New Turbocharger Turbine Nozzle Provides Higher Boost And Lower Exhaust Temperatures {1052}
Usage:
3516 ( 25Z ) Generator Set Engines
Description of Change: A new turbine nozzle is used in turbine housing on the turbochargers on generator set engines used for prime or continuous power. The new turbine nozzle will provide higher boost and lower exhaust temperatures. This will result in increased service life from the exhaust valves in applications where the engine is operated at steady high loads.
Location of new 4W9132 Turbine Nozzle in 7E0674 Turbocharger Group.
Adaptable To: The new 4W9132 Turbine Nozzle is a direct replacement for the former 2W8330 Turbine Nozzle in the 7E0674 Turbocharger Group. The new nozzle is in effect with 3516 Generator Set Engine 25Z2362.
Caterpillar Information System:
1991/07/22 New Return Spring Used In Unit Injectors {1290}
1991/07/22 New Throttle Actuator In Governor Groups Improves Engine Stability {1289}
1991/07/22 New Video Tape, SEVN1962, Shows Correct Procedures To Counterbore Top Deck Of Cylinder Block And Install Liner Insert {1201,0374,1216}
1991/07/08 Larger Washer And Longer Bolt Used On Magneto Mounting Flange{1552,1556}
1991/07/08 New Crankshaft Seal Groups Provide Increased Protection From Dirt And Dust{1160,1161}
1991/07/08 Full Load Setting (FLS) And Full Torque Setting (FTS) Should Be Correctly Programmed{1901,0782,1257,1908,7557}
1991/07/08 New Dual Service Program Module (SPM) Available{1901}
1991/07/08 Dowel Hole Removed From 8N3946 Governor Housing Improves Service Life{1287}
1991/07/08 Caterpillar Original Equipment White And Yellow Paint Is Available In Aerosol Cans For Touch-Up Purposes{0652,7559,7581}
1991/07/01 Larger 7N1308 Secondary Air Filter Can Be Used In Place Of 1P8482 Secondary Air Filter{1054}
1991/07/01 New Exhaust Manifold Gasket Available{1059}
1991/07/01 New Thermostatic Switches Used In Air Conditioning Systems{7320}
1991/08/12 Do Not Use RTV Sealant On Valve Cover Gaskets{1107,1120,7555}
1991/08/26 New Hose Used To Connect Turbocharger Compressor Outlet To Air To Air Aftercooler (ATAAC) Inlet Tubing {1052,1063}
1991/08/26 Initial Valve Lash Checking Interval Changed {1105}
1991/08/26 New Water Temperature Regulator (With Internal Vent Valve), Regulator Housing, Pipe, And Gasket In Water Lines Group {1355}
1991/08/26 New Exhaust Manifolds And Wastegate Mounting Used On 3508 (2JF), 3512 (4KC), 3516 (3RC) SI Industrial Engines {1059,1057,1065}
1991/08/26 Rectifier and Suppressor Changes to 807, 808, 809 and 815 Frame Generators {4465,4466}
1991/08/26 New Fuel Injection Lines Used On 3306B (63Z) Truck Engines {1252}
1991/09/02 Always Use A Digital Voltmeter For Battery Testing{0785,0709,1401,7468}
1991/09/02 Service Tips For Turbocharger Removal And Installation{1052}
1991/09/02 Service Tips For Cleaning Air-To-Air Aftercooling Systems{1063}
1991/09/02 California Laws Target Excessive Smoke{1250}
1991/09/02 Fuel System Parts Information{1251,1264,1250}