New Improved Parking Brake Switch Has Heavy Duty Switch And Contacts {7451}
Usage:
AP-1055B (8BM267-269, 8BM271-Up),
AP-1050B (6ZN135-Up),
AP-1000B (7HN172-Up),
AP-800C (1PM713-Up),
BG-2455C (6TN181-Up),
BG-245C (4XN116-Up),
BG-260C (8GN521-Up),
BG-230 (9AL273-Up) Asphalt Pavers
Description of Change: New improved parking brake switch is now being used on current production machines. This switch is a heavy duty switch and has heavy duty contacts within the block. The switch improves the reliability of the machine by providing better continuity during the different travel modes of the machine. The part numbers for this switch are as follows: 116-5270, 116-5274, 116-5275, 116-6565 all quantity 1 and 122-7344 quantity 2.
Adaptable To: This change is adaptable to first production models and up.
Caterpillar Information System:
1998/04/27 Gear Box Dipstick Is Now A Plug {4350}
1998/04/27 Revised Walk-Around Inspection Chart, SELU7039-01, Now Available {0374,7000}
1998/04/27 New Lubrication And Maintenance Interval Decal, SEEU7039, Now Available {0374,0653,7000}
1998/04/27 Improved Material Deflector For Primary Conveyor Is Available {6621}
1998/04/27 Effectivity Date For Caterpillar Extended Life Coolant In Machines Shipped From CPPI {1350,1395}
1998/04/27 New Piston Pump For Brake, Steering, And Hoist Systems Has Longer Service Life {5070,4268,4306,5083}
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 Flushing Procedure Assures Correct Operation Of Implement Control Valves {5051}
1998/04/20 Change Implemented To Reduce Rear Hopper 102-9849 Hinge Pin Failures{6639}
1998/04/20 1U-5551 Extension Valve Needed To Check Nitrogen Charge Pressure In Belt Tension Accumulators{4197,5077}
1998/04/20 New Improved Fuel Fill Cap For Asphalt Pavers{1273}
1998/04/20 Improved Rear Fender Kits Are Available{7252}
1998/04/27 Grade Controls-New Setup Screens {5645,7220}
1998/04/27 Ladder Clamps Added To Secure Conveyor Pump EDC Wires {5702}
1998/05/04 New Coolant Level Sensor And Harness Assembly Improves Ground Path{1377,7470}
1998/05/04 Procedure To Retrofit 1R-0762 "Radial Seal" Filter Assembly{1260,1262}
1998/05/04 Improved Final Drive Pinion Bearing Setting Procedure Used And New Shim Pack Kit Available{4050,4091}
1998/05/04 Field Installation Of The CD Player{7338}
1998/05/04 New Pumps For C-Series Backhoe Loaders{5070}
1998/05/04 Load Piston Body Changes In ICM Pressure Control Valve Group{3073,3030}
1998/05/04 New Custom Product Support Literature Is Available For 773D And 775D Trucks Equipped With 3Z-6309 Engine Pre-Lubrication Group (Field Retrofit){0374,1469,1300}
1998/05/04 New Custom Product Support Literature Is Available For 776D Tractors And 777D Off-Highway Trucks Equipped With 3Z-6435 Tachograph Arrangement (Factory/Field Installation){0374,7317}
1998/05/04 Procedure For Adjusting Hood Side Panels{7251}
1998/05/04 Correction To Service Manual Module, SENR6794-01, Specifications, 938G Wheel Loader And IT38G Integrated Toolcarrier Hydraulic System{0374,1386}