Initial Valve Lash Checking Interval Changed {1105}
Usage:
3116 ( 2BK ) Truck Engines
The initial valve lash check interval has been changed from 6000 miles or 250 hours to 48,000 miles or 2000 hours. This interval corresponds to the initial unit injector timing check interval.
Make a note of this information in the Operation And Maintenance Manual.
Caterpillar Information System:
1991/08/26 New Hose Used To Connect Turbocharger Compressor Outlet To Air To Air Aftercooler (ATAAC) Inlet Tubing {1052,1063}
1991/08/12 Do Not Use RTV Sealant On Valve Cover Gaskets{1107,1120,7555}
1991/07/22 New Turbocharger Turbine Nozzle Provides Higher Boost And Lower Exhaust Temperatures {1052}
1991/07/22 New Return Spring Used In Unit Injectors {1290}
1991/07/22 New Throttle Actuator In Governor Groups Improves Engine Stability {1289}
1991/07/22 New Video Tape, SEVN1962, Shows Correct Procedures To Counterbore Top Deck Of Cylinder Block And Install Liner Insert {1201,0374,1216}
1991/07/08 Larger Washer And Longer Bolt Used On Magneto Mounting Flange{1552,1556}
1991/07/08 New Crankshaft Seal Groups Provide Increased Protection From Dirt And Dust{1160,1161}
1991/07/08 Full Load Setting (FLS) And Full Torque Setting (FTS) Should Be Correctly Programmed{1901,0782,1257,1908,7557}
1991/07/08 New Dual Service Program Module (SPM) Available{1901}
1991/07/08 Dowel Hole Removed From 8N3946 Governor Housing Improves Service Life{1287}
1991/07/08 Caterpillar Original Equipment White And Yellow Paint Is Available In Aerosol Cans For Touch-Up Purposes{0652,7559,7581}
1991/08/26 New Water Temperature Regulator (With Internal Vent Valve), Regulator Housing, Pipe, And Gasket In Water Lines Group {1355}
1991/08/26 New Exhaust Manifolds And Wastegate Mounting Used On 3508 (2JF), 3512 (4KC), 3516 (3RC) SI Industrial Engines {1059,1057,1065}
1991/08/26 Rectifier and Suppressor Changes to 807, 808, 809 and 815 Frame Generators {4465,4466}
1991/08/26 New Fuel Injection Lines Used On 3306B (63Z) Truck Engines {1252}
1991/09/02 Always Use A Digital Voltmeter For Battery Testing{0785,0709,1401,7468}
1991/09/02 Service Tips For Turbocharger Removal And Installation{1052}
1991/09/02 Service Tips For Cleaning Air-To-Air Aftercooling Systems{1063}
1991/09/02 California Laws Target Excessive Smoke{1250}
1991/09/02 Fuel System Parts Information{1251,1264,1250}
1991/09/02 Fuel Nozzle Orifice Erosion{1254,1250}
1991/09/02 New Flange Assembly And O-ring Seal Prevent Oil Leakage Between Magneto And Magneto Drive Housing{1552,1556}
1991/09/09 New Camshafts Provide Increased Power, Reduced Fuel Consumption, Reduced Exhaust Temperature, And Reduced Emissions{1210}