1994/08/08 Caterpillar

Additional Clamp Used In Fuel Injections Lines Groups{1252}

Usage:

Caterpillar Machines Powered By 3412 (73W) Machine Engines

Description of Change: An additional clamp is used in the fuel injection lines groups on the engines in these machines. This clamp goes between the number 8 and number 10 fuel injection lines. See the illustration. The additional clamp will reduce vibrational stress and provide improved reliability.

Location of the new clamping components in the fuel injection lines groups. 6N-5124 Clamp (1). 7N-4417 Clamp Assembly (2). 6H-9954 Screw Assembly (3).

Adaptable To: The new 6N-5124 Clamp (1), 7N-4417 Clamp Assembly (2) and 6H-9954 Screw Assembly (3) have been added to the fuel injection lines groups. The new components are in effect with 3412 Machine Engines 73W15586 and adaptable to 3412 Machine Engines 73W9043-Up.

Caterpillar Information System:

1994/08/08 SOS Allowable Soot Level Changed{1318}

1994/08/08 Procedure To Disable Top Gears On Small Wheel Loaders And Integrated Toolcarriers{3168}

1994/08/08 Heavy Duty Alternator Available For Landfill Compactor{1400}

1994/08/08 New Covers Protect Inverted Rear Suspension Cylinders{7164}

1994/08/08 Body Mounting Plate Can Contact Front Service Brake Roto Chamber{4262,4266,7258}

1994/08/08 External Fuel Tank Wear And Corrosion Can Be Prevented{1273}

1994/08/08 New Front Engine Support Available For Parts Service{1153}

1994/07/25 New Locking Plate And Thrust Flange Used In Hitch Drive Shaft Group{7051}

1994/07/25 A New SEPD0208 Special Edition Service Magazine Available For "D" Series Articulated Trucks{0374}

1994/07/25 Spacers Used To Eliminate Noise Due To Lateral Hoist Cylinder Movement When The Body Is Raised{5102}

1994/07/25 Maintenance Interval For Steering Components, Hoist Cylinder Bearings And Rear Axle Housing "A" Frame Bearings Has Changed{7521,7551}

1994/07/25 Correct Position Of Clamp Assembly Is Required To Prevent Tie Rod Damage{4318,4329}

1994/08/08 Improved Air Starter Motor Housing and Silencer (Lighter Weight){1451}

1994/08/15 New Piston With Lower Top Ring Position{1225}

1994/08/15 New Parking And Secondary Brake Switch Is Now Available{4282}

1994/08/15 Rear Suspension Group Is Inverted For Improved Seal Life{7213}

1994/08/15 Higher Output Alternator And New Heavier Mounting Group Improves Service Life{1405,1406,1400}

1994/08/15 Use Procedure To Adjust Screed Flatness And Extender Angle Of Attack{6643}

1994/08/15 Tooling Plate Simplifies Swashplate Neutral Adjustment on Drum Propel Pump{5070,0738}

1994/08/15 Power Proportioner Valve No Longer Available{5086}

1994/08/15 Switches With Screw Terminal And Sure Seal® Connector Replaced By Switches With A DT Connector{1400,7400}

1994/08/22 Parking Brake Performance Can Be Increased{4267,4251}

1994/08/22 Procedure To Modify 4P-4866 Coupling And 4P-4864 Housing To Work With New High Pressure Turbocharger{1052}

1994/08/22 New Hoist Control Valve Used To Improve Hoist Cylinder Operation{5136}