New Electronic Sensor Group (Speed/Timing Sensor) Used {1912}
Usage:
Caterpillar Machines Powered By 3500 Machine Engines
Description of Change: A new speed/timing sensor group is used in these engines. The new sensor group will provide increased reliability.
Adaptable To: The new 102-9029 Speed/Timing Sensor is a direct replacement for the 3E-0487 Speed/Timing Sensor.
Caterpillar Information System:
1995/07/03 New Bolts With "Lock-Patch" Used In Front Timing Gear Groups {1206}
1995/07/03 New Exhaust Manifold Has Higher Temperature Capability {1059}
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 Liner Seat Inserts Allow Engine Cylinder Blocks with Deeper Liner Seat Cracks To Be Salvaged {1201,1217}
1995/07/03 New Idler Gear Assembly Used In Rear Gear Groups {1206}
1995/07/03 New Front Gear Group Used To Improve Load Carrying Capability {1206}
1995/07/03 New Pump Drive Seal Resists Cracking {3108}
1995/07/03 Improved Suspension Cylinder Spherical Ball Joint Bearing Gives Longer Service Life {7201}
1995/07/03 New Hitch Pins And Retaining Hardware Improve Lubrication Of The Oscillating Hitch Pins {7057,7113}
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 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}
1995/07/10 Electrical System Updated, New Component List Available{1400,1406,1450}
1995/07/10 Caterpillar Long Life Coolant/Antifreeze Identification{1395}
1995/07/24 New Propel Pump Manifold Gasket Improves Service Life{5070,4350}
1995/07/24 Correct Amount Of Oil For Vibratory Bearing Reservoir{6645}
1995/07/24 New Exhaust Manifold Shield Adds Uniformity To 3500 Machine Engines{1067}
1995/07/31 New Fuel Sender Provides Increased Reliability{7481}
1995/07/31 New Hitch Control Retains Engine Speed And Eliminates Hitch Ratcheting{5100}
1995/07/31 Carriage Rotate Pivot Pin Now Available From Part Service{6408}
1995/07/31 New "High Efficiency" Fuel Filters Help Prevent Worn Injectors{1261}