Hardened Washers Now Used On Bolts For Fan Shroud
Usage:
3406, 3408 And 3412 Industrial Engines
Description of Change: Hardened washers are now used on the bolts which hold the fan shroud to the radiator on 3406, 3408 and 3412 Industrial Engines.
The new washers also have a larger outside diameter than the former washers. It was some times possible for the former washers to bend.
Adaptable As: The new washers are a replacement for the former washers as shown in the chart. The former washers are still available for use in other applications.
Caterpillar Information System:
1980/04/30 List Of Service Publications
1980/04/30 Crankcase Capacity Increased And New Oil Level Gauges Used; Specifications For Conversion Of Existing Gauges
1980/04/30 Boring Machine, Adapter Groups And Sleeves Available For Repair Of Damaged Cylinder Blocks
1980/04/30 Wrong Installation Of Oil Cooler Gasket Can Cause High Oil Temperatures
1980/04/30 Main And Connecting Rod Bearings With Cavitation Erosion Can Be Used Again
1980/04/09 Caution: Outboard Bearing Must Be Removed From Extended Shaft Of Front Power Takeoff Before The Engine Is Moved
1980/04/09 Important: Use Only 12 Volts Direct Current To Boost Start 3208 Truck Engines Equipped With Exhaust Gas Recirculation Systems
1980/04/09 Remanufactured Short Blocks Are Available For Repairs Of Early 3406 Engines
1980/04/09 Different Water Temperature Regulators Now Used To Prevent Overheating
1980/04/09 Dowtherm 209 Full-Fill Coolant
1980/04/09 6V2023 Flow Check Adapter Group Is Available
1980/03/12 New Control Valve Body
1980/04/30 Improvements Made To Water Separator Groups
1980/04/30 New 1N3270 Auxiliary Drive Group Available As Attachment
1980/04/30 Different Vibration Damper Now Used
1980/04/30 New Top Piston Ring Has Plasma-Coated Face
1980/04/30 New Liner Seat Insert For No. 1 And No. 4 Cylinders Of D353 Engines
1980/05/14 New 6V2120 Spline Sprocket Improves Depth Control Of 5P4175 Boring Tool Group
1980/05/14 Changes To 9S240 Rack Position Tool Group; Revision To Special Instructions
1980/05/14 Turbine Wheel Shroud Design Changed; Snap Ring No Longer Used
1980/05/14 Use The FT1525 Alignment Pin And FT1526 Fixture When Reconditioning Earlier 3208 Sleeve Metering Fuel Systems
1980/05/14 Changes To Oil Level Gauge Group Improve Accuracy Of Oil Level Indications
1980/05/14 List Of Service Publications
1980/05/14 Boss Can Be Removed From Spacer Plate Cylinder Block To Get Clearance For Oil Filler Tube