New Seal Group Used In Seawater Pump{1371,1361}
Usage:
3606 ( 8RB ),
3608 ( 6MC ),
3612 ( 9RC ),
3616 ( 1PD ) Engines
Description of Change: A new seal group is used in 7W0045 Seawater Pump Group. The improved face seal has reduced spring force and a matte surface texture on the rotating tungsten carbide face to extend service life.
Adaptable To: The new 7E4442 Seal Group is a direct replacement for the former 7C6587 Seal Group, which has been cancelled.
7W0045 Seawater Pump Group.
Caterpillar Information System:
1989/12/18 Paper Liner Available For Centrifugal Oil Filters{1328}
1989/12/11 Cooling System Drain Valves Available{1372}
1989/12/11 Modification Of 2W1054 Screen Assembly For Use During Dynamometer Testing{1307}
1989/12/11 New Spark Plug Used In Ignition Groups{1555}
1989/12/11 New Camshaft And Lifter Kits Available For Slipper Type Cam Followers (Valve Lifters){1209,1210}
1989/12/11 Additional Information For Checking Valve Camshaft Timing{1105,1110,1112,1121}
1989/12/11 4C4213 Insulation Tester for Electrical Power Generation{0785}
1989/11/27 New Turbocharger, Piston And Fuel Ratio Control Used{1052,1214,1215,1278}
1989/11/27 Electrostatic Painting And/Or Incorrect Welding Can Cause Permanent Damage To Electronic Control Module (ECM){1706}
1989/11/27 Failures Of Unit Injector O-Ring Seals{1290}
1989/11/27 Improved Turbocharger Wash Water Lines Group Available On Engines Powered By Residual (Heavy) Fuel{1052}
1989/11/27 New Flanges Used And Gaskets Added To Water Cooled Turbocharger Exhaust Connections{1059,1070}
1989/12/25 New Assembly Method For Track Links Makes It Easier To Install And Adjust{4169,4170}
1989/12/25 Do Not Use 1U5555 Hydraulic Hose Press Pump Group In 230 Volt Circuits{0616,5057}
1989/12/25 New Cooling System Cleaner Now Available For All Engines{1350,0680,1352,1353}
1989/12/25 New Fuel Return Valve Prevents Siphoning{1253,1274}
1989/12/25 New Valve Assembly And Washer Used In Fuel Transfer Pump Group{1256}
1989/12/25 Improved Gaskets And Covers Used In Cover Groups, Connection Group And Water Lines Groups; New Clips Used In Water Lines Groups{1350,1063}
1989/12/25 Improved Valve And Injector Jam Nut Used In Valve Rocker Arm Group{1123}
1990/01/15 Separate Service Manual Microfiche Library Available For Engines Only {1000,0374,0375}
1990/01/15 Service Element Available For Flexible Coupling Group {3252}
1990/01/15 Unit Injector Tips Now Have An Improved Brazing Technique {1290}
1990/01/15 New Head Gasket Used On 3306B Truck Engines {1124,1100,1101}
1980/11/24 Coolant Conditioner Elements Are Now Available For 3208 Truck Engines