Premier Grade And Slope System Faults {7219,7220}
Usage:
AP-1055B (8BM1-298),
AP-1050B (6ZN1-191),
AP-1000B (7HN1-186),
BG-2455C (6TN1-135),
BG-245C (4XN1-118),
BG-260C (8GN1-529) Asphalt Pavers
SUBJECT: Machines equipped with the Premier Grade and Slope System could experience the following faults:
FAULT: Network Right Controller
FAULT: Network Left Controller
This double fault can be caused by voltage spikes from the tow point coils.
SOLUTION: New 158-8051 Harness and 106-8704 Arc Suppressor can be installed in series with the solenoid coils. This will reduce the risk of faults being logged. Four harnesses and four suppressors are needed.
Caterpillar Information System:
1998/05/25 Correction To Parts Listed In TH62 Telehandler Parts Manuals {3268}
1998/05/25 Adjustable Mounting Arrangement And Flexible Coupling For Hydraulic Pump Available {5062}
1998/05/25 Procedure To Disable Top Gears On Small Wheel Loaders And Integrated Toolcarriers {3168}
1998/05/25 Revised Lubrication And Maintenance Interval Decal, SEEU7039-01, Now Available {0374,0653,7000}
1998/05/25 Steering Shaft Maintenance And Lubrication Procedure Added To Operation And Maintenance Manuals, SEBU6946-02 And SEBU6956 {0374,4310,4338}
1998/05/25 Maintenance And Lubrication Of Steering Shaft Improves Steering Shaft Service Life {0732,4310,4338}
1998/05/25 Steering Shaft Removal And Installation Procedure Added To Disassembly & Assembly Manuals, SENR5885-01 And SENR1338 {0374,4310,4338}
1998/05/25 Correction To Service Manual Module, SENR6719-01, Specifications Systems Operation Testing And Adjusting, 938G Wheel Loader And IT38G Integrated Toolcarrier Traction Control System {0374,4801}
1998/05/25 An Improved Seal Package Now Available For Tailgate Cylinders {5107}
1998/05/25 Effectivity For "Improved Stop/Tail/Turn Lamps Now Available" {1432}
1998/05/25 Dimensions For Installing Attachment Tailgate Mounting Hardware On Articulated Truck Dump Bodies {7271,7258}
1998/05/25 Supplement Setting Effectivity For Dimensions For Installing Tailgate Attachment {7271,7258}
1998/05/25 A New 24-Volt Glowplug Is Now Being Used On Asphalt Pavers {6642,1412}
1998/05/25 New Valve Cover Seal Used {1107}
1998/06/01 New Transmission Seals Improve Reliability {3000}
1998/06/01 Installation Of Control Valves For Implements {5051,5136,5214,5220,5226,5351,5115,5207,5266,5063}
1998/06/01 Smoke Beam Improved To Prevent Water Collection {7050}
1998/06/01 Improved Pressure Sensor Group Is Now Used In Certain Off-Highway Trucks {1917,1923,1924}
1998/06/01 Supplement For "Access Hole Dimensions To Measure Brake Lining Pad Thickness". {4254}
1998/06/01 Information System Builder V1.2 May Experience An "Operating System Error" {7601}
1998/06/01 Uploading VIMS Source And Configuration Software {7601}
1998/06/01 Correction To SENR5890-02, Systems Operation Testing And Adjusting {0374,1400,3168}
1998/06/01 Effectivity Of Current Production Water Pump Group On Caterpillar Machines Powered By A 3406C Machine Engine {1361}
1998/06/01 Improved Rotor Hood Side Discs And Disc Pivot Shafts Are Available {6635}