Improved Type 2 Brake Control Group Components{4258,4257,4262,4269}
Usage:
TH62 (3LN653-Up, 4TM905-Up) TH63 (3NN548-Up, 5WM1021-Up) TH82 (3JN508-Up, 3KN432-Up) TH83 (3RN597-Up) TH103 (3PN388-Up) Telehandlers
The 8I-3432 Brake Control Group and the 136-8537 Brake Control Group have been improved and is being installed in current production machines. This article details parts consist for these improvements.
Illustration 1. 8I-3432 Brake Control Group. See Chart 1.
Illustration 2. 136-8544 Brake Cylinder Group. See Chart 2.
Caterpillar Information System:
1997/08/11 Ride Control Accumulator Recharging Procedure{5077,5050,5057}
1997/08/11 New Cartridge Group For Steering Accumulator Charging Valve Group Prevents Binding Of Cartridge Piston{4331,5081}
1997/08/11 Serviceable Parts for 4 Wheel Drive Front Axle Steering Cylinder{4303}
1997/08/04 VIMS-PC Compatibility{7601}
1997/08/04 Disassembly And Assembly Supplement Available For Limited Slip Differentials{3263}
1997/08/04 Reliability And Fatigue Strength Improved In Connecting Rod{1218,1219}
1997/08/04 Tractors And Trucks Include Filters For Early Hour Oil Changes To Ensure Clean Hydraulic System{5068,3067,4295,4070,4332,5056,1379,3103,3154,4257}
1997/08/04 Duo-Cone Seal Assemblies With A Toric Available For Tractors And Trucks{4006,7555,4251,7561}
1997/08/04 Improvement Made To Wiring Group For Reduction In 793B Engine Removal And Installation Assembly Time{1408}
1997/07/28 Protection Of Unsealed Electrical Terminations For Machines Used In Corrosive Applications{1400}
1997/07/28 Required Maintenance Of Air Cleaner Dust Valves{1050,1051,1055,1068}
1997/07/28 Correct Position of Shaft Seals And New Plug For Seal Drain Cavity In Pump Groups Improves Service Life{4306,5073,5083}
1997/08/11 Correction To Operation & Maintenance Manual, SEBU6955{0375}
1997/08/11 Supplement To Service Manual, SENR5890, Electronic Transmission Control System{1408,3168}
1997/08/11 Improved Switches Now Used To Prevent Open Contacts{1423}
1997/08/18 Improved Three-Point Hitch Rockshaft Seal And Wear Ring Prevents Dirt Packing {7120}
1997/08/18 Improved High Ambient Cooling Configuration Available {1205,1350,1357,1384}
1997/08/18 New Flagpin Retention Method Improves Torsional Strength {7120}
1997/08/18 Four Wheel Drive All-Wheel-Steer Dead Engine Brake Inspection {4250,4265}
1997/08/18 Information Is Corrected On The 793C Engine Information Plate {1000,7557}
1997/08/18 New Engine Arrangements For High And Low Altitude Applications {1000}
1997/08/18 Changes To VIMS Truck Payload System {7601}
1997/08/18 New Transmission Control Group Improves Operator Comfort {3065}
1997/08/18 New Clamps And New Hose Now Used for Water Heater Lines To Improve Service Life {1383,1812}