New Governor Drive Gears And Weight Assemblies{1264}
Usage:
3100 Series, D336, D353, D348, D349, D379, D398, D399 Engines;
G333, G343, G348, G349, G379, G398, G399, 3304 And 3306 Natural Gas Engines;
1676 Truck Engines
Description of Change: A new gear assembly and weight assembly are now used in the governor drive groups on the above engines. The new gears in these assemblies are hardened to permit a longer service life. The number of teeth and the pitch of the new gears are different, so that they can not be used with the former gears. The former gears were not hardened.
Adaptable As: The new parts, when used together, are direct replacements for the former parts. The new and former parts are shown in the chart.
Caterpillar Information System:
1983/08/22 Improved Voltage Regulator Assembly Now Used{4450,4467}
1983/08/15 Replacement Parts And Service For 6V3021 Crimping Tool And 6V3022 Cable Cutter{0610}
1983/08/15 New Water Seals Used In Cylinder Head Groups{1115,1101}
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}
1983/09/05 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}
1983/09/12 New Dust Covers Available For Twin Disc IBF318 And IBF321 Rear Power Take-Off Clutches{3055}
1983/09/12 Parts Service Information For Pistons, Connecting Rods, Piston Pins And Rings{1214,1225,1215,1218}
1983/09/26 Oil Shield And Rotocoil Must Be Installed Together For Acceptable Oil Control{1109}