New Hydraulic Pump Group Increases Service Life {5070}
Usage:
D250E (5TN),
D300E (7FN) Articulated Trucks
Description of Change: A new hydraulic pump group achieves greater service life from the use of 5M threaded retraction plate bolts and improved heat treating of the cylinder barrel. The new pump group also uses an improved rotating group.
Adaptable To: The new 140-0295 Pump Group is a direct replacement for the former 132-7098 Pump Group and the former 123-2985 Pump Group. The new pump group uses the 139-2584 Rotating Group which is a direct replacement for the former 136-7518 Rotating Group. This new pump group is effective with D250E (5TN838), and D300E (7FN456) Articulated Trucks.
Caterpillar Information System:
1996/12/30 Improved Seals And Bearings Used To Reduce Seal Leaks In Output Transfer Gear Groups {3159,3003}
1996/12/30 Seal Improvement Prevents Leakage In Hook Winch Groups {5417}
1996/12/30 3054 Engine - New Rear Crankshaft Oil Seal Housing Provides Better Seal {1161}
1996/12/30 Description Of August 1996 (AUG96) Personality Module Changes For 3176B (43Z), 3176C (7ZR), And 3196 (6AR) Engines {1902,1901,1923,7414}
1996/12/23 New Rotocoil Assembly Used In Engine Cylinder Head Groups{1109}
1996/12/23 New Telehandler Brake Pack Adjustment Procedure For Rebuilt Brake Groups{4251,4004,4255,4261}
1996/12/23 New Temperature Sensors Used Which Prevent False Over Temperature Warnings{1906,1400}
1996/12/23 Torque/Turn Method Used To Tighten Brake Caliper Retaining Bolts{4256}
1996/12/23 Improved Seals And Bearings Used To Reduce Seal Leaks In Transfer Gear Groups (6WD){3250}
1996/12/23 Orificed Check Valve Removed From Hoist Cylinder Groups For Truck Bed{5102,5486}
1996/12/23 Externally Adjusted Relief Valve Used In Steering Control Valve Group{4307,4322}
1996/12/23 Improved Relief Valve Group For Drive System Reduces Pressure Spikes{5069}
1996/12/30 Procedure For Aligning Front Suspension Frame Group With Output Transfer Gearbox {7200}
1996/12/30 Supplement To Operation And Maintenance Manual; "Dual Position Switch To Operate The Tilt Kickout System" {1435,7451}
1996/12/30 Improved Boom Electrical Harness Routing For Increased Reliability {1408}
1996/12/30 Flywheel Housing To Cylinder Block Joint Improvements {1157,1201}
1997/01/13 1U-9095 Lifter Group Allows Complete Undercarriage To Be Moved With Fork Lift Or Farm Tractor{4150,0632}
1997/01/13 1U-6130 Guide Stud, 1U-9785 Guide Stud And 1U-9817 Guide Stud Makes Undercarriage Installation And Removal Much Easier And More Efficient{4150,0729}
1997/01/13 1U-9055 Idler Lifter Removes And Installs Front Idler Assembly Using Overhead Lifting Equipment{4150,0729}
1997/01/13 Use 1U-9097 Wrench To Remove And Install Accumulator In Mobile-Trac Tensioning System{4197,0756}
1997/01/13 1U-9054 Driver Lifter Removes And Installs Rear Drive Wheel Assembly Using Overhead Lifting Equipment{4199,0729}
1997/01/13 1U-9058 Hose Group Provides All Necessary Equipment For Adjusting And Releasing Tension On Mobile-Trac Belts{4197,0766}
1997/01/13 Use 125-4634 Spanner Wrench Assembly To Remove And Install 110-5425 Nut Retaining Axle Shaft Into Housing{3250,0727}
1997/01/13 Spanner Wrenches And Related Tools To Remove And Install Final Drive Bearing Locknut{4050,0602}