Spacers Used To Eliminate Noise Due To Lateral Hoist Cylinder Movement When The Body Is Raised{5102}
Usage:
D250D (6NG) Articulated Trucks
Description of Change: New spacers are now used in the hoist cylinder mounting group to reduce noise when the body is being raised. The noise was caused by the lateral movement of the hoist cylinders.
Adaptable To: The 109-3955 Spacers, part of the 7U-9172 Hoist Cylinder Mounting Group, are in effect with D250D (6NG227) Articulated Truck and can be installed on earlier machines. The 109-3955 Spacers should be installed at the machine frame pin joint for the cylinder. See the illustration.
Spacer Location. (1) Hoist cylinder. (2) 109-3955 Spacers. (3) Rear frame.
Caterpillar Information System:
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}
1994/07/18 Improved Back-up Rings Prevent Pressure Build-up In Off-highway Truck Hoist Cylinder Groups{5102}
1994/07/18 New Cam Adjustable Link Now Used With Motor Grader Rippers{6166}
1994/07/18 Air Ride Seat Suspension Retrofit{7307}
1994/07/11 Intake And Exhaust Valve Lash Increased{1105}
1994/07/11 Different Fuel Filter Available To Prevent Premature Wear On Fuel Injection Pump Plungers And Barrels{1261,1251}
1994/07/11 Bulk Hose Material Is Available For Air Conditioners With R-134a Refrigerant{1808}
1994/07/25 A New SEPD0208 Special Edition Service Magazine Available For "D" Series Articulated Trucks{0374}
1994/07/25 New Locking Plate And Thrust Flange Used In Hitch Drive Shaft Group{7051}
1994/08/08 New Front Engine Support Available For Parts Service{1153}
1994/08/08 External Fuel Tank Wear And Corrosion Can Be Prevented{1273}
1994/08/08 Body Mounting Plate Can Contact Front Service Brake Roto Chamber{4262,4266,7258}
1994/08/08 New Covers Protect Inverted Rear Suspension Cylinders{7164}
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}