1981/06/29 Caterpillar


Ring Now Used To Hold Bearing In Auxiliary Drive Group{1165}

Usage:


3408 Industrial And Marine Engines

Description of Change: A ring has been added to the auxiliary drive group (right hand rear) for 3408 Industrial And Marine Engines.

The ring has been added on the shoulder of the gear. It will not let the bearing slide off the gear.

Formerly, no ring was used; the bearing had a press fit. At times, it was possible for the bearing to move off the shoulder of the gear.

Adaptable To: The 8J8322 Ring is adaptable to the 4N8505 Auxiliary Drive Group on all 3408 Industrial and Marine Engines.


Location of the 8J8322 Ring.

Caterpillar Information System:

1981/06/29 Improvements Give Added Strength To Main Frame{7051}
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1981/06/22 New Blade Tip Brackets Used With New Circle And Beam Assembly For Stronger Blade Support{5254,6154}
1981/06/22 Cylinder Liners Can Now Be Reconditioned Automatically{0664,0674,1216}
1981/06/22 6V3145 Leveler Now Available{0644}
1981/06/15 Change To 6V95 Socket; Modification Of Existing Sockets{0612}
1981/06/15 Supplemental Steering Now Automatically Activated{4324,4306,4307}
1981/06/15 Plastic Cases Now Available For Electronic Testing And Diagnostic Equipment{0630,0650}
1981/06/15 New Recommendation To Check Nitrogen Charge In Transmission Accumulators{3167}
1981/06/08 Remanufactured Clutch Plates Available For Power Shift Transmissions{3155,0375}
1981/06/08 Troubleshooting Water In Shut-Off Solenoid Housing{1259}
1981/06/08 Spring-Activated Brake Lock (Parking Brake) Now Used{4115,4114,4112,4111}
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1981/06/29 Changes Made To Brake Lines And Brake Oil Cooler Lines{4257,1365,5057}
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1981/06/29 Use 6V4828 Snap Ring Pliers To Remove Snap Rings From Turbocharger Housing{0610,1052}
1981/06/29 New Inlet Lines To Radiator Permit Easier Assembly{1353,1380}
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1981/07/06 6V3176 Relief Valve Available For Center Hole Double Acting Hydraulic Cylinders{0623}
1981/07/06 Specifications For Reconditioning Of Final Drive Inner And Outer Housings{4052,4059,4062}
1981/07/06 New Turbocharger, Turbocharger Oil Line And Aftercooler Air Lines Group Used{1052}
1981/07/06 Mailing Of Engine News And Truck Engine News Microfiche Libraries{0374}
1981/07/06 All Size Identification Marks On Engine Bearings Are Now Shown In Millimeters{1000,1230,1219,1203}
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