New Mounting Bolts Used In Aftercooler Housings
Usage:
3306, 3306B Truck Engines With Turbochargers And Aftercoolers
Description of Change: Self-locking bolts are now used in the four locations on aftercoolers where short bolts are used on 3306B Truck Engines. The self-locking bolt has better torque retention capabilities than the former bolts.
Adaptable To: The new 343557 Bolt is a direct replacement for the former 1A2029 Bolt. The new bolt is effective as shown in the chart and is adaptable to all earlier engines. The new bolt should be tightened to the standard torque of 45 ± 7 N·m (32 ± 5 lb ft).
Caterpillar Information System:
1988/12/01 Rechargeable Portable Printer Available
1988/12/01 New Camshaft Used; Camshaft Installation Kit Available
1988/12/01 Larger Valve Springs Must Be Used With Williams Blue Ox ® 485 kPa (70 psi) Exhaust Brake; New Spring Compressor Group Available
1988/12/01 Revised Instructions For Installation of New Maintenance Free Batteries
1988/11/01 $25 Rebate For Members Of Caterpillar Truck Engine Owners Club (U.S. Only)
1988/11/01 New Liner Seat Insert Available
1988/11/01 Be Sure To Follow Cooling System Recommendations
1988/10/01 List of Service Publications
1988/10/01 New Service Tools Available
1988/10/01 Check Valve Added To Keep Air From Entering Fuel System
1988/10/01 New Graphite Exhaust Manifold Gasket Replaces Stainless Steel Gasket
1988/10/01 New Flywheel Assemblies Used In With Rear PTO Arrangements
1989/01/01 New Head Gasket Available; Head Gasket Replacement Guidelines
1989/01/01 Correct Timing Specification
1989/01/01 New Screw Used In Brakesaver Water Lines Group
1989/01/01 Remove Fuel From Electronic Control Module (ECM) Before Shipping
1989/01/01 New Special Instruction Available - "Storage Procedure For Caterpillar Products"
1989/01/01 High Performance Maintenance Free Battery Available
1989/01/01 List Of Service Publications
1989/02/01 Troubleshooting 3406B (PEEC) Truck Engines Equipped With Power Demand Cruise Control (PDCC)
1989/02/01 Cold Start Procedures For 3406 (PEEC) Truck Engines
1989/02/01 New Publication Available- "Coolant And Your Engine"
1989/02/01 Surface Marks On Roller Bearing Cages Are Not Cracks
1989/03/01 New Features And Enhanced Fault Codes Available In New PEEC Personality Modules