New Basic Turbocharger Group Prevents Possible Failures Of Compressor Wheel
Usage:
3412 Industrial And Marine Engines
Description of Change: A new basic turbocharger group is used in the water cooled turbocharger group for 3412 Industrial and Marine Engines. The new basic turbocharger group uses a different cartridge, compressor housing, and turbine housing, and will give longer service life than the former group. With the former turbocharger, some conditions caused a failure of the compressor wheel after operation for an extended period of time.
Adaptable To: All earlier engines.
Caterpillar Information System:
1981/11/25 List Of Service Publications
1981/11/25 New Clearance Specifications For Oil Pump Rotor Tip
1981/11/25 Improved Element Assemblies Used In Jacket Water Heaters
1981/11/25 Reference Chart For Major Production Changes On 3208 Engines
1981/11/25 New Parts And Assembly Procedure Used On Main Shaft
1981/11/25 Part Number For Fuel Injection Pump Group In New Location
1981/11/25 New Regulator And Field Coil Assemblies Used
1981/10/21 New Cylinder Block Permits Use Of A Small-Frame Turbocharger
1981/10/21 Use Of Engine Supports On Flywheel Housing Can Change Face And Bore Runout Measurements
1981/10/21 Service Manual Information About Inside Diameters Of Valve Guides
1981/10/21 Wrong Assembly Or Adjustment Of Governor Linkage Can Cause Failure
1981/10/21 Lubricant Gives Protection To Camshaft And Roller During Initial Start-Up
1981/11/25 Check Bottom Surface Of Cylinder Liner Flange For Erosion And Wear
1981/11/25 Use Of Metric Fasteners
1981/11/25 New Shaft Assembly Used In Flexible Coupling Arrangement
1981/12/16 New Spacer; New Shaft Assembly Permits Pressure Lubrication Of Sun Gear
1981/12/16 New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group
1981/12/16 New 6V4190 Auto Programmer Group And 6V4865 Auto Programmer Connector Used With 6V2100 Multitach
1981/12/16 New Air Cleaner Group Has Six Clamps For Improved Seal
1981/12/16 How To Remove The 7L4511 Sleeve Assembly From Aftercoolers
1981/12/16 New Tube And Cover Assembly Make Service Easier
1981/12/16 New Cylinder Liners And O-Ring Seals Give Longer Seal Life
1981/12/16 Make Sure Coolant Conditioner Elements Are Changed At Correct Intervals
1981/12/16 Plate Added To Hold Oil Lines In Adapter For Left Side Oil Filter