New Viton Rubber Seals Used
Usage:
3500 Family Of Engines
Description of Change: New O-ring seals are used in many groups on the 3500 Family Of Engines. The new O-ring seals are made from Viton rubber. The new material makes the seals more resistant to becoming hard when exposed to heat.
Adaptable To: The part numbers of the new and former O-ring seals, along with the group name where the seals are used, are listed in the following chart.
Caterpillar Information System:
1989/06/01 List of Service Publications
1989/06/01 Identification Of Asbestos-Free Material
1989/06/01 "CXP Fluids" Are Now "Cat Fluids"
1989/06/01 Vibration Measurement System For Caterpillar Products
1989/06/01 New Upper and Lower Seals For Folded Core Radiators In Cold Temperature Applications
1989/06/01 New Front Crankshaft Seal Requires New Installer Tool
1989/06/01 New Extension Assembly Used In Gas Engine Ignition Groups
1989/06/01 Maintenance Inspection Of Emergency Shutdown Systems Required Every 1000 Hours
1989/05/01 Procedure For Replacing Batteries Or Battery Cables
1989/05/01 New Head Gasket Used
1989/05/01 New Valve Stem Seal Used On Inlet Valves And Added To Exhaust Valves
1989/05/01 Do Not Prefill Secondary Fuel Filter
1989/07/01 New Connector With An Orifice Added To Fuel Injection Lines Groups To Help Prevent Cavitation
1989/07/01 New Seal Used In Auxiliary Fresh Water Pump Groups
1989/07/01 Damper Groups Improved To Help Prevent Leaks Of Viscous Fluids
1989/07/01 New, Larger Vibration Damper Improves Wear Life
1989/07/01 Special Instruction, "Battery Charging Rate And Time Tables," Available On Oil Resistant Paper
1989/08/01 Shock Mounts Give Longer Life To 9F3099 Switch Assembly (Starter Relay)
1989/08/01 Improvements To Attachment Altronic® Ignition Systems
1989/08/01 Improved Head Gasket Used; Summary Of Earlier Gaskets And Service Tips
1989/08/01 New Oil Change Recommendations For Severe Applications
1989/08/01 New Watercooled Exhaust Manifolds
1989/08/01 Stronger Spacer Plate Prevents Cracking
1989/08/01 Improved Control Rod Assembly Used In Fuel Injection Control Groups