New Voltage Sensing Transformer Improves Reliability {4477}
Usage:
All SR4B Generators Used On 3500 Engines
Description of Change: The internal wiring connections of the transformer are stronger. The entire transformer has been encased in a potting compound to prevent internal wire motion. The new transformer uses the same connections as the former transformer. See the wiring diagram below for proper connections.
Illustration 1.
Improved Voltage Sensing Transformer Wiring Diagram
Adaptable To: The former 128-5314 Transformer and 137-2493 Transformer have been replaced by the 154-3488 Transformer.
Caterpillar Information System:
1999/06/01 Rain Protection Shield Assemblies Available For Engine Junction Box And Engine Supervisory System (ESS) Control Panel {7426,7490,7555}
1999/06/01 Replacement Frequency Transmitters Must Be Reconfigured For Marine Monitoring System (MMS) {7400}
1999/06/01 Postlube Feature Added To Marine Monitoring System (MMS) {7400,1319}
1999/06/01 Change The Marine Monitoring System (MMS) Default Setting To Prevent Filling The Hard Drive {7400}
1999/06/01 Improved Oil Level Contactor Groups {1326,7450}
1999/06/01 New Transformer Group Has New Transformer Assembly For Improved Reliability {1561}
1999/06/01 New Breather Group And Additional Fumes Disposal Group Used {1317}
1999/06/01 Suggested Ways To Increase 3500 Unit Injector Service Life {1290}
1999/06/01 New Camshaft Cover Seal, Crankshaft Cover Seal, And Valve Cover Seal Help Prevent Oil Leaks {1107,1150,1200}
1999/06/01 New Exhaust Shield Group For Dry Exhaust Manifold Engines Has Updated Shield Assemblies {1059,1061,1067,1073}
1999/06/01 Several New Service Manuals And Revised Service Manual Modules Available {0374,1000}
1999/06/01 New Automated Cylinder Cutout Test Available With Electronic Technician (ET) Version 2.4 Software Release {0781,1920}
1999/07/01 New Stronger Bolts and Washers Help Prevent Oil Leaks At Rear Power Take Off (RPTO) Flywheel Housing To Block Joint {1157}
1999/07/01 New Position Sensor Group (Throttle) {1913}
1999/07/01 New Basic Fuel Transfer Pump Group Includes New Outer Lip Type Seal {1256}
1999/07/01 New Fuel Priming Pump Assemblies Used {1258}
1999/07/01 Be Sure The Cylinder Head Bore For the Unit Injector Is Clean When the Unit Injector Is Replaced {1290}
1999/07/01 O-Ring Seals Included On Terminal Assembly For The Electronic Ignition System (EIS) Transformer Group {1561}
1999/07/01 "Guidelines For 3600 Heavy Fuel Oil (HFO) Engines" Has Been Revised {0374,1000}
1999/07/01 Operation And Maintenance Manual For 3600 Diesel Marine Monitoring System Has Been Revised {0374,7490}
1999/07/01 Worldwide Listing Of ABB Turbocharger Service Stations {1052}
1999/07/01 High Performance Aftercooler (HPAC) Parts Kits Available {1063}
1999/07/01 New Piston Assembly Used {1214}
1999/07/01 New Connecting Rod Bolt Tightening Procedure {1218}