Improved Fuel Transfer Pump Cover; Weep Hole Moved{1255}
Usage:
3500 Family Of Engines
Description of Change: The weep hole in the cover (bracket assembly) of the fuel transfer pump on the above engines has been relocated from the right side of the case to the lower left side. The new position allows for more complete drainage and protects the weep hole from the entry of foreign material or liquid.
Adaptable To: The improved 1W4121 Bracket Assembly is a direct replacement for the former bracket assembly. The part number did not change.
Caterpillar Information System:
1987/03/23 Pleasure Craft Cruise Kits Available{1000}
1987/03/23 Some Components Of The Transmission Mounting Group For Allison AT540 And AT545 Transmissions Are No Longer Serviced By Caterpillar{3279,1013,3009}
1987/03/23 Identification Of External Terminals On Alternators{1405,1406,1400}
1987/03/23 Dispenser Available For Shop Towels{0600}
1987/03/23 5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23 Cooling System Conditioner{1395,1350}
1987/03/23 Easy Five-Minute Coolant Conditioner Test With 8T5296 Coolant Conditioner Test Kit{1395,0786}
1987/03/16 Remanufactured Cylinder Heads For 3406 Engines{1100}
1987/03/16 New Voltage Regulators Used On SR-4 Generators{4450}
1987/03/16 Improved High Idle Display Of The 6V3100 And 8T5300/8T5301 Engine Timing Indicator Groups{0781}
1987/03/16 Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts{1400,1450}
1987/03/09 Improved Injector Clamp Eliminates Interference With Bridge {1290}
1987/03/23 Gasket Removed From Flywheel Housing Cover Groups{1157}
1987/03/23 New Clamps And Grommets For Turbocharger Oil Lines{1300,1307,1052}
1987/03/30 New Service Tools Available {0600}
1987/03/30 Piston Cooling Jets No Longer Used In Some Applications {1200}
1987/03/30 Oversize Bearings For Turbocharger Center Housings Available {1053,1052}
1987/03/30 New Washer Used In Fuel Transfer Pump Group {1256}
1987/03/30 Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts {1104,1103}
1987/03/30 Oversize Piston Ring Seal Available For Clutch Group {3302,3300}
1987/04/06 Stop Engine If There Is A Turbocharger Bearing Failure{1052,1318}
1987/04/06 Improved Governor Performance{1264,1250}
1987/04/06 Engine Identification Plate Information For 3406B (PEEC) Truck Engines{0782,1250}
1987/04/06 Rerate Plates And 4W5140 Engine Information Plate Available For Use When Rerating 3406B (PEEC) Truck Engines{0782,1250}