1992/10/05 Caterpillar

Thicker Head Gaskets Available For Use With Resurfaced Cylinder Blocks{1124}

Usage:

1.1 Liter Family Of Engines

A standard cylinder head gasket and a 0.25 mm (.010 in) thicker cylinder head gasket are available for 3114 and 3116 Engines. The standard gaskets are the 6I4689 Cylinder Head Gasket for 3114 Engines, and the 4P6930 Cylinder Head Gasket for 3116 Engines. These gaskets are intended for use when the block height (the distance from centerline of the main bearing bore to the top deck of the block) is within new block specifications [322.000 ± 0.017 mm (12.6770 ± .0007 in)]. The thicker gaskets are the 4P2591 Cylinder Head Gasket for 3114 Engines, and the 4P2590 Cylinder Head Gasket for 3116 Engines. These gaskets are intended for use ONLY when the cylinder block top deck has been resurfaced and the block height is less than 321.75 mm (12.667 in). The absolute minimum block height is 321.50 mm (12.657 in).

Caterpillar Information System:

1992/09/28 New NEXG4516 Marine/Industrial Service Program Module(SPM) Available {1900,0782}

1992/09/28 Service Tools Available {0600,0700}

1992/09/28 New Self Locking Bolt Used On Engine Side Covers {1201}

1992/09/21 New Fuel Injection Pump Groups Have Larger Diameter Camshaft Bores, New Lifter Assembly, And Shorter Plunger And Barrel Assembly{1251,1253,1281,1292}

1992/09/21 New Plug And O-Ring Can Help Prevent Oil Leakage At The Flywheel Housing Gasket{1157,1307}

1992/09/21 Replacement Mechanical Temperature And Pressure Gauges (Indicators) Retained By Push-On Metal Retainers{7450}

1992/09/07 Major Engine Component Changes{1201,1202,1205,1218,1219,1230,1253,1288,1331}

1992/09/07 Governor Specifications Are Available Through The Technical Information System{1264,0374}

1992/08/31 Supplemental Coolant Additive Requirements{1352,1395,1063}

1992/08/31 Connecting Rod Bearing Eliminates The Need For Mid-Life Connecting Rod Bearing Roll-In{1219,1202}

1992/08/31 Be Sure The Fuel Injection Pump Housing Is Compatible With 0R0715 And 0R2545 Remanufactured Short Blocks{1201,1253}

1992/08/31 New "3406B Engine Instructor Manual" Available{0374}

1992/10/05 New Cylinder Head Groups Provides Lower Valve Guide Temperatures{1100,1104,1112,1123}

1992/10/05 Product Support Literature{0374}

1992/10/12 Improved Hour Meters (Electric){7450,7480}

1992/10/26 Improved Windshield Wiper Motor Crank Assemblies Available For Parts Service{7305}

1992/10/26 3406 Truck Engine Component Update{1052,1119,1201,1202,1205,1214,1218,1254,1288,1803}

1992/11/09 Correct Identification Of Rocker Arm Assembly Components{1123}

1992/11/09 Relay Replacement Kits Available To Replace Relays In Engine Mounted Junction Box{1423,1422}

1992/11/09 Replacement Governors For Early Engines{1264}

1992/11/09 Improved Fuel Injection Line Assemblies And Clamps Used{1252}

1992/11/09 Oil Holes In Crankshaft Main And Rod Journals{1202}

1992/11/09 New Liner Seat Inserts Available{1217}

1992/11/09 New 690 Main Rotor Lamination For 3500 SR4 Power Generators{4457}