Two Service Kits Are Available For The Fan Clutch In Machine Engines {1359}
Usage:
768C, 772B, 776C Tractors;
769C, 771C, 773B, 777C Trucks;
775B Quarry Trucks
Two service kits are available for the fan clutch in the above machines. The seal kit is contained within the overhaul kit.
The new 121-5767 Overhaul Kit and 121-5756 Seal Kit are used as the service kits for field rework to the 6I-4427 Fan Clutch. See Chart A for the parts list of the 121-5767 Overhaul Kit and Chart B for the parts list of the 121-5756 Seal Kit. See the illustration for location of components.
Caterpillar Information System:
1996/04/01 Drawbar Reinforcement Plate Prevents Cracking In Severe Work Applications {6153}
1996/04/01 Improved Scarifier Control Valve Group Provides Stable Function {5214}
1996/04/01 Procedure For Setting Articulation Sender {4806}
1996/04/01 Improved Air Seat Group Now Used {7307,7312,7324}
1996/04/01 Rubber Hose Replaces Steel Tube In The Fuel Filter Lines Group {1256,1274}
1996/03/25 Larger Air Compressors Available{1803}
1996/03/25 Fuel Injection Pump Barrel Sealing Face Reconditioning{1251}
1996/03/25 Possible Sources of High Crankcase Blowby From Breather Tube{1317}
1996/03/25 Service Parts Available For Rear Signal Lamp Groups{1430,1432}
1996/03/25 Off-Highway Trucks VIMS Software{7490,7601}
1996/03/25 New Front Park/Turn Lamp Available And Now Used On "D" Series Trucks{1430}
1996/03/25 Hydraulic Valve Groups Use New Implement Quick Couplers{6129,5057,5051}
1996/04/01 Relay Has Been Added To Stop Lamp Circuit To Improve Service Life Of The Pressure Switch {1432}
1996/04/01 VIMS Software Bug {7490,7601}
1996/04/01 Vibratory And Propel Control Cables Improved {3209}
1996/04/01 New Programmable Logic Control With In-Phase Monitor For Contactor Type Automatic Transfer Switches {4469}
1996/04/01 New Vee Band Clamp For Turbocharger Exhaust Couplings Reduces Exhaust Leaks {1052}
1996/04/01 129-0372 Primary Fuel Filter/Water Separator Assembly Used On 3408E And 3412E Machine Engines With Hydraulic Electronic Unit Injection (HEUI) {1260,1263}
1996/04/08 New Blade Control Valve Reduces Noise{5136}
1996/04/08 New Sprocket For Feeder Drag Conveyor{6632}
1996/04/15 Special Instruction, SEHS9869, Available for Field Installation of 132 liter/min (35 U.S. gpm ) Implement Pump{0374,5070,5057}
1996/04/15 Special Instruction, SEHS9891, Available for Installation of 119-9737 Flow Control Group{0374,5137}
1996/04/15 Engine Variable Speed Fan Clutch System Service Tips{1359}
1996/04/15 Improved Handle Assembly For Cab Window Now Available{7308}