1997/10/20 Caterpillar

Service Interval Change For Extended Life Coolant Extender And Extended Life Coolant{1395,7543,7545}

Usage:

All Caterpillar Machines

The 3000 Service Hours or Three Years service interval is being added for all Caterpillar Machines. This service interval establishes the interval to add Extended Life Coolant Extender to the Extended Life Coolant (one-half of the Extended Life Coolant service life).

The 6000 Service Hours or Six Years service interval is being added for all Caterpillar Machines. This service interval establishes the Extended Life Coolant change interval.

These new service intervals will be included in all Caterpillar Machine Operation and Maintenance Manuals as of November 1997. All current machine Operation and maintenance Manuals will reflect this change as they are revised.

Please mark all machine Operation and Maintenance Manuals to reflect this interval change.

Caterpillar Information System:

1997/10/13 Follow Guidelines When Cleaning And Storing Friction Discs To Improve Service Life{3187}

1997/10/13 Possible Downloading Problem When Truck Payload Measurement V8.0 Is Used With Windows '95{7494}

1997/10/06 Proper Welding Procedure On Machines And Engines With Electronic Controls{1400}

1997/10/06 Service Charts And Decals Available{0374,0375}

1997/09/29 Handling Instructions For Water Pumps{1361}

1997/09/08 3406C Pump And Governor Changes Provide Improved Oil And Fuel Leak Resistence{7555}

1997/09/01 Improvement Provides Better Sealing For Unit Injectors {1290}

1997/08/25 New Parts Manual Format Used For Certain Caterpillar Products{0374}

1997/08/18 "Date Updated" Displayed In Parts Manuals On The Service Information System (SIS) {7567}

1997/08/18 Use Separate Sampling Pump For Oil and Coolant {7542,7577}

1997/08/18 Lubricity Limit Added To Preferred Distillate Fuel Recommendation {1280,7568}

1997/07/28 Protection Of Unsealed Electrical Terminations For Machines Used In Corrosive Applications{1400}

1997/10/27 Significant Improvement For Pump Impellers (Water Pumps){1364}

1997/10/27 History Of Pump Impeller (Water Pump) Changes{1364}

1997/11/03 Proper Welding Procedure On Machines And Engines With Electronic Controls {1400}

1997/11/10 Handling Instructions For Water Pumps {1361}

1997/12/22 Thicker Head Gasket Available For Cylinder Block Salvage Procedure {1124}

1997/12/22 Dry Lubricant Recommended For Use On Door Linkages, Door Seals, And Window Latches {7308}

1997/12/22 New Seat Slider Blocks Reduce Need For Adjustments {7312,7300}

1998/01/19 Machine Flash Software Ordered Through The Parts Distribution System Now Available Through Corporate Mail Box{1900,1920}

1998/01/19 Improved Alpha-Numeric SMCS (Service Management Control System) Component Codes Allow For Future Expansion Of System Categories{0374}

1998/01/19 Use 126-7175 Push Puller Assembly For Various General Purpose Applications{0600}

1998/01/19 Use 1U-9500 Flow Communicator On Caterpillar Diagnostic Tools{1250,0782}

1998/01/26 The 154-6732 Pump Kit Is Available To Help Service The Unit Injector Hydraulic Pump Group On 3408E (99C) And 3412E (80M) Machine Engines {1714}