Silicone Sealant Is Now Used To Keep Water Out Of The Steering Clutch Case{4059,4100,4106,4115}
Usage:
D3 Tractors;
931 Loaders
Description of Change: A different sealant is now used to keep water out of the steering clutch case on D3 Tractors and 931 Loaders.
R.T.V. (Silicone) 3S6252 Sealant is now used on the 6S3273 Covers which are installed on top of the steering clutch case. Formerly, a liquid gasket material was used as a seal between the 6S3273 Covers and the steering clutch case.
The 3S6252 Sealant is also used between the 6S9249 Housing Assembly and the steering clutch case. (The 6S9249 Housing Assembly is the point where the brake linkage enters the steering clutch case.) Formerly a 6S4061 Gasket and liquid gasket material were used at this location.
Adaptable To: All D3 Tractors and 931 Loaders.
Caterpillar Information System:
1978/01/30 Air Line For Air Compressor Governor Now Connected To Outlet For Wet Air Tank{4272,1065,4278}
1978/01/30 Retaining Ring Of A New Design Now Used In Torque Converter Group{3100}
1978/01/30 Do Not Change Factory Fuel Or Speed Settings On Truck Engines Unless New Settings Are Certified Under Applicable EPA Regulations{0336,0337,1257}
1978/01/30 Breather For Transmission Case Now Made Of Metal{3150}
1978/01/30 New Water Pump Cover Has A Baffle And Wall To Send Coolant Flow From Bypass Line Directly Into Water Pump{1361}
1978/01/30 New Spring Used In Belt Tightener And/Or Fan Drive Groups{1358,1359}
1978/01/30 Oil Strainer (Screen) Added To Turbocharger Thrust Bearing{1052,1053}
1978/01/30 Electric Fuel Pressure Gauge Now Used{7456}
1978/01/30 Rectifiers And Fuses Added To Transmission Control Wiring Increase Switch Service Life{1408,3168,3172,3173,3174}
1978/01/30 Improved Electrical Wiring Has A Separate Fuse For Each Circuit{1408}
1978/01/30 Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1978/01/30 Additional Parts Needed To Install 54 Winch On Tractors Equipped With Steel Fuel Lines On The Fuel Tank{5163}
1978/02/06 Adjustment Of Track Tension On Machines With One Carrier Roller Per Side{4150}
1978/02/06 Add New Measurement And Identification To FT904 Backlash Indicator{0653,3258}
1978/02/06 Stronger Clutch Housing Used In Variable Capacity Torque Converter{3102}
1978/02/06 Successful Engine Service-3208 Engine Booklet Is Available{1000}
1978/02/06 New Water Temperature Regulator Opens At 180°F (82°C){1350,1355,7304}
1978/02/06 Probable Causes Of Low Fuel Delivery During Testing On Fuel Injection Test Benches{0650,1250}
1978/02/13 Replacement Seal Group For Water Pump Impeller Now Has All The Seal Parts Plus An Installation Tool{1361,0622}
1978/02/13 Complete Set Of Contact Points For Dial Indicators Is Now Available In One Group{0653}
1978/02/13 Several Improvements Made To Lines Group In Area Of The Hitch{5057,5077}
1978/02/13 Improvements Made To Push Frame; Instructions To Make Reinforcements On Earlier Push Frames Available{6225}
1978/02/13 Strip Added Under The Hinge For The Front Windshield On ROPS Cabs{7325}
1978/02/13 Check Degree Number On Timing Fixture Plate Assemblies{0650}