1981/04/09 Caterpillar

6V3197 Spacer, 6V3041 Tool Group Available For Use During Removal And Installation Of Piston Pin Bearings


All 3406, 3408 Truck Engines

The angle of the taper on connecting rods for 3406 and 3408 Truck Engines has been changed. The angle is now 9 ° instead of 6°. The 6V3197 Spacer has been released for removal and installation of the piston pin bearings on these connecting rods. The spacer is used with the 5P8650 and 5P8649 Adapters in the 5P8648 Tool Group.

Add the information which follows to Special Instruction, Form No. SMHS7295-02.

On Page 3 in the tool chart in the center of the page:

... change "5P8650" to "5P8646-9°, 5P8650-6°",
... change "5P8651" to "6V3197-9 °, 5P8651-6°,"
... change "5P8649" to "5P8645-9 °, 5P8649-6°".

On page 4, add the information that follows to the chart, " Tapered Connecting Rods:"

The procedures given in Special Instruction, Form No. SMHS7295-02 are correct for use of the 6V3197 Spacer and the 6V3041 Tool Group.

Caterpillar Information System:

1981/04/09 Correct Refill Capacity For Engine Oil
1981/04/09 Cooling System Cleaner Removes Rust And Corrosion
1981/04/09 Two New Oil Filter Assemblies Available; Always Use Correct Oil Filter And Follow Caterpillar Change Intervals
1981/04/09 Special Studs And Nuts Available For Exhaust Manifolds On Engines Used In Heavy Load Conditions
1981/04/09 Correction To Torque Specification For Locknuts On Valve Clearance Adjustment Screws Of Engines Equipped With Jacobs Engine Brakes
1981/04/09 6V4163 Bit And 6V4164 Driver Now Available For Removal Of Bolts For Flyweight Carrier
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
1981/04/09 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
1981/04/09 Fuel Pressure Relief Valve Is Shown Inverted (wrong End Up) In Parts Book Illustrations
1981/04/09 6V3150 Engine Pressure Group Gives Direct Indication Of Manifold Pressure
1981/05/12 Crankshaft Failures; New Thrust Plate
1981/05/12 New Tool Makes Glow Plug Wire Removal Easier
1981/05/12 Remove Direct Injection Fuel Nozzles With 6V4061 And 6V4054 Nozzle Pullers
1981/05/12 Larger Valve Springs
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