1996/10/14 Caterpillar

New Instrument Panel Lamps Used To Prevent Film Damage {7451}

Usage:

784B (5RK) Tractors;
785 (8GB),
785B (6HK),
789 (9ZC),
789B (7EK),
793 (3SJ),
793B (1HL),
793C (4AR) Trucks

SUPPLEMENT: 06/09/97

Service Magazine; October 14, 1996; Pages 11-12; "New Instrument Panel Lamps Used To Prevent Film Damage" for 784B Tractors, 785 (8GB), 785B (6HK), 789 (9ZC), 789B (7EK), 793 (3SJ), 793B (1HL), 793C (4AR) Trucks.

This article does not apply to the 793C (4AR) Trucks with VIMS. Elimates references to the 793C (4AR) Trucks. Add the following sentence to the article:

This article does not apply to trucks with VIMS.

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

Description of Change: Lower power lamps are used in instrument panels to prevent panel film damage.

Adaptable To: The new 8D-1429 Lamps directly replace the former 7N-5876 Lamps. The new 8D-1429 Lamps are effective with 784B (5RK23) Tractor, 785B (6HK625), 789B (7EK486), 793B (1HL525), and 793C (4AR80) Trucks. The new 8D-1429 Lamps are adaptable to all earlier machines including 785 (8GB), 789 (9ZC), and 793 (3SJ).

Typical view of new 8D-1429 Lamps (1) in 2A-6503 Instrument Panel Group (not serviced).

Caterpillar Information System:

1996/10/14 Guide Assemblies From Body Mounting Group Are No Longer Necessary On The Truck Rails To Reduce Stresses In The Frame {7258}

1996/10/14 New Seals Available In Seal Kit For Steering Pump Groups And Hoist Pump Group To Improve Service Life {5073,5083,4306}

1996/10/14 Stronger Baffle Tube Assembly For Hydraulic And Transmission Tank {5056}

1996/10/14 New Splined Boom Foot Pins Used For Improved Lubrication {6504}

1996/10/14 Quieter Operating Check Valve Used In Tank Return Line {5067,5129}

1996/10/14 New Poppet Valve Group Used In Lines Relief Valve Groups To Prevent Excessive Implement Drift {5117}

1996/10/14 Improved Alternator Adjustment Strap And Retention Hardware Used To Maintain Belt Tension {1405}

1996/10/07 Parts Manuals May List Air Conditioning Compressors Incorrectly {1802,1809,7320}

1996/10/07 Effectivity Of Upgrades To Remanufactured Transmissions, Torque Converters And Wheel Assemblies {3001,4051}

1996/10/07 New Fuse Cap Available {1417}

1996/10/07 Special Instruction SEHS9983 Available For Installation And Adjustment Of Truck Body {7258}

1996/10/07 New Hoist Rotary Switch Assembly Used To Increase Reliability {1400}

1996/10/14 A New Hoist, Retarder, And Turn Signal Levers Now Used To Prevent Loosening {1430,3121}

1996/10/14 Brake Actuator Spring Now Serviced {4262}

1996/10/14 New Front Suspension Arms Now Used To Increase Service Life {7200}

1996/10/14 Improved O-Ring Seal On Turbocharger Drain Tubes {1052}

1996/10/14 Alternator Circuit Breaker May Cause Loss Of Joystick Operated Functions {1420}

1996/10/14 Improved Mounting For Transmission Oil Filler Tube Prevents Tube Cracking {3014}

1996/10/14 Make Sure Brake Hose Is Clear Of Engine Oil Pan {4257}

1996/10/14 Changes Made To CETOP 3 Control Valve {5000}

1996/10/14 Be Sure To Remove Clip From Inside Coupling Assembly When Replacing Hydraulic Pump {5062,1017}

1996/10/14 Improved Lubrication Of Attachment Coupler Bushing {5133}

1996/10/14 Avoid Damage To Boom And Attachment Control Joystick {5700}

1996/10/14 Elimination Of Vibration And Squealing In Three Section Booms {6460}