1981/04/09 Caterpillar


6V4163 Bit And 6V4164 Driver Now Available For Removal Of Bolts For Flyweight Carrier

Usage:




All Engines With Sleeve Metering Fuel System

An 8N2663 Carrier is now used instead of the former 4N446 Carrier in sleeve metering fuel systems. New bolts are used to hold the 8N2663 Carrier in place. The new bolts have a smaller internal hex than the former bolts.

The 6V4163 Bit and 6V4164 Driver are now available for removal of these bolts with the smaller internal hex.

The new driver and bit can be used with a higher torque than the 2P8263 Socket Assembly. This extra torque is necessary for removal and installation of the carrier bolts.


6V4163 Bit and 6V4164 Driver.

Caterpillar Information System:

1981/04/09 Low Engine Temperatures: Install Check Valve
1981/03/06 New Governor Spring Available For Specific Engine Applications
1981/03/06 New O-ring Seal Used In Egr (exhaust Gas Recirculation) Control Has Better Resistance To Heat Damage
1981/03/06 Check Oil Level Carefully To Prevent Operation With Too Much Oil In Engine Crankcase
1981/03/06 Two New Exhaust Manifolds Available For Replacement Of Single Rear Manifold To Prevent Broken Studs
1981/03/06 Do Not Adjust The Fuel Setting Or High Idle Higher Than Necessary
1981/03/06 Modification Of Flywheel Prevents Loose Clutch Pilot Bearing
1981/03/06 Later Pistons Have A Smaller Number Of Drain Holes In Oil Ring Groove
1981/03/06 New Turbocharger, Turbocharger Oil Lines Group And Aftercooler Air Lines Group Used
1981/03/06 High Concentration Of Aluminum In Oil Analysis Can Be The Result Of Rocker Arm Support Wear
1981/03/06 List Of Service Publications
1981/03/06 Changes Have Been Made To Caterpillar Service Literature
1981/04/09 Correction To Torque Specification For Locknuts On Valve Clearance Adjustment Screws Of Engines Equipped With Jacobs Engine Brakes
1981/04/09 Special Studs And Nuts Available For Exhaust Manifolds On Engines Used In Heavy Load Conditions
1981/04/09 Two New Oil Filter Assemblies Available; Always Use Correct Oil Filter And Follow Caterpillar Change Intervals
1981/04/09 Cooling System Cleaner Removes Rust And Corrosion
1981/04/09 Correct Refill Capacity For Engine Oil
1981/04/09 6V3197 Spacer, 6V3041 Tool Group Available For Use During Removal And Installation Of Piston Pin Bearings
1981/04/09 Clean Electrical Contacts In Exhaust Gas Recirculation (e.g.r.) Switch Group And Cover Assembly Before Installation
1981/04/09 Electrical Information For Egr (exhaust Gas Recirculation) Systems On 3208 Truck Engines So Equipped
1981/04/09 Improve Use Of Engine Service Manual Microfiche
1981/04/09 List Of Service Publications
1981/04/09 Check All Settings When Fuel Injection Pump Group Is Installed
1981/04/09 Use 6V4058 Universal Extension To Remove And Install Starter Bolts
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