Overlap Joint On Crankshaft Front Seal Ring Prevents Leakage{1160,1202}
Usage:
D353 Industrial, Marine, and Vehicle Engines.
Description of Change: A new crankshaft front seal ring which has an overlap joint (see the illustration), is used in the D353 Engines to prevent oil leakage. The former crankshaft front seal ring had a butt joint which let oil leak through the joint.
Adaptable As: The new 7N9679 Seal Ring is a direct replacement for the former 6H5844 Seal Ring which has been canceled.
Overlap joint.
Caterpillar Information System:
1978/08/21 Take Advantage Of The Assembly Procedures And Specifications Charts{0374}
1978/08/07 Remove Fuel Injection Nozzles Before The Bottom Surface Of A Cylinder Head Is Cleaned{1254,1101}
1978/08/07 New Glow Plug Wiring Harness Prevents Short Circuit{1403}
1978/08/07 Four New Contact Points Added To 5P6524 Engine Timing Indicator Group{0653}
1978/07/10 Drill Hole In Handle Of Early 5P3520 Spanner Wrenches For Use With 5P8675 Extension Handle{0620}
1978/07/10 New Flange-Type Seal Used At Rear Of Crankshaft{1161}
1978/07/03 Disconnected Air Cleaner Hose Can Cause Engine Damage{1058,1051}
1978/07/03 New One-Piece Flywheel Housing Gasket{1157,1201}
1978/07/03 New BrakeSaver Rotor Support Prevents Damage To Seals And Stator{1155}
1978/07/03 Improved Seal Rings For Turbine End Of Turbochargers{1052}
1978/07/03 Use New Seal Drivers To Install Primary Seals In Vickers Pumps{0622}
1978/07/03 Use The Drive Sleeve On The Fuel Injection Pump Camshaft Only One Time{1286,1256,1251}
1978/08/21 Sleeve-Type Ring Compressors Can Be Used For Installation Of Pistons From The Bottom Of The Engine{0622}
1978/08/21 Improved Guide Pin For Fuel Injection Pump Lifters{1251}
1978/08/21 Improved Piston Pins Are Made Of Different Material For Better Hardness Characteristics When Heat Treated{1214}
1978/08/28 Tips For Service Information Retrieval System (SIRS) Users{0374}
1978/08/28 A New Ram Support For Use With The Field Service Hose Press{0623}
1978/08/28 Change In Procedure To Check Main Bearing Clearance{1203}
1978/08/28 New Design Seals Decrease Shaft Wear In Fuel Transfer Pump{1256}
1978/08/28 New 5P8744 Adapter Assembly And Special Instruction Procedures For 5P4150 Nozzle Tester Group{0650}
1978/08/28 New Oil Supply Line And Gasket For Turbocharger{1307,1052}
1978/08/28 Different O-Ring Seals Now Used In Fuel Injection Pump Group{1251}
1978/09/04 New Camshaft Rear Bearing For The Sleeve Metering Fuel System{1253}
1978/09/04 New Vent Tube For Water Cooled Turbocharger{1380,1052}