New Hose Assembly For Air Suspension Seats Has Improved Service Life {7312,7324}
Usage:
621F (4SK, 8PL),
623F (6BK),
627F (1DL) Wheel Tractors
Description of Change: A new hose assembly for seat groups is less susceptible to damage from accidental contact with the operator's foot.
Adaptable To: The new 5G-4674 Hose Assembly cancels and replaces the former 101-2652 Tube Assembly, which is no longer serviced. The new hose assembly is part of the 8X-4957 Seat Group and is adaptable to earlier machines. The earlier seat groups with the former 101-2652 Tube Assembly may be adapted by using the following table and illustration.
Illustration. 8X-4957 Seat Group.
Caterpillar Information System:
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}
1999/08/30 New Electronic Control Module For 3408E And 3412E Engines {1901}
1999/09/06 New Metering Pump Provides More Precise Steering Control {4312}
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}