1983/08/15 Caterpillar


3512 Generator Set Engines (1500 And 1800 RPM) Must Use Flywheel Balance Weights{1156}

Usage:


The linear vibration that is present on 3512 Generator Set Engines (1500 and 1800 rpm) makes it necessary to use flywheel weights on the flywheel to reduce this vibration. When these 3512 Engines are equipped with a generator at the factory, these flywheel weights are installed before shipment. When a 3512 Generator Set Engine is sent from the factory without a generator, these flywheel weights are not installed on the flywheel, and they must be added.

There are three different flywheel weight groups that are used on these engines. See the chart that follows for the components of each weight group that are used with each generator arrangement.

In applications where a generator is used that is not a Caterpillar generator, information about which flywheel weight group that should be used is available from:

Caterpillar Tractor Co.
Sales Development
EPG Application and Installation Section
Mossville, Illinois 61629
U.S.A.
Phone: 309-578-6669

Caterpillar Information System:

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 Transmission Neutralizer Can Now Be Adjusted From Inside The Cab{3150,3181}
1983/08/15 Recommendations For Use Of 6V6125 Infrared Thermometer{0651}
1983/08/15 New Liner Seat Insert Available{1217}
1983/08/15 Information For Repair Of Hydraulic Fuel Ratio Controls{1278}
1983/08/15 Latch Kit Available For Repair Of Seat Cushion{7312}
1983/08/15 Stick Cylinder Rod Will Not Move In Fully Retracted Position; Cylinder Rod Has New Design{5458}
1983/08/15 New Service Tools Available{0600}
1983/08/08 New Procedure And New Tool Can Be Used To Remove Cylinder Sleeves From The Cylinder Block{1222,1223}
1983/08/15 Different Discs And Thrower Used In Flywheel Clutch Group To Prevent Damage From Heat{3052}
1983/08/15 New Bolts And Axle Housings Used{3260}
1983/08/15 Troubleshooting Engine Vibration; Damper Adapter Can Be Changed{1205,1000}
1983/08/15 New Fuel Ratio Control Group Has Improved Diaphragm{1278,1257,1251}
1983/08/15 New Water Seals Used In Cylinder Head Groups{1115,1101}
1983/08/15 Replacement Parts And Service For 6V3021 Crimping Tool And 6V3022 Cable Cutter{0610}
1983/08/22 New Differential Pinion And Ring Gear Make Less Noise{3280}
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 Grease Fitting Used In Blade Lift Group{5205}
1983/09/05 Use Of Steering Clutches To Put A Load On An Engine Can Damage Or Destroy The Clutch Discs{4101,4109,0374,1000}
1983/09/05 New Inspection Report Forms Available{0336,0372,7550}
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