Improved Water Pump Group Now Used
Usage:
All 3208 Engines
Description of Change: A new water pump group is used on 3208 Engines. The new water pump group has the characteristics that follow:
-
- ... Can be rebuilt with use of typical shop tools.
- ... Has heavier bearings for increased load capacity and longer service life.
- ... The pump drive pulley will not loosen as easily.
- ... Can be rebuilt with use of typical shop tools.
Adaptable As: Direct replacement.
Location of parts in new 9N5023 Water Pump Group, except for 9N137 Gasket which is not shown.
Caterpillar Information System:
1978/01/18 New Turbine Housings Are The Replacement For Three Former Turbine Housings Used On Schwitzer Turbochargers
1978/01/18 Improved Water Shield For Exhaust Manifold
1978/01/18 Improved Front Pulley And Damper Groups Use New Damper Adapter With Larger Diameter Bolt Circle For Pulley Bolts
1978/01/18 Maintenance Instructions For Coolant Conditioner Elements
1977/12/14 Add Chamfer To Cartridge Assembly Bearings To Prevent Oil Leakage
1977/12/14 Excessive Oil Consumption Can Be Caused By Dirt In Air Inlet System Or By Flaking Of The Piston Compression Ring
1977/12/14 Water Separators Needed On Engines In The Field With SMFS
1977/12/14 List Of Service Publications
1977/12/14 New Coolant Tube And Regulator Housing Used With Water Cooled Exhaust Manifold Gives More Clearance For Hooks To Lift The Engine
1977/12/14 Separate Parts Of Oil Pump Cover Now Available
1977/12/14 Improved Mounting Base For Air Compressor
1977/11/30 New Fuel Injection Valve Assembly Has Improved Internal Components
1978/01/18 Improved Seal Used Between Impeller And Bearings On Water Pump Shaft
1978/01/18 List Of Service Publications
1978/01/18 Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures
1978/01/18 Inner Member Of Caterpillar Coupling Must Be Restrained If The Connection To The Inner Member Is Removed
1978/01/18 Tolerance Added To Valve Clearance Specifications
1978/01/18 Turbine Housing For Turbocharger Is Stronger
1978/01/18 5P8665 Cylinder Liner Puller Makes Liner Removal Easier And Faster
1978/01/18 Improved Gasket Prevents Oil Leakage From The Governor
1978/02/08 Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups
1978/02/08 Do Not Change Factory Fuel Or Speed Settings On Truck Engines Unless New Settings Are Certified Under Applicable EPA Regulations
1978/02/08 Attachment Groups Put Corrosion Inhibitor Directly Into Cooling System
1978/02/08 Complete Set Of Contact Points For Dial Indicators Is Now Available In One Group