New Dual Stage Torsional Coupling Assembly Available For Use With Twin Disc MG 514C Marine Transmissions{3357}
Usage:
3406C (4TB) Engines Equipped With Twin Disc MG 514C Marine Transmissions
Description of Change: A new dual stage coupling is available for use with the Twin Disc MG 514C Marine Transmissions. The new coupling replaces the former drive ring, 26 rubber blocks and drive spider assembly. The new coupling assembly is a dual stiffness flexible coupling. This coupling is very soft torsionally at low loads and stiffer at higher loads. This dual stage coupling feature will help prevent gear chatter that can sometimes occur when running the engine at very low speeds.
Adaptable To: The new 134-5535 Coupling Assembly is available for use on 3406C (4TB) Engines equipped with Twin Disc MG 514C Marine Transmissions.
Caterpillar Information System:
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}
1997/08/01 New Torque Specification For Some Bolts In Valve Mechanism Group {1102,1123}
1997/08/01 Revised Starting Procedure For Engines Using Kiene Valves {1100}
1997/08/01 New Manual Valve Group [Measure Cylinder Pressure (Kiene® Valve)] Used; Kiene Valve Installation Procedure {1100,1118}
1997/08/01 Installation Procedure For Cylinder Head Studs {1100}
1997/09/15 3406C Pump And Governor Changes Provide Improved Oil And Fuel Leak Resistence{7555}
1997/09/15 Improvements Made For Exhaust Manifold Groups{1059}
1997/09/15 New Exhaust Shield Groups Use Soft Wrap Insulation Instead Of Hot Box Shielding{1067}
1997/09/15 Instrument Panel Lines Groups Changed In Order To Improve Mounting Of The Fumes Disposal Group{1071}
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}