New Roller Camshaft Used
Usage:
3306, 3306B Truck Engines
Description of Change: A new steel camshaft and new roller lifter are used in 3306B ATAAC Truck Engines.
Adaptable To: The new 7E7261 Camshaft, 2W7043 Roller Lifter and 7E9758 Clip are direct replacements for the 7C3863 and/or 7E9980 Camshaft and 7S3161 Valve Lifter, when used together. The new components are effective with 3306B Truck Engine 63Z20461.
Caterpillar Information System:
1990/11/01 Use Only Stainless Steel Cylinder Liner Shims To Salvage Damaged 4.75 ' Bore Cylinder Blocks
1990/11/01 Some Components Of The 7E3580 Engine Adapter Group For Allison AT545, MT543D, And MT653DRD Transmissions Are Not Serviced By Caterpillar
1990/11/01 Modification Of 1U7791 Valve Seat Driver
1990/11/01 New Exhaust Manifold Bolt Tightening Procedure
1990/11/01 New Stronger Exhaust Valve Push Rod Used In Valve Mechanism Groups
1990/11/01 New Shim Improves Low Idle Stability Of Governor
1990/10/01 List Of Service Publications
1990/10/01 4C6600 Battery Voltmeter For Determining Battery Percent Of Charge
1990/10/01 New 4C5084 Oil Filter Cutter Replaces Former 6V7905 Filter Cutter
1990/10/01 Engine Service Training Literature Uses New Form Number
1990/10/01 New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads
1990/10/01 Increased Capacity Oil Sumps Require Additional Oil And Different Maintenance Interval
1990/11/01 New Camshaft Has Improved Wear Resistance
1990/11/01 Service Manual SENR3479-04 Available For Troubleshooting Engine Test Procedures
1990/11/01 Use Status Screen On Electronic Control Analyzer Programmer (ECAP) When Checking The Calibration Of The Timing And Rack Sensors; Correction To Systems Operation, Testing & Adjusting for 3406B (PEEC) Diesel Truck Engine, Form SENR3485-01
1990/11/01 Service Tips For Piston Cooling Jets (Tubes)
1990/11/01 Correct Procedures For Starting, Stopping And Transporting A Product With A Turbocharged Engine
1990/11/01 New Bearing Kits Used In Turbocharger Cartridge Groups
1990/12/01 New Bronze Thrust Plate Used On Center Main Bearing Of Crankshaft Groups
1990/12/01 New Seals Available For Parts Service Of Noncurrent Water Lines Group
1990/12/01 New Engine Magnetic Speed Sensor
1990/12/01 Personality Module Software Updated; Do Not Troubleshoot Diagnostic Code 55 (No Detected Faults)
1990/12/01 New Rotor Used In Brakesaver Group; Regulator Valve Improved
1990/12/01 Remanufactured Camshafts And Cam Kits Available For Parts Service