1991/04/15 Caterpillar


New Auxiliary Water Pump Used; New Chart Lists Auxiliary Water Pump Group Numbers, Pulley Sizes, And Drive Belts{1371,1357,1384}

Usage:


3208 ( 75V, 01Z ) Marine Engines So Equipped

SUPPLEMENT: 07/27/92

Service Magazine; April 15, 1991; Page 5; "New Auxiliary Water Pump Used; New Chart Lists Auxiliary Water Pump Group Numbers, Pulley Sizes, And Drive Belts," for 3208...75V, 01Z Marine Engines so equipped.

In the first sentence of the Adaptable To section, the part number of the 4P3496 Adapter is not correct. The correct part number is the 7E3393 Adapter.

Under the chart, the part number of the 4P3494 Adapter in Footnote 5 is not correct. The correct part is the 7E3393 Adapter.

--------------- END SUPPLEMENT ---------------

Reference: Engine News; Special Edition; September 5, 1990; Major Improvements and Service Information for 3208 (01Z, 75V, 93Z) Marine Engines.

Description of Change: A new auxiliary pump group (sea water) is used on 425 hp Marine Engines. The inlet port of the new pump has 1.5 inch NPT threads. An adapter is available to convert from the 1.5 inch NPT thread to 2 inch hose.

Adaptable To: The new 7E4115 Auxiliary Pump Group, when used with a 4P3496 Adapter, is a direct replacement for the former 9Y1304 Auxiliary Pump Group in the 7E0410 Auxiliary Pump Group. The former pump group is canceled. The new pump group and adapter are in effect with 425 hp 3208 Marine Engine 01Z22623.

The chart lists auxiliary water pump information for 3208 Marine Engines.

Caterpillar Information System:

1991/04/15 New Specification For Transmission And Drive Train Oil (TDTO){0645,3004,3150,3179}
1991/04/15 Simplified Battery Test Procedure SEHS7633-02 And Battery Test Sheet SEHS9326 Available{1401}
1991/04/08 Remote Mounted Pressure Sensor Used In Temperature And Pressure Control Group In Electronic Modular Control Panel (ECMP){4490}
1991/04/08 New Carburetor Control Leakage Improves Idle Stability{1266}
1991/04/08 New Bolt Improves Retention Of Backplate To Housing Assembly In Turbocharger Cartridge Groups{1052,1053,1056,7553}
1991/04/08 Two Different Air Inlet Heater Control Modules Available{1090,1087,1058}
1991/04/01 Continuous Single Cylinder Misfire When Engine Is Under Load {1552}
1991/04/01 Remanufactured Type 1 Fuel Injector Assembly Available For 3500 Family Of Engines Equipped With UG8 Governors {1254,1264}
1991/04/01 Fuel Injection Pump Bushing Torque Increased {1253}
1991/04/01 New Performance Category For Engine Crankcase Oil {1318}
1991/04/01 Correct Position Of Lockwashers For Electrical Components With Screw Terminals {1400,7553}
1991/03/25 New Cylinder Blocks And Crankshafts Used{1201,1202,1231}
1991/04/15 New Shaft Bracket And Oil Supply Plug Used In Rocker Valve Shaft Assembly{1102,7553}
1991/04/15 New Oil Filter Element Assembly Used In Oil Filter Groups{1318}
1991/04/22 Procedure For Applying 1U8846 Gasket Maker{0648,7555}
1991/04/22 Procedure To Set Voltage Droop On SR 4 Generators With VR3 Voltage Regulators Using Resistive Load Bank{4475,4467}
1991/04/22 6L7896 Starting Motor (24V DC) Is No Longer Available From Caterpillar{1453}
1991/04/22 New Diagnostic Code 28 "Check Throttle Sensor Adjustment" Is On 1991 Engines{1900}
1991/04/22 Special Instruction, SEHS9340, Gives Jacket Water Heater Installation Procedures{1383}
1991/04/22 Improved Turbocharger Water Lines Group Eliminates Tube Cracking And Coolant Loss{1380,1052}
1991/04/22 Corrections For Systems Operation, Troubleshooting, And Specifications For 2301 Electric Governors For Generator Set And Industrial Engines, SENR2928-01{1289}
1991/04/29 Remove And Clean Flame Arrestors At Each Top End Overhaul{1058,1087}
1991/04/29 How To Obtain Military Manuals On Caterpillar Equipment{0374,0375}
1991/04/29 Inlet Air Temperature Sensor Added And Fuel Pressure Sensor Removed From Engine Control System{1900}
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