1996/06/12 Caterpillar

New Personality Modules For 3412 Generator Set Engines{1902}

Usage:

3412 (2WJ) Generator Set Engines

Reference: Special Instruction SEHS9970, "New Personality Modules For 3412 Generator Set Engines".

Description of Change: New personality modules have been released to update and upgrade 3412 Generator Set Engine parameters. These new personality modules replace former canceled modules. The new personality modules will provide programming for five gain parameters, one throttle control mode, one high idle speed, and one low idle speed.

Adaptable To: The new personality modules listed in the second column of Chart A replace the cancelled personality modules listed in the third column.

NOTE: Refer to Special Instruction SEHS9970, "New Personality Modules For 3412 Generator Set Engines", for additional information that is necessary for the update and upgrade of the 3412 Generator Set Engine parameters.

Caterpillar Information System:

1996/06/12 Incorrect Full Torque Setting Values Displayed On Engine Information Tags{1901}

1996/06/12 New O-Ring Seal Improves Engine Initial Combustion Gas Sealing{1290}

1996/06/12 New Woodward Governor PSG Groups Improve Engine Stabability{1264,1265}

1996/06/12 Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}

1996/06/12 Be Sure To Use Correct Stainless Steel Sleeve In Exhaust Ports{1059}

1996/06/12 Formed Rubber Hose Replaces Cast Iron Elbow In Radiator Groups; Be Sure To Use The Correct Water Temperature Regulator{1353}

1996/06/12 Troubleshooting Information{7569}

1996/06/12 Part Number And Application Guide For Oil, Fuel And Transmission Pressure Senders And Water Temperature Senders{1924}

1996/06/12 Check Cooling System If Exhaust Manifold Or Cylinder Head Gasket Is Damaged{1350}

1996/05/09 New Programmable Logic Control With In-Phase Monitor For Contactor Type Automatic Transfer Switches{4469}

1996/05/09 New Software For The Customer Communication Module{1926}

1996/05/09 Woodward Control Assemblies Have Changed Part Numbers To Provide The CE Marking For Electromagnetic Compatibility (EMC) Directives{1264}

1996/06/12 Higher Capacity Oil Pump Used{1304}

1996/06/12 Selection Of Service Harness For Engines With Electronic Ignition System{1408}

1996/06/12 New Part Kits Available For SR4B Generators{4469}

1996/06/12 Start-Up Procedure After Rebuild{1000}

1996/06/12 Turbocharger Nozzle Cleaning{1052}

1996/06/12 Improvements To Check Valve Within Prechamber Group Reduce Maintenance Schedule{1106}

1996/06/12 New Components In Accessory Drive Group And Alternator Drive Group Provide Improved Serviceability And Help Prevent Oil Leaks{1207,1425}

1996/06/12 New Hose Assembly And Clip Replaces Former Tube Assembly{1318}

1996/06/12 Preventive Measure For Protection Of Air Prelube Pumps{1319}

1996/06/12 Field Installation Procedure For Stator Thermocouples and RTDs{7498,4453}

1996/06/12 New Oil Pump Used As Service Replacement{3310}

1996/07/22 New Bench Checking And Setting Procedure For Fuel Ratio Control (FRC) Mechanical Goverened Engines{1264,1265}