1993/04/12 Caterpillar

New Expansion Tank Assembly Used In Expansion Tank Groups{1354}

Usage:

3500 Family Of Engines Except 3508 (97Y),
3512 (51Y),
3516 (28Z) Vehicular Engines And 3508 (6TJ),
3512 (2WK),
3516 (9KF) Locomotive Engines

Reference: Service Magazine; April 7, 1989; Page 15; "Orifice Plates Can Reduce Foaming in Expansion Tank. "

Description of Change: A new expansion tank assembly is used in the expansion tank groups. The new tank includes a new baffle arrangement that will help prevent foaming. The new tank assembly does not require the installation of orifice plates. See the Reference Article.

Adaptable To: When used together, the new 7E7597 Tank Assembly, two 5P8245 Washers, and two 0S1585 Bolts are a direct replacement for the former 2W6333 Tank Assembly in the 8N7717 and 9Y5625 Expansion Tank Groups. The former tank assembly is canceled.

Caterpillar Information System:

1993/04/12 Adjustment Of 60670 Idle Air Lines Group (Idle Bleed Circuit){1266}

1993/04/12 New Seal Group Used In Water Pump Groups{1361}

1993/04/12 Fan Drive Pulley Group Components{1359}

1993/04/12 New Personality Modules Provide Improved Cruise Control{1902}

1993/04/12 Component Cross Reference Lists For Programed Electronic Engine Control (PEEC) And Electronic Systems{1900}

1993/04/12 7L4095 Exhaust Manifold Available For Parts Service{1059}

1993/04/12 Seal Kits Are Now Available For Balderson Hydraulic Hammers{6300,6333}

1993/04/05 Alternator Mounting Modifications{1405}

1993/04/05 New Alternator Support Bracket Used In Alternator Mounting Group{1405}

1993/04/05 Oversize Pistons Not Available{1214,1216}

1993/03/29 New Exhaust Manifold Group With Spring Energized Seals Between Cylinder Head And Manifold; New Exhaust Elbow And Seals In Air Lines Group{1059,1061,1052}

1993/03/29 Aftercooler Group Changed To Provide Stronger Housing{1063}

1993/04/12 New Damper Guard Group Used{7150}

1993/04/12 New Bearing Assemblies Used On Main Shaft{3322}

1993/05/03 Governor Control Adjustment {1264}

1993/05/10 Service Tips For Effective Repair Of Failed Turbochargers{1052,1063,1059}

1993/05/10 0R3735 Remanufactured Camshaft Available{1210}

1993/05/10 New Low Crevice Volume (LCV) Piston Body Assembly Used{1214}

1993/05/17 Baffles Available To Help Reduce Turbocharger Noise {1052,1058}

1993/05/17 New Fuel Injection Lines, Clamps, And Brackets Used In Fuel Injection Lines Groups {1252}

1993/05/24 Summary Of Changes To Timing Advance Drive Groups{1272}

1993/05/31 New Fuel Injector Group Help Reduce Plunger And Barrel Seizures{1290}

1993/06/07 New Jacket Water Heater Mounting Groups Include Improved Hoses{1383}

1993/06/07 New Electronic Speed Switch Assembly Used In Junction Box Groups Increases Service Life{1900}