New High Pressure Grease Lines Used {7510}
Usage:
550 (7ZN),
570 (4XR),
580 (7CN) Wheel Harvesters
Description of Change: New high pressure grease lines are being used on the steering cylinders of the machines listed. The new grease lines will withstand higher pressure than the grease lines used previously. The grease lines deliver grease to the bearing at the head end of the steering cylinders.
Adaptable To: The new grease lines are effective with 550 (7ZN160-Up), 570 (4XR172-Up), and 580 (7CN200-Up) Wheel Harvesters. The two former 3R-3810 Hose Assemblies (not canceled) are replaced by two 3V-7516 Hose Assemblies. The new hose assemblies are adaptable to first production for the machines listed.
Articulated Hitch Area. (1) Grease Line. (2) Steering Cylinder.
Caterpillar Information System:
1999/09/13 Improved Fuel Filling Time With Retrofit Kit {1273}
1999/09/13 Service Parts Are Now Available For Telehandler Steering Arm Groups {4305}
1999/09/13 Corrected Torque Values For Oscillating Front Axles, Fixed Front Axles, And Rear Axles That Are Incorrect in SENR5839 {3250}
1999/09/13 New Connector Protects Pilot Control Valve {5059}
1999/09/13 Hood Liner Support Brackets Modified To Eliminate Interference With Air Conditioner Compressor Switch {7251}
1999/09/13 Plate Kit Now Available To Reduce Asphalt Accumulation In The Engine Compartment {7051}
1999/09/13 New Custom Product Support Literature Is Available For 785C Off-Highway Trucks {0374,1428}
1999/09/13 A New 90° Muffler Elbow Is Available For Certain Off-Highway Trucks {1061}
1999/09/13 Improved Window Latches Are Retrofittable {7308,7310}
1999/09/13 New Blade Tip Cylinder Bracket Increases Wear Strip Life {5254,6174}
1999/09/13 Special Instruction, REHS0523, Available For Procedure To Install Engine Enclosures {1000,7150}
1999/09/13 Coolant Recovery Bottle Now Used {1354}
1999/09/13 New Bottom Guard Pulley And New Ladder Pulley Used {7153,7254}
1999/09/13 Manual Fuel Priming Pump {1258}
1999/09/13 New Cleanout Filters Available For Hydraulic Systems And Drive Trains {5068}
1999/09/13 Improved Rotor Hood Side Disk Pivot Now Available {5608,6635}
1999/09/13 New 173-1530 Injector Seating Tool Group Available {0710,1290}
1999/09/13 Wider Crankshaft Gear Used {1204}
1999/09/20 Belt Disposal {4150,4198}
1999/09/20 Effectivity Of Product Support Literature For Caterpillar Monitoring System {0374,7490}
1999/09/20 Spacers Ease Manual Greasing Of Auto Lubrication Machines {7540}
1999/09/20 Special Instruction For Rebuilding The Backhoe Loader Pin Bores Is Now Available {6101,6104,6119,6501,6502,6503,6506,6508,6515,6518,6533,7054,7222}
1999/09/20 Reduced Effort All Wheel Steer Brake Pedal Available {4265,4269}
1999/09/20 Procedure to Install Rear Axle on Certain Off-Highway Trucks Has Been Changed {3278,4208}