New Drive Coupler Kit Used On Altronic Magneto{1552}
Usage:
G3304, G3306, G342, G379, G398, G399 Engines Equipped With Altronic Magnetos
Description of Change: A new drive coupling is used in the Altronic magneto group on the above engines. The new drive coupling is made from a different material and gives improved service life. The former drive coupling was affected by engine heat. Wear of the former drive coupling affected engine timing and performance.
Adaptable As: The new 7W4130 Magneto Coupler Kit (new roll pin and drive coupling) is a direct replacement for the former 7W1403 Magneto Coupler Kit which is canceled.
7W4130 Magneto Coupler Kit.
NOTE: Always use a new 6L5270 Gasket when installing a new coupler kit.
The new 7W4130 Magneto Coupler Kit is in use as shown in the chart.
Caterpillar Information System:
1985/02/18 Bleed Holes On Parts Service Cylinder Heads{1100,1101}
1985/02/18 New Transmission Control Valve And Pressure Relief Valve Are Used With High Flow Oil Pump{3313,3310}
1985/02/18 New Pressure Conversion Chart Available{0600}
1985/02/18 Increased Preload Used In Air Shutoff Actuators{7400,7418}
1985/02/11 Addition Of Lubricator Will Help Prevent Corrosion In Air Prelube Motors{1319}
1985/02/11 New Guide Assembly Used In Oil Level Gauge Group{1326,1300}
1985/02/11 Install Crankshaft Thrust Bearings Correctly To Avoid Damage{1202,1203}
1985/02/11 New Flashlight On 6V5000 Infrared Thermometer Group{0776}
1985/02/04 New Temperature Recorders Available{0600}
1985/02/04 Over Fueling Spring No Longer Used In Governor{1264,1250}
1985/02/04 Only The External Needle Valve Can Be Adjusted On Woodward EG3PC Or EG10PC Actuators{1265,1289}
1985/02/04 Tighten Bolts To Correct Torque In 3161 Governor{1264}
1985/02/18 Low Maintenance High Output Batteries Are Now Standard Equipment{1401}
1985/03/04 Use The Correct Oil In Natural Gas Engines{1318,0374}
1985/03/04 3406B Truck Engines Have Been Improved For 1985{1000,1050,1052,1100,1200,1250}
1985/03/04 New Water Cooled Exhaust Manifold Elbows And Rear Manifold Are Used{1059}
1985/03/04 Discontinued D.C. Generators Replaced By Alternators{1404,1405}
1985/03/04 3208 Truck Engine Service Manual Available In Spanish{0375}
1985/03/04 Exhaust Clamp Nut Now Serviced Separately{1061}
1985/03/04 Do Not Weld On Painted Surfaces{0350,0679}
1985/03/11 New Air Cleaner Element Creates Less Restriction{1054}
1985/03/11 Cross Link Between Fuel Racks Has Smoother Surface{1250,1257}
1985/03/11 Installation Of Heli-Coils In Holes With Damaged Threads{0600,0670,0671}
1985/03/11 New Crankshaft Seal Groups Used On More 3400 Series Engines{1160,1161}