1997/09/15 Caterpillar

Instrument Panel Lines Groups Changed In Order To Improve Mounting Of The Fumes Disposal Group{1071}

Usage:

3516 (4XF678-Up, 5SJ537-Up, 25Z5862-Up) Generator Set Engines

Description of Change: Tube assemblies are lengthened in order to better accommodate the mounting of the fumes disposal group in the above engines. The tube assemblies are components of the instrument panel lines group.

Adaptable To: The 109-7780 and 109-7781 Tube assemblies are components of the 110-0290 Instrument Panel Lines Group. The 110-0290 Instrument Panel Lines Group is effective with 3516 (25Z5862-Up) Engines.

The 144-6077 Instrument Panel Lines Group is released, allowing the tube assemblies to mount to the engine without interference. The 144-6077 Instrument Panel Lines Group is effective with 3516 (4XF678-Up, and 5SJ537-Up) Engines.

The above changes are adaptable back to first production.

Caterpillar Information System:

1997/09/15 New Exhaust Shield Groups Use Soft Wrap Insulation Instead Of Hot Box Shielding{1067}

1997/09/15 Improvements Made For Exhaust Manifold Groups{1059}

1997/09/15 3406C Pump And Governor Changes Provide Improved Oil And Fuel Leak Resistence{7555}

1997/09/15 New Dual Stage Torsional Coupling Assembly Available For Use With Twin Disc MG 514C Marine Transmissions{3357}

1997/08/01 Changes To Default Overcurrent Settings For EMCP II+ {4490}

1997/08/01 Guidelines For Electrically Grounding Gas Engines {7423}

1997/08/01 Fuel Injector Trim Set Screw {1290}

1997/08/01 New Schedule For Cleaning Unit Injectors In Engines In Heavy Fuel Oil (HFO) Applications {1290}

1997/08/01 New Gear Assemblies With A Stronger Shaft Are Used In Governor Drive Groups {1288}

1997/08/01 Procedures For Changing From Running On Heavy Fuel Oil (HFO) To Running On Distillate Fuel {1280}

1997/08/01 Connecting Rod Bearing Part Numbers {1203,1219,1230}

1997/08/01 Crankshaft Oil Passage Plugs {1202}

1997/09/15 New Spark Plug On G3500 Engines Improves Reliability{1555}

1997/09/15 Self-Locking Bolt Used On Cylinder Block Cover Groups{7553}

1997/09/15 Stainless Steel Bolts Replace The Former Waspaloy Bolts{1059}

1997/09/15 Bellows Replaces Flange And Pipe In Water Aftercooler Groups{1063}

1997/09/15 New Manifold Soft-Wrap Shields Improve Reliability{1067}

1997/09/15 Gas Admission Valve (GAV) Changed In Order To Provide For The Use Of Dial Indicator Settings{1102}

1997/09/15 Procedure For Disassembly And Assembly Of The Pressure Relief Valve{1233}

1997/09/15 New Diagnostic Logic Used In Personality Modules{1901}

1997/09/15 Metal Particle Detector Kit Is Available For Particle Sensor Groups And Particle Detectors{7400}

1997/09/15 Stainless Steel Instrument Panel Lines Groups Are Used{7451}

1997/09/15 New General Maintenance Wall Charts Available{7500}

1997/09/15 Lubricity Limit Added To Preferred Distillate Fuel Recommendation{1280}