Improved V-Belts For Alternator{1405}
Usage:
D11N, 776B Tractors;
777B, 785 Trucks;
3500 Family Of Engines
Description of Change: The set of V-belts for driving the alternator on the above models has been improved. The new belt set is slightly shorter and will also stretch less after a period of use than the former belt set. The former belt set would lose tension when it stretched and could come off or break.
Adaptable To: The new 9L4013 V-Belt Set can be used as a direct replacement for the former 1N4223 V-Belt Set on the D11N Tractors, and also for the former 619508 V-Belt Set on 776B Tractors, 777B and 785 Trucks, and the 3500 Family of Engines.
Caterpillar Information System:
1986/09/22 More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22 Longer Adjusting Screw And Jamnut Available For Use In Valve Rocker Arms{1123,1105}
1986/09/22 Windshield Wiper Motor Cross Reference{7305}
1986/09/22 Time Requirement Guides (TRG) Available{0370,0374}
1986/09/22 Benefits Of Using The Caterpillar Inc. Product Information System{0330,0350,0373}
1986/09/08 Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08 Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed{1000,1100,1200}
1986/09/08 Product Support Literature For Military Machines{7567}
1986/09/01 Heavy-Duty Line Of Batteries Available To U.S. Dealers{1400,1401}
1986/09/01 New 9W6370 Electronic Speed Switch Adapter Cable Available For Use With 8T5200 Signal Generator/Counter Group{0600}
1986/09/01 Do Not Strike Pin Ends To Loosen Sealed And Lubricated Track{4175}
1986/09/01 Inspection And Replacement Of Parts In The Portable Track Repair Groups{0729,4171}
1986/09/29 Use Correct Compression Seal Washer (Gas Seal) On 7000 Series Fuel Injection Nozzles{1254,1250}
1986/09/29 Improved Damper Guard Used{1205}
1986/10/13 New Service Tools Available{0600}
1986/10/13 New Piston Oil Ring Gives Better Oil Control{1215}
1986/10/13 Water Level Switch Improved{1354,1350}
1986/10/13 Remanufactured Final Drive Hubs And Housings (U.S. And Canada){4000,4002,4054}
1986/10/20 New Oil Pump Relief Valve Guide{1304}
1986/10/20 Orifice Screen Assembly Now Used For The Timing Advance Mechanism{1251,1272,1288,1292}
1986/10/20 Caterpillar Crankshaft Heat Code Locations{1202}
1986/10/20 Check Connecting Rods After Engine Failures Involving Hydraulic Lock{1218,1225}
1986/10/27 Check Oil Drain Hole In OR2671 Or OR2621 Remanufactured Cylinder Heads If Head Used With Breather{1100,1300,1317}
1986/10/27 Stronger Oil Level Guide Used{1326,1300}