1997/02/17 Caterpillar

Rings Can Be Installed In The Rear Suspension Group To Improve Bushing Service Life {7217}

Usage:

D250E (5TN),
D300E (7FN) Articulated Trucks

Description of Change: The rear suspension group has been changed to improve the service life of the 7U-7292 Bushings. The change was made to the spindle and end cap to give more contact area on the bushings. This new spindle and 133-6941 Cap (end cap) change was in effect with D250E (5TN494) and D300E (7FN312) Articulated Trucks.

Adaptable To: For earlier machines, 133-5865 Rings are available that go between the inner bushing and spindle and the outer bushing and original end cap. The 133-5865 Rings will increase the service life of bushings on machines in the field.

NOTE: The 133-5865 Rings and 133-6941 Cap were in effect with D300E (7FN1) Articulated Trucks.

Location of Components (1) 133-5865 Rings. (2) Spindle. (3) Original end cap. (4) Bushings.

Caterpillar Information System:

1997/02/17 Guards Fitted To The Drive Axle Groups To Protect The Hydraulic Brake Fittings From Rock Damage {4257,3278}

1997/02/17 Service Parts Available For Tube Kit For Hydraulic Pump Group {5070}

1997/02/17 New Plug-Orifice Increases Oil Flow In Bucket Control Valve Group {5122}

1997/02/10 Improved Spacer Plate Assembly Procedure For Telehandler Transmissions {3030,7551}

1997/02/10 Correct Procedure To Adjust Rear Axle Brake Actuators {4267,4004}

1997/02/10 Muffler Bracket Improved And Engine Ground Cables Changed {1062,1408}

1997/02/10 Service Parts Now Available For Brake Valve Group {4250}

1997/02/10 Procedure For Checking Inter Axle Differential Operation {3264}

1997/02/10 Special Instruction SEHS9836 Available For Retrofitting A 785B Off-Highway Truck With Vital Information Management System (VIMS) {7601,7490,0757,1408,7494,4294}

1997/02/10 Additional Bracket Assemblies Added To Muffler Group to Improve Muffler Mounting {1062}

1997/02/10 New Circle Segments Improve Retention {6152}

1997/02/10 Drive Chain Master Link Roll Pin Is Now Serviced {3261}

1997/02/17 Fuel Gauges Now Available {7450,7481,7483,1273}

1997/02/17 Wiring Harness Modification Improves Service Life Of The Cab Wiring Group {1435,1400,1408}

1997/02/17 New Flow Control Valve For Water Spray System Available {5614,5137}

1997/02/17 Improved Speed Sensor Group Used {1907}

1997/02/17 VIMS-PC Version 2.1 Now Available {7601}

1997/02/24 New Tube Assembly And Associated Hardware In The Engine Turbocharger Oil Lines Group {1307}

1997/02/24 New Tooling Simplifies Steering Pump Neutral Adjustment {5070,0738}

1997/02/24 Some Service Parts Available For Engine Fuel Injection Pump {1251}

1997/02/24 New Water Temperature Regulator Improves Cab Heating In Cold Weather Conditions {1350,1355}

1997/02/24 New Hydraulic Oil Temperature Sender And Hydraulic Oil Temperature Gauge More Responsive {7450,7488}

1997/02/24 Special Instructions Now Available For 793C Off-Highway Truck Assembly Procedure {0374}

1997/02/24 New ECM Controlled Variable Speed Fan Clutch Group Available {1356}