New Ring Seal Material Used In Brake Groups For Improved Service Life {7555,4251}
Usage:
All Off-Highway Trucks
Description of Change: The ring seal material and part numbers have been changed in the brake groups. The change in the material of the ring seals is indicated by the change in the color of the seals, from orange to blue. This change in material will provide better sealing and easier assembly.
Adaptable To: The change in material specification of ring seals is effective with and adaptable to all the trucks listed in the following charts.
NOTE: The 123-7272 Ring Seal has replaced 5P-5011 Ring Seal and 123-7275 Ring Seal has replaced 8W-1358 Ring Seal in brake groups for all applicable tractors and trucks.
Caterpillar Information System:
1996/06/03 Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}
1996/06/03 U-Cup Rod Seals Available For Hydraulic Cylinders Used In Cold Temperatures{5102,5104}
1996/05/06 Starter Solenoid Assembly May Need New Terminal {1467,1518}
1996/04/29 New Element Assemblies Available Within Jacket Water Heater Groups{1383}
1996/04/29 Integral Connector Now Used On The Air Conditioning Condenser Fan Motor Relay Assembly{1408,7320}
1996/04/15 New Element Assemblies Available Within Jacket Water Heater Groups{1383}
1996/04/15 Check Valve May Be Needed To Accurately Measure Engine Return Fuel Flow{0706,0774,0782}
1996/04/01 New Programmable Logic Control With In-Phase Monitor For Contactor Type Automatic Transfer Switches {4469}
1996/03/18 Hose Cleaner Group And Tool Operating Manual Is Available {0600,5057}
1996/03/18 Special Instruction SEHS9824 Available For Cab Window Service Procedure {7310}
1996/03/11 Working Load Limits For Forcing Screws, Puller Bolts and Studs{0700}
1996/02/12 New Pressure Switch Assembly Is Available For Fuel Applications; 9G-8011 Pressure Switch Assembly Should Not Be Used In Fuel Applications {7414}
1996/06/10 New U-Cup Seal And Spacer(s) Replace Cylinder Rod Packing Seal {5101,5102,5103,5104,5213,5223,5229,5265}
1996/06/17 Tamper-Proof Caps Available For Hydraulic Implement Pump Groups{5073}
1996/07/01 New Stop/Tail Lamp Groups Available {1429}
1996/07/01 New Cleanout Filters Available For Hydraulic Systems And Drive Trains {5068}
1996/08/26 Explanation of "Pull Up Voltage" {0350}
1996/09/02 Improved Starter Solenoid Assemblies Available {1467,1518}
1996/09/16 Snap Ring Retains Rod Wiper Seal In Several Hydraulic Cylinder Groups {7562,4303,5102,5104,5105,5106,5108,5141,5303,5352,5356,5452,5457,5458,5468,5555}
1996/09/16 Vibration Resistant LED Kit Available For Use With Back-Lit Rocker Switches {1429}
1996/09/16 Caterpillar High Efficiency Fuel Filters Help Provide Maximum Fuel Pump And Fuel Injector Life {1261}
1996/09/30 New Valve Cover Seals Are Used For Mechanical Unit Injector (MUI) And Electronic Unit Injector (EUI) Engines{1107}
1996/10/07 Parts Manuals May List Air Conditioning Compressors Incorrectly {1802,1809,7320}
1996/11/18 Measure Vibration Of Vibratory Compactor Drums With Hand Held Meters{7471,0783}