Fuel Transfer Pump Improved
Usage:
3306B, 3406B Truck Engines
Description of Change: Fuel transfer pumps on the above engines now use new valve assemblies and a new spacer in the piston. See illustration. The new valve assemblies have better life at low temperatures and less flow restriction. The new valve assembly in the piston requires a thicker spacer.
Location of new parts in transfer pump.
Adaptable To: The new pump parts are effective with 3306B Truck Engine 63Z2620 and 3406B Truck Engine 7FB41755. The new parts can be used as direct replacements for the former parts.
Caterpillar Information System:
1985/09/01 List Of Service Publications
1985/09/01 New Caterpillar Truck Engine Air Filters (north America)
1985/09/01 Maintenance Management
1985/09/01 Steel Fuel Pump Lifter Used
1985/09/01 Check Fuel Injection Nozzles In Overheated Engines
1985/09/01 New Tools Available To Change Brakesaver Control Valve Diaphragm
1985/09/01 New Engine Pressure Group Available
1985/09/01 New Air-to-air Aftercooler Arrangement Used On Truck Engines
1985/09/01 Inform Caterpillar Dealer Of Major Modifications To Caterpillar Engines And Change In Truck Owners
1985/09/01 Use Correct Valves When Rebuilding Engines
1985/08/01 Why Choose Caterpillar Remanufactured Crankshafts? Because We Offer More ...
1985/08/01 Thread Lock Now Used On Timing Advance Bolts
1985/10/01 "Routine" Mid-Life Roll-Ins Of Main And Connecting Rod Bearings No Longer Recommended
1985/10/01 Two, New Top Dead Center Magnetic Transducers Available
1985/10/01 Maximum Wear Limits Established For Camshaft Roller Followers
1985/10/01 Recommendations For Cooling System And Cold Weather Operation
1985/10/01 New Bleed Screw Used In Fuel Injection Nozzle
1985/10/01 New Keystone Ring Groove Gauge Available
1985/10/01 Fuel Economy Is Often Elusive, But It's Been There All Along
1985/11/01 Two Different Piston Oil Ring Designs Used
1985/11/01 Special Bolts Help Prevent Unauthorized Modification Of Fuel System And Governor Settings
1985/11/01 Comparison Of Fuel Timing Tolerances For Field Settings
1985/11/01 Engine Information Plate Contains More Data; Use Of Performance Specifications
1985/11/01 Check Fuel Injection Replacement Pump Installation