New Hitch Pins And Retaining Hardware Improve Lubrication Of The Oscillating Hitch Pins {7057,7113}
Usage:
D20D (9MG),
D250D (6NG),
D250E (5TN),
D300D (5MG) Articulated Trucks
Description of Change: New pins and retaining hardware are now being used in the 7U-9904 (D20D, D250D) and 7U-9903 (D300D) Oscillating Hitch Groups. The new pins and retaining hardware will increase the service life of the oscillating hitch group due to improved lubrication.
Adaptable To: The new 104-9715 Pin, 104-9714 Washer and 1D-4614 Bolt is in effect with D20D (9MG95), D250D (6NG185),D250E (5TN1) and D300D (5MG191) Articulated Trucks. The new parts, when used together, are a direct replacement for the former parts shown in the chart.
Parts location. (1) Pin. (2) Washer. (3) O-ring Seal. (4) Bolt.
Caterpillar Information System:
1995/07/03 Procedure To Inspect Disc Lining Assemblies For Wear {4273,4251}
1995/07/03 Water Lines Groups Changed To Eliminate Fan Guard Interference And Unneeded Lines {1380}
1995/07/03 New Pinion And Seal Assembly Replaces The Former Carbon Seal {3280,3254,3250}
1995/07/03 New Oil Cooler Assembly Used In Filter Base And Engine Oil Cooler Group {1378,1306}
1995/07/03 New Construction Prevents Cable Emergence {4198}
1995/06/26 New Lower Front Suspension Cylinder Retaining Pin Gives Longer Service Life{7201}
1995/06/26 Engine Air Cleaner Air Outlet Flange Available For Parts Service{1051}
1995/06/26 New Final Assembly Tightening Procedure For Retainer Plate Bolts In Rear Wheel Groups{4215}
1995/06/26 Components Of 100-8105 Fan Clutch Now Serviceable{1359}
1995/06/26 Special Instruction SEHS9849 Available for Install Of Automatic Retarder Control (ARC) Retrofit For Later Models{3121}
1995/06/26 New Serviceable Ring Expander And Seal Are Available For Service And Parking Brake Groups{4251}
1995/06/26 Recommended Cat Lubricating Grease For Backhoe Loaders{7509,7520}
1995/07/03 Improved Suspension Cylinder Spherical Ball Joint Bearing Gives Longer Service Life {7201}
1995/07/03 New Pump Drive Seal Resists Cracking {3108}
1995/07/03 New Front Gear Group Used To Improve Load Carrying Capability {1206}
1995/07/03 New Idler Gear Assembly Used In Rear Gear Groups {1206}
1995/07/03 New Liner Seat Inserts Allow Engine Cylinder Blocks with Deeper Liner Seat Cracks To Be Salvaged {1201,1217}
1995/07/03 Interface Seal Available For 70 Pin Connector Between Electronic Unit Injector (EUI) Wiring Harness And Electronic Control Module (ECM) {1408}
1995/07/03 New Exhaust Manifold Has Higher Temperature Capability {1059}
1995/07/03 New Bolts With "Lock-Patch" Used In Front Timing Gear Groups {1206}
1995/07/03 New Electronic Sensor Group (Speed/Timing Sensor) Used {1912}
1995/07/03 Flexible Braided Steel Hose Maintenance {1307,1380,1803}
1995/07/10 Longer Bolts And Spacers Used To Retain The Bearing Cage In The Transfer Gear Group{3159}
1995/07/10 Bonded And Riveted Brake Shoes And Lining Kits Are Available For Servicing 120-4931 And 120-4932 Service Brake Groups{4253,5251}