Improved Brake Switch Now Used{4262,1408}
Usage:
120H (4MK, 9YR, 6TM, 5FM),
135H (3YK, 8WN, 7MM),
12H (4XM, 8MN, 4ER, 2GS),
140H (2ZK, 9TN, 8JM, 5HM, 3AS),
143H (1AL),
160H (9EJ, 3GM, 9JM, 2FM, 2HS),
163 (5AK),
14H (7WJ),
16H (6ZJ) Motor Graders
Description of Change: An improved switch is now used on the brake tail lamp actuation system to enhance service life.
Adaptable To: The new 166-7781 Switch, 3T-1480 Wire Assembly, and 3S-2093 Strap replace the former 125-9352 Switch. This change to the listed wiring groups is effective with the machines in the following chart. The change is adaptable to earlier machines by changing the switch and adding the new wire assembly and strap.
Caterpillar Information System:
1999/03/01 Supplement To Correct Manual Modulation Pedal Adjustment{3059,3071}
1999/03/01 Special Instruction, REHS0103-01, Available For Procedure For Dynamometer Test For Power Take-Off{3107}
1999/03/01 Fan Pulley/Adapter Changes Summarized{1356,1384,1359}
1999/03/01 Stronger Floatpin Design Available{5102,7120}
1999/02/22 Shielded Metal Arc Welding And Flux Cored Arc Welding Information {0679}
1999/02/22 New Radiator And Oil Cooler Mounting Configuration {1350}
1999/02/22 New Improved Tow Point Roller Design Now Being Used {6600}
1999/02/22 Correction To Service Brake Disc Information {4250,4255,7473}
1999/02/22 PS-360B Tires {4203}
1999/02/22 3116 Engine Oil Capacity {1326}
1999/02/22 New Scraper Available For Asphalt Compactors {6607}
1999/02/22 Vibratory Relief Pressure Increased To Shorten Vibratory Start And Stop Times {5652}
1999/03/01 New Flywheel Housing Gasket For 3406 Machine Engines{1157}
1999/03/01 New Water Pumps With Improved Resistance To Shock Loads Used{1361}
1999/03/01 New Tie-Down Available For Asphalt Paver{6600,6100,6300}
1999/03/08 Software Improvements {7620}
1999/03/08 Use 155-1557 Gauge For Scraper Adjustment On Cast Steel Drive Wheels {4199,0766}
1999/03/08 New Seal Installers For Mid-Rollers And Idlers {4159,4180}
1999/03/08 Supplement To Add Fill Instructions On All Wheel Drive Pump In D&A Manual {3203}
1999/03/08 Supplement To Add Fill Instructions On All Wheel Drive Pump In OMM Manual {3203}
1999/03/08 New Basic Fuel Transfer Pump Group Includes New Outer Lip Type Seal {1256}
1999/03/08 Use FT2593 Spanner Wrench To Rotate Concentric Pin To Align Pipelayer Frames {7052}
1999/03/08 Improved Exhaust Tubes Now Used On Off-Highway Trucks {1061}
1999/03/08 New Steering Column Bearing Kit Available For Off-Highway Trucks {4310}