AIR COMPRESSOR GP 7N2850 - Caterpillar

3508 (96Y) Marine;
3512 (50Y, 66Z) Marine;
3516 (29Z, 72Z) Marine;
3516 (27Z) Industrial;
3516 (25Z) Generator Set EnginesDescription of Change: New bellows assemblies are used in the turbocharger groups on the above engines. See the illustration. The new bellows assemblies will provide increased reliability and easier assembly.
Typical location of new bellows assemblies and half flanges.Adaptable To: The new and former components of the turbocharger groups are identified in the charts. The new components are in effect as follows: * Chart A is for 3508 Marine Engine 96Z1232-Up and 3512 Marine Engine 66Z474-Up.* Chart B is for 3512 Marine Engine 50Y1043-Up and 3516 Marine Engine 72Z438-Up.* Chart C is for 3516 Marine Engine 29Z1004-Up, 3516 Industrial Engines 27Z, and 3516 Generator Set Engines 25Z.The former components identified in the charts are canceled and replaced by the new components. The new components, when used together, can be used on all earlier engines.