Thicker Flanges Provide Improved Sealing In Turbocharger Group {1052}
Usage:
3508B (2BM123-Up, 3DM98-Up, 7SM96-Up),
3512B (2GW216-Up),
3516B (3CW228-Up) Marine Engines;
3508B (5PS208-Up) Locomotive Engines
Description of Change: Thicker flanges have been added to the turbocharger group on these engines. The thicker flanges will provide improved exhaust sealing capability. The use of the new thicker flanges requires new bellows and longer bolts.
Identification of new components in the 107-9524 Turbocharger Group.
Adaptable To: The new components in the 107-9524 Turbocharger Group are identified in the illustration and chart. The new components are in effect as listed in the subtitle. When used together, the new components are direct replacements for the former components listed in the chart.
Caterpillar Information System:
1998/07/01 114-2410 Digital Pyrometer Battery Shelf Life Extended {0776,7466}
1998/07/01 Priming The 144-0835 Unit Injector Hydraulic Pump {1714}
1998/07/01 Be Sure To Heat The Gear To The Correct Temperature When Installing The Crankshaft Gear {1204}
1998/07/01 New Camshaft Gasket Used In Front Housing Groups {1150,1162,1166}
1998/07/01 New Basic Water Pump Groups Used In Engine Water Pump Groups {1361}
1998/07/01 Improved Fuel Lift Pump For 3054 Engines {1250,1256,1258}
1998/06/01 Correction To Service Manual Module, RENR1253, Electronic Modular Control Panel II+ (EMCP II+) For MUI Engines{4490}
1998/06/01 New 157-1946 Air And Temperature Control Group (Cabinet Cooler) Available For Marine Monitoring System (MMS){7451}
1998/06/01 Improved Gas And Air Pressure Module{1901}
1998/06/01 New Variable Timing Control Box Assemblies (Magneto Interface Boxes) Provide Increased Moisture Resistance{1552}
1998/06/01 Replacement 124-3548 Mini Fuse Available For Caterpillar Ignition System (CIS){1550}
1998/06/01 New Cable Tray Mounting Groups Are Used For Wiring{1408}
1998/07/01 Use The Correct Procedure For Installation Of Cylinder Head Bolts {1100,7553}
1998/07/01 New Remanufactured 3500 Engine Connecting Rod Results From Improved Remanufacturing Processes {1218}
1998/07/01 New Counterweight Bolt Assembly Replaces Bolt And Washer {1231}
1998/07/01 Special Instruction About Installation And Commissioning Procedures For The 3600 Marine Monitoring System Available {0374,7490}
1998/07/01 New Special Instruction Available To Replace The Standard Aftercooler With The High Performance Aftercooler {0374}
1998/07/01 New Main Bearing Studs With Oversize Thread Available {1224}
1998/07/01 Effects Of Corona On Spark Plugs {1555}
1998/07/01 Gas Engine Technical Publications {0374}
1998/07/01 Circuit Breakers Are Changing From Red To Blue Reset Buttons {1420}
1998/08/01 Lower O-Ring Seal Removed From Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Groups {1290}
1998/08/01 3116 And 3126 Marine Engine Oil Requirements And Air System Maintenance {1318,1050}
1998/08/01 New Steel Thrust Plate Replaces Bronze Thrust Plate In Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Pump Drive Groups {1714}