New Metering Pump Provides More Precise Steering Control {4312}
Usage:
621E (6AB, 2PD),
621F (4SK, 8PL),
621S (8KD),
623E (6CB, 6YF),
623F (6BK, 5EW),
627E (6EB, 6GB, 7CG),
627F (1DL),
631E (1AB, 1NB, 3ND),
633E (2PS),
637E (1FB, 1JB),
651E (89Z, 4YR),
657E (90Z, 91Z, 6TR, 5YR) Wheel Tractors
Description of Change: A new metering pump has increased internal clearances that improve operation over a wider temperature range. The new metering pump provides better reliability and more consistent operation.
Adaptable To: The new 124-7800 Metering Pump is a direct replacement for the former 119-8771 Metering Pump.
Caterpillar Information System:
1999/09/06 New Hose Assembly For Air Suspension Seats Has Improved Service Life {7312,7324}
1999/09/06 New Governor Spring Has Improved Service Life {1265}
1999/09/06 New Wheel Improves Bearing And Wheel Service Life {4208,4006,4051}
1999/09/06 New Bracket Protects Flasher Control {1430}
1999/09/06 Front Gear Group Changed to Help Keep Oil Pump Adapter Assembly Bolts Tight {1206,1304}
1999/09/06 Improved Bearing For Torque Converter Drive Gear {3101,7551}
1999/09/06 New Transmission Oil Filter Used {3067,3068}
1999/09/06 Improvements To Air Cleaner Supports And New Software Help Prevent False Inlet Air Restriction Warnings {7452,1051,1071,1920}
1999/09/06 Improved Undercarriage Improves Service Life {4151}
1999/09/06 New Bulldozer Connectors Improve Service Life {6050,6061}
1999/08/30 Use 9U-6843 And 9U-6845 Reclaiming Stills To Recycle Coolant {0708,1352}
1999/08/30 Tightening Torque Increased For Nuts In Fuel Injector Wiring Harness Cap Assembly {1408}
1999/09/06 New Piston In Lift Cylinder Increases Clearance Between Tilt Lever And Axle Housing {5102,6116}
1999/09/06 A Special Instruction For Installing Bucket Control Linkage Assembly Modifications Is Available {6107,0374}
1999/09/06 Use 164-5848 Driver To Install Seals {6108}
1999/09/06 VIMS Version 9.6X Class Of On-board Software Available {7601}
1999/09/06 Modification Of Governor Control Groups Eliminates Governor Sticking {1264,1265}
1999/09/06 New Plate Deflects Rain Water {1417}
1999/09/06 Improved Transmission Flow Control Valve Prevents Unstable Oil Pressure {3064}
1999/09/13 Water Pump Elbow Modification {1361}
1999/09/13 Correction To Transmission And Grapple Electronic Control System, Systems Operation Testing And Adjusting, SENR6686-01 {0374,3168,4800}
1999/09/13 Correction To Power Train Systems Operation Module, RENR3044 {0374,3168,4800}
1999/09/13 Steering Cylinder Now Uses Improved Rod Seals {4303}
1999/09/13 Hood Liner Support Brackets Modified To Eliminate Interference With Air Conditioner Compressor Switch {7251}