New Pulley Group With Tapered Bearings{1358}
Usage:
943, 953 Loaders;
215 Excavators;
3204 Industrial Engines
Description of Change: A new pulley group is used in the fan belt tightening groups on the above machines. The new pulley group uses tapered roller bearings instead of the ball bearings used with the former design. The roller bearings give the pulley group an improved service life.
Adaptable As: The new 4W3519 Pulley Group is a direct replacement for the 8N6966 Pulley Assembly, which is canceled. The new group uses a 6V9340 Bearing Assembly.
Caterpillar Information System:
1984/05/21 Improved Valve Used In Air Starting Lines Groups{1451}
1984/05/21 Borescope And Light Source Available For Internal Inspection Of Passages On Most Caterpillar Products{0600,0690}
1984/05/21 Improved Cylinder Head Gasket{1101,1201}
1984/05/14 Vehicle Electrical System Can Have Power When The Disconnect Switch Is In The Off Positon{0353,1400}
1984/05/14 New Valve Assembly And Seal Used In Fuel Transfer Pump{1256}
1984/05/14 New Seal For Fuel Injection Pump Housing Is More Resistant To Heat Damage{1253}
1984/05/14 New Speed Setting Motor Assembly On Woodward PSG Governor Has More Resistance To Moisture And Vibration Damage{1264}
1984/05/14 Gasket Changed For Cylinder Block Side Cover{1201,1362}
1984/05/07 New Recommendation For Oil Hole Location During Installation Of Camshaft Bearings{1211}
1984/05/07 Install Muffler With Drain Hole Down{1062}
1984/05/07 New Hoses In Water Lines Group Give Better Performance At Higher Temperatures; New Hose Clamps Also Used{1050,1059,1350}
1984/04/23 Correct Oil Level And End Play Settings For Marine Transmission{3303,3305,3354}
1984/05/21 Quadrants Improved In Governor Control Groups{1265,1264}
1984/05/21 Different Thread Lubricant Can Be Used On Connecting Rod And Counterweight Bolts{1202,1218}
1984/06/04 Reusability Of Brake Pads{4273,4255}
1984/06/04 Drain Line Added To Reduce Pressure In BrakeSaver Housing{1155}
1984/06/04 Salvaging Cylinder Block Top Decks After Liner Seat Erosion{1201,1216,1217}
1984/06/04 FT1818 Track Link Grinding Stand And FT1844 Track Pin Grinding Attachment Available{0664,0665,4169,4171,4174,4175}
1984/06/04 Information Concerning Caterpillar XT Hose{7554}
1984/06/04 New Color Used For Fan Belt Tightener Spring{1358}
1984/06/04 Remanufactured Oil Pumps Available{1304}
1984/06/04 Excessive Oil Consumption: Check The Accuracy Of The Oil Level Gauge{1302,1316,1318}
1984/06/04 New Bearing Race Is Used On The Auxiliary Drive{1359}
1984/06/11 New Air Start And Override Valve Has Stronger Mounting{1451}