1994/08/08 Caterpillar

New Covers Protect Inverted Rear Suspension Cylinders{7164}

Usage:

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

Description of Change: A new one piece cover secured by Velcro and two clamps provide additional protection for the seals in the inverted rear suspension cylinders.

Adaptable To: The new 115-9308 Covers and 115-9309 Clamps are effective with 784B (5RK14) and 785B (6HK313). The new 115-9310 Covers and 115-9311 Clamps are effective with 789B (7EK262) and 793B (1HL134). This change is adaptable to all earlier trucks with inverted rear suspension cylinders 785 (8GB1-Up), 785B (6HK280-Up), 789 (9ZC1-Up), 789B (7EK185-Up), 793 (3SJ1-Up) and 793B (1HL58-Up).

When installing the clamps and covers, wrap the cover around suspension housing with the Velcro Seam positioned inside toward centerline of truck. Both clamps should be installed in the head end on the cylinder. Do not install clamps on the rod end of the cylinder.

Parts location (Typical). (1) Rear suspension cylinder. (2) 115-9309 or 115-9311 Clamps. (3) 115-9308 or 115-9310 Covers.

Caterpillar Information System:

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}

1994/07/25 Lubrication Oil Recommendations Have Been Changed For Caterpillar OFF-Highway Trucks And Tractors{0374,0375}

1994/07/18 Rubber Drive Belt Field Repair Kit{4213}

1994/07/18 Diameter Of Spherical Bearings In Steering Cylinders Increased{7072,4303}

1994/07/18 New Instrument Panel Groups With Improved Light Bulb Retention Can Be Installed{7451}

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

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

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

1994/08/08 Additional Clamp Used In Fuel Injections Lines Groups{1252}

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}