1999/10/25 Caterpillar


New Flywheel Housing Gasket For 3408 And 3412 Machine Engines {1152}

Usage:


Caterpillar Machines Powered by 3408 and 3412 Engines

Description of Change: A new multi-layer steel flywheel housing gasket will go into production on all 3408 and 3412 Machine Engines that are currently manufactured with a flywheel housing perforated steel core gasket. Machine engines that are currently being manufactured with an anaerobic seal will continue to be manufactured with an anaerobic flywheel housing seal. The new gasket will help prevent leaks between the flywheel housing and the cylinder block.

Adaptable To: On the 3408/3412 Engines, the new 161-7294 Gasket-Cylinder Block (multi-layer) is a direct replacement for the 7N-9331 Gasket-Cylinder Block (paper) and 109-4318 Gasket-Cylinder Block (steel core). The new 161-7293 Gasket-Cylinder Block (multi-layer) is a direct replacement for the 8N-1911 Gasket-Cylinder Block (paper) or 113-1474 Gasket-Cylinder Block (steel core).

Caterpillar Information System:

1999/10/25 New Hydraulic Accumulator Assembly Procedure Increases Service Life {5077}
1999/10/25 Improved Pump Mounting Increases Hub Retention {3203}
1999/10/25 New Lift Cylinder Eliminates Piston Bolt Loosening {5102,5951}
1999/10/18 Correction To The Converter Outlet Pressure {3030,3101}
1999/10/18 Correction To Braking System Specifications Module, RENR2510 {4269}
1999/10/18 Corrections To 994 Wheel Loader Parts Manual SEBP1920-07 {0374,5056}
1999/10/18 Test Harness For Power Train Electronic Control Module (ECM) {1408}
1999/10/18 New Turbocharger Group Includes A Stronger Compressor Wheel {1052}
1999/10/18 Flash Software Now Available {7620}
1999/10/11 Lubrication Of The Drive Shaft Spline {3251,3253}
1999/10/11 Improved Fuel Water Separator Reduces Plugging Of The Fuel Priming Pump {1258,1260,1263}
1999/10/11 New Clip Used On Hydraulic Tank Fill Tube {5056}
1999/11/01 Special Instruction For Installing New Air Suspension Seat And Wiring Is Available {0374,1408,7324}
1999/11/01 Special Instruction, REHS0434-02, Is Available {0374,6800}
1999/11/01 New Plates On Accumulator Support Provide Longer Service Life {5077,7107}
1999/11/01 Seals Used In Charge Pumps Are Now Serviced {3203}
1999/11/01 Correction To Disassembly And Assembly, Machine Systems, 992G Wheel Loader, SENR5893-01 {0374,6107}
1999/11/01 Customer Site License And Annual Subscriptions For VIMSpc99 Software Available {7601}
1999/11/01 Schematic Available For 994D Wheel Loaders {7601,7566}
1999/11/01 New ROPS Canopy Has Higher Gross Machine Weight Certification {7323}
1999/11/01 Improved Hydraulic Line For Pilot Control Increases Service Life {5057}
1999/11/01 Improved Corrosion Protection For Reman Major Components {3100,3150,4059}
1999/11/01 138-8440 Component Cleaner May Damage Electrical Connectors {0644}
1999/11/08 Drive Shaft Now Used {3253}
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