New Valve Lifter Assembly Provides Improved Lubrication Of Lifter Roller And Camshaft Lobes{1209,1210}
Usage:
Caterpillar Machines Powered By 3406C (11N, 70V),
3408C (48W),
And 3412C (73W) Machine Engines
Description of Change: A new valve lifter assembly is used on the engines in the above machines. The new valve lifter assembly provides continuous lubrication to the valve lifter roller and the camshaft lobe. The increased lubrication will result in increased service life for the lifter and camshaft. The new valve lifter assembly has increased the size of the lower thrust land to provide increased scuff resistance.
Adaptable To: The new 101-7788 Valve Lifter Assembly is a direct replacement for the former 9Y4011 Valve Lifter Assembly.
Caterpillar Information System:
1994/06/20 New Rocker Arm Adjustment Screw Used To Adjust Valve Clearance{1123,1100}
1994/06/20 New Intake And Exhaust Valves Used{1105,1100}
1994/06/20 Ball Bearing With Bronze Cage Is Available From Parts Service For Use In Transmission Planetary Groups{3160}
1994/06/20 Differential Carrier Now Has A Tighter Fit Into The Rear Axle Housing{3284}
1994/06/20 New Required Tools For Servicing Certain Current Off-Highway Trucks And Tractors
1994/06/20 Test Procedure For Torque Limiter Used On Hydraulic Pump{5070}
1994/06/20 Improved Key Start Switch Improves Service Life{1416}
1994/06/20 Electrical Repair Kits Available For Backhoe Loaders{1408}
1994/06/20 New Alternators For Backhoe Loaders{1405}
1994/06/20 New Improved Brake Bleeding Procedure For Challengers{4257}
1994/06/20 Easy Access Manual Fuel Shutoff Components Available For Field Installation{1704,1274,1279}
1994/06/13 Understanding And Troubleshooting Filter Indicator Switches: 9X7781, 3T9343 And 9G3548{3004,3179,7409,7475,7482}
1994/06/20 Installation Procedure For 1R-0716 Engine Oil Filter{1318}
1994/06/20 Use 2P-4005 Oil Filter Instead Of 1R-0716 Oil Filter{1318}
1994/06/27 Power Beyond Covers On Hydraulic Controls May Need To Be Changed{5000,5051}
1994/06/27 Return Line Bypass For Challenger Agricultural Tractors{5057}
1994/06/27 Power Beyond For Challenger Agricultural Tractors{5057}
1994/06/27 Larger Retaining Bolts Can Be Used In The Front Axle Group Pivot Pins To Improve Service Life In Severe Applications{4313}
1994/06/27 Moldboard Rails Can Be Modified To Increase Left Side Blade Reach{6151}
1994/06/27 New Bolts In The Torque Converter Group Improve Serviceability{3101}
1994/06/27 Seal Kit Available For Retarder Solenoid Valve {3123}
1994/06/27 Procedure To Fill And Check Oil Level In Vibratory Compactor Drum{6605}
1994/06/27 New Vibratory Pump Components Improve Service Life{5070}
1994/06/27 Higher Strength Screed Drop Arms Improves Side Loading Capacity{6640}