1U-5551 Extension Valve Needed To Check Nitrogen Charge Pressure In Belt Tension Accumulators{4197,5077}
Usage:
AP-1055B (8BM),
BG-2455C (6TN) Asphalt Pavers
Description of Change: A 1U-5551 Extension Valve is needed in addition to the tools called out in the "Systems Operation Testing & Adjusting" manual when checking nitrogen charge pressure in the belt tension accumulators for the AP-1055B/BG-2455C asphalt pavers. This extension valve is necessary to successfully precharge the system since the charging valve is recessed on the most recent revision of the 107-6328 Accumulator Assembly.
Caterpillar Information System:
1998/04/20 New Improved Fuel Fill Cap For Asphalt Pavers{1273}
1998/04/20 Improved Rear Fender Kits Are Available{7252}
1998/04/20 Propel Motor Displacement Screw Settings{4351}
1998/04/20 New Decals Striping For Dump Bodies{7559,7581}
1998/04/20 Dash Cover Assembly Has Been Improved{7314}
1998/04/20 Additional Information For VIMS Brake Temperature Indicator{7489,7601,7450}
1998/04/20 Primary Pressure For Transmission Pressure Control Group Has Increased{3030,3074}
1998/04/20 Engine Software Updates{1902}
1998/04/20 Additional Field Assembly Information For Off-Highway Trucks{7960,7961}
1998/04/20 Fan Group Service Replacement Parts Available{1356,1359}
1998/04/20 Weld Repair Procedure For Front Strut Frame Support{7050,7201}
1998/04/20 Thicker Dump Body Pivot Pin Retention Blocks{7424,7248}
1998/04/20 Change Implemented To Reduce Rear Hopper 102-9849 Hinge Pin Failures{6639}
1998/04/27 Flushing Procedure Assures Correct Operation Of Implement Control Valves {5051}
1998/04/27 Orifice In Control Valve Prevents Sudden Stop Of Truck Body When Hoist Control Is Returned From Raise To Hold {5136}
1998/04/27 New Piston Pump For Brake, Steering, And Hoist Systems Has Longer Service Life {5070,4268,4306,5083}
1998/04/27 Effectivity Date For Caterpillar Extended Life Coolant In Machines Shipped From CPPI {1350,1395}
1998/04/27 Improved Material Deflector For Primary Conveyor Is Available {6621}
1998/04/27 New Lubrication And Maintenance Interval Decal, SEEU7039, Now Available {0374,0653,7000}
1998/04/27 Revised Walk-Around Inspection Chart, SELU7039-01, Now Available {0374,7000}
1998/04/27 Gear Box Dipstick Is Now A Plug {4350}
1998/04/27 New Improved Parking Brake Switch Has Heavy Duty Switch And Contacts {7451}
1998/04/27 Grade Controls-New Setup Screens {5645,7220}
1998/04/27 Ladder Clamps Added To Secure Conveyor Pump EDC Wires {5702}