New Water Seals Used In Cylinder Head Groups{1115,1101}
Usage:
D8K, D9H, DD9H, SxS D9H, D10 Tractors;
583K, 594H Pipelayers;
992 Loaders;
773, 777 Trucks;
772, 776 Tractors;
641B, 650B, 651B, 657B, 660B, 666B Tractors;
D342, D346, D348, D349, D353 Industrial and Marine Engines;
G342C Natural Gas Engines
Description of Change: New water seals are used in the cylinder head groups on the machines and engines shown above. The new water seals will give a better seal between the cylinder head and the cylinder block.
Adaptable As: The new 2W3797 Water Seal is a direct replacement for the former 7N6243 and 8S4275 Water Seals, which are canceled.
Caterpillar Information System:
1983/08/15 New Fuel Ratio Control Group Has Improved Diaphragm{1278,1257,1251}
1983/08/15 Troubleshooting Engine Vibration; Damper Adapter Can Be Changed{1205,1000}
1983/08/15 3512 Generator Set Engines (1500 And 1800 RPM) Must Use Flywheel Balance Weights{1156}
1983/08/15 New Turbocharger Exhaust Coupling Prevents Exhaust Gas Leakage{1052,1059,1061}
1983/08/15 Digital Tachometer Available{7462}
1983/08/15 Recommendations To Avoid Piston Seizures{1214,1213,1215}
1983/08/15 Repair Of Damaged Threads{0660}
1983/08/15 Keep Alternators Without Pulleys In A Horizontal Position During Installation To Prevent Internal Damage{1405}
1983/08/15 Recommendations For Use Of 6V6125 Infrared Thermometer{0651}
1983/08/15 New Liner Seat Insert Available{1217}
1983/08/15 New Actuator Cylinder Used In Air Shutoff{7418,1078}
1983/08/15 New Filter Orifice Helps Prevent Governor Surge{1264,1263}
1983/08/15 Replacement Parts And Service For 6V3021 Crimping Tool And 6V3022 Cable Cutter{0610}
1983/08/22 Improved Voltage Regulator Assembly Now Used{4450,4467}
1983/08/22 New Governor Drive Gears And Weight Assemblies{1264}
1983/09/05 New Inspection Report Forms Available{0336,0372,7550}
1983/09/05 Service Information Available For Altronic Ignition System{1552}
1983/09/05 Replacement Counterweights And Information For Replacement Of Counterweights And Balancing The Crankshaft{1202,0652}
1983/09/05 Larger Oil Pump Used To Give Better Clutch Cooling And Bearing Lubrication{3310,3302,3307}
1983/09/05 New Piston Oil Rings{1215}
1983/09/05 6V3100 Engine Timing Indicator Group May Have 6V9710 Or 6V2192 Transducer{0651}
1983/09/05 Vent Hole In Water Temperature Regulator Cover Removed{1355}
1983/09/05 Engine Maintenance Information Films Available{1318,1352,0375}
1983/09/12 New Larger Auxiliary Sea Water Pump Operates At Lower RPM{1371}