Boss Added To Keep Bolts From "Bottoming Out" In Expansion Tank Groups{1354}
Usage:
3508, 3512, 3516 Industrial, Marine, Generator Set Engines Built Prior To November 23, 1989
Description of Change: A boss is added to keep bolts from bottoming out in the expansion tank group. On earlier engines with the new expansion tank, four bolts could bottom out leaving the joint loose. The boss is located between the washer and the support.
Adaptable To: The new 8B9725 Boss has been added to 9Y5625 and 8N7717 Expansion Tank Groups. The boss is adaptable to earlier engines with the above expansion tank groups. Four bosses are required.
Location of new boss.
Caterpillar Information System:
1990/06/18 Special Instruction SEHS8700 Available For Installation Of Engine Flexible Mounting Group{1152}
1990/06/18 New Digital Tachometers Available As Attachments{7462}
1990/06/18 Grinder Burns On Crankshaft Sidewalls{1202}
1990/06/18 "Ugly's Electrical-References" SEBD0983, Now Available{0114,0315,1400,7566}
1990/06/18 Gap Spacing Of Folded Core Radiators{1353}
1990/06/18 Multiple Row Module Radiators Are Available As An Attachment On Many Machines{1353}
1990/06/11 Answers To Quiz In This Issue {0113,0114,5050}
1990/06/11 New Washers Used In Auxiliary (Sea Water) Pump Group {1371,5573}
1990/06/11 Improved Radiator Group Resists Component Failure Caused By Vibration {1353}
1990/06/11 New 7C9580 Fuel Injector (Type 2) Available To Replace 2W5201 Fuel Injector (Type 1) {1290}
1990/06/11 Improvements To Auxiliary Fuel Filter Housing Assembly {1262}
1990/06/11 What's Your Answer? {0113,0114,5050}
1990/06/18 Improved Material Prevents Sagging Of Rear Manifold Section{1059}
1990/06/18 Correct Position Of Regulator Housing On Combined Water Lines Group{1393}
1990/06/25 New Water Regulator Prevents Leakage{1355,1393}
1990/06/25 New Jacket Water Heater Groups Have New Thermostat{1355,1383}
1990/07/02 Electrical System Damage From High Voltage {1400,1401,1405,1410,1453}
1990/07/02 Availability Of Replacement SR4 Generators {4450}
1990/07/02 Answers To Quiz In This Issue {0113,5050}
1990/07/02 Engine Rack Control Assemblies Improved {1257}
1990/07/02 New Fuel Setting Screw Cover And Bolt {1257}
1990/07/02 Procedure To Measure Cylinder Liner Projection On 3176 Truck Engines {1216}
1990/07/02 New Spark Plug Seal Used {1555}
1990/07/02 Valve Lifters Can Be Removed Without Removing Cylinder Heads {1112}