Valve Assembly To Brake Lines Group Will Provide Access For Field Oil Sampling {4295}

1998/01/26 New Wheel (Cast) And Required High Capacity Bearings Will Increase Service Life {4051,4066,4208}

1998/01/26 Longer Studs Or Bolts And Spacers Will Improve Assembly Between Differential And Differential Housing {3258,3283}

1998/01/26 Increased Material On Rear Suspension Support Castings {7210,7050}

1998/01/26 Air Filter Used In Fast Fill Service Center Groups To Decrease Contamination In Fuel {7513,1273}

1998/01/26 Supplement For Effectivity On Suspension Control Sensor Group {7227}

1998/01/26 Supplement For Rolling Torque Specification {3254,3258,3263}

1998/01/26 Washer Bottle Strap Now Available Through Parts Service {7306}

1998/01/26 New Muffler Assembly And Support Brackets Available {1062}

1998/01/26 Serviceable Parts Available For Fuel Injection Pump Groups {1251}