1999/08/02 Caterpillar

New Oil Pump Group Used {1304}

Usage:

D8R (7XM, 9EM) Track-Type Tractors;
375L (9WL, 1JM) Excavators;
5080 (8SL, 6SK) Front Shovels;
583R (2XS) Pipelayers;
627F (1DL),
621F (4SK) Scrapers;
980G (2KR) Wheel Loaders;
771C (3BJ) Off-Highway Trucks;
D350E (9LR734-Up),
D400E (2YR1279-Up) Articulated Trucks

SUPPLEMENT: SEPTEMBER 13, 1999

Service Magazine, SEPD0483, Article 11, Page 13-14, August 2, 1999; "New Oil Pump Group Used"

In the chart, under the New Idler Gear As. Part No. column, the 161-2682 part number is incorrect. The correct part number should be 162-2682. This correction applies to the rows for the following machines: D8R (7XM, 9EM), 375L (9WL), 5080 (6SK, 8SL), 583R (2XS), 375 (1JM).

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Description of Change: New oil pump groups utilizing steel idler and drive gears are now used on the 3406 and 3408 Engines in the above machines. The new parts will provide a more robust oil pump with longer life characteristics.

Adaptable To: The chart identifies the new oil pump groups and gear assemblies and the former groups used on the engines in the above machines.

Caterpillar Information System:

1999/08/02 Engine Derate Parameter On Electronic Technician And Vital Information Management System May Give False Value {7620}

1999/08/02 Procedure For Converting Standard Controls To Finger Tip Controls {4343}

1999/08/02 Identifying The Engine In A Backhoe Loader {1000,1001}

1999/08/02 Cold Start Advance Solenoid Available {1272,1250}

1999/07/26 New Location For Ground Wire{1408,7423}

1999/07/26 An Improved Throttle Cable Is Available For Certain Soil And Asphalt Compactors{5462}

1999/07/26 Revised Repair Procedure For Large Off-Highway Truck Bladder Type Accumulators{0374,4331}

1999/07/26 New Bracket Assembly And Clamps In Water Lines Groups Provide Improved Tube Retention{1380}

1999/07/26 Improvements Have Been Implemented On The Superstructure Of Large Off-Highway Trucks{7050}

1999/07/26 Filtered Adapter Reduces False Air Filter Warnings{7400,7452}

1999/07/26 Correction To Service Manual Module SEBU6757; Operation & Maintenance Manual{0374,0375}

1999/07/26 The Special Instruction For Installing Universal Lines Kits Is Now Updated{5057}

1999/08/02 914G & IT14G Speeder Models Are Now Standard Production Machines {3000,7000}

1999/08/02 New Flywheel Housing Gasket For 3408 And 3412 Machine Engines {1152}

1999/08/02 New Material Improved Durability for STAY CLEAN VALVE(r) in Caterpillar High Efficiency Fuel Filters {1262}

1999/08/09 Reporting Incidents Through The Cat Neutral Net {0374}

1999/08/09 Extra Support For Center & Rear Brake Lines {4257}

1999/08/09 New Pressure Switches With Improved Reliability {1435}

1999/08/09 New Hydraulic Oil Change Procedure Used {3080,0374,0375,5056}

1999/08/09 New Motor Groups for 914G & IT14G SPDR Machines Provide Increased Serviceability {5058}

1999/08/09 A Special Instruction For Installing Cab Visors Is Available {7301,7310,0374}

1999/08/09 New Design Improves Durability Of Quick Disconnect Nipple {5050,0618}

1999/08/09 Correction To Special Instruction, REHS0494 {7620}

1999/08/17 Use 160-3935 Centering Guide For Aligning Rear Axle Housings {4131}