Higher Capacity Oil Pump Used{1304}
Usage:
3512 (65Z, 66Z, 67Z) Commercial Engines
Reference: Engine News, May 1994, page 6, "New Higher Capacity Oil Pump Used".
Description of Change: The oil pump on low speed engines has been changed to provide increased low idle oil pressure.
Adaptable To: The new 8N-6152 Oil Pump Group is a direct replacement to the former 7N-8715 Oil Pump Group. The new 8N-6152 Oil Pump Group is effective with 3512 (65Z837-Up, 66Z643-Up and 67Z1320-Up) Commercial Engines.
NOTE: Earlier engines may still be serviced by the original 7W-0053 Oil Pump with no detrimental effects.
Caterpillar Information System:
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1996/06/12 Troubleshooting Information{7569}
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1996/06/12 Check Cooling System If Exhaust Manifold Or Cylinder Head Gasket Is Damaged{1350}
1996/05/09 New Programmable Logic Control With In-Phase Monitor For Contactor Type Automatic Transfer Switches{4469}
1996/05/09 New Software For The Customer Communication Module{1926}
1996/06/12 Selection Of Service Harness For Engines With Electronic Ignition System{1408}
1996/06/12 New Part Kits Available For SR4B Generators{4469}
1996/06/12 Start-Up Procedure After Rebuild{1000}
1996/06/12 Turbocharger Nozzle Cleaning{1052}
1996/06/12 Improvements To Check Valve Within Prechamber Group Reduce Maintenance Schedule{1106}
1996/06/12 New Components In Accessory Drive Group And Alternator Drive Group Provide Improved Serviceability And Help Prevent Oil Leaks{1207,1425}
1996/06/12 New Hose Assembly And Clip Replaces Former Tube Assembly{1318}
1996/06/12 Preventive Measure For Protection Of Air Prelube Pumps{1319}
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1996/06/12 New Oil Pump Used As Service Replacement{3310}
1996/07/22 New Bench Checking And Setting Procedure For Fuel Ratio Control (FRC) Mechanical Goverened Engines{1264,1265}
1996/07/22 New Service Tool Calibration Pins For Mechanical Goverened Engines{1264,1265}