New Final Drive Thrust Washers {4093,4056}
Usage:
120G, 130G, 140G, 160G, 12G, 14G, 16G Motor Graders
Planetary gear thrust washers have been changed to provide increased service life. See Chart A. The new washers are glass-reinforced teflon-lubricated nylon. The new washer material is harder and provides an improved wear surface between planetary gears and planetary carriers.
The new thrust washers are effective with the PIN's listed in Chart B.
Caterpillar Information System:
1991/07/08 New Crankshaft Seal Groups Provide Increased Protection From Dirt And Dust{1160,1161}
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}
1991/07/08 New Water Pump Assembly Used In Water Spray Group{6609}
1991/07/08 7X9279 Propel Pump Now Has Serviced Parts{5070}
1991/07/08 Drive Motor Brake Piston Travel Specifications{4250,6604}
1991/07/08 Grade/Slope Connector May Be Wired Incorrectly{5216}
1991/07/08 Right Deck Door May Contact Positive Battery Cable{7257,1402,7253}
1991/07/08 Add Drain Hole To Battery Box To Prevent Battery Damage{7257,1401}
1991/07/08 Crown Chain Tensioner Available For VIP Screeds{6647,6640}
1991/07/08 New Flywheel Cover In Input Shaft Group Prevents Dust-Induced Failures Of Starter Drives{1157}
1991/07/08 Operation Of Brake Accumulator Warning Light{7416,4263}
1991/07/22 New Hydraulic Oil Temperature Switch Harness Assembly Used {1408,1402,5731,5734,7413,7488,7490,7553,7556}
1991/07/22 Lubricate Bearings In Brake Actuator Lever To Prevent Moisture Damage {4269}
1991/07/22 Automatic Dust Caps Can Be Replaced With Manual Dust Caps To Eliminate Interference With Male Couplers {5057,6129}
1991/07/22 Improved Parts And Linkage Adjustment For Grapple Control Prevents Slow Tong Speeds {5550}
1991/07/22 New Hydraulic Flow Switches Available {7332,7492}
1991/07/22 Actual Gear Switch Now Has Clear Cover {3173,3168}
1991/07/22 Left And Right Hand Shutter Assemblies Are Serviceable Parts Of Radiator Shutter Group; Longer Bolts Used To Fasten Air Cylinder Mounting Brackets To Shutter Framework {1396}
1991/07/22 New Seals For Suspension Cylinders Can Withstand Arctic Temperatures {7201,7213}
1991/07/22 New Power Train Oil Lines Groups Eliminate Transmission Shift Hesitation {3016,3000,3017,3400}
1991/07/22 New Fuel Spray Down Gun Available To Clean Asphalt From Machine {0680,1274}
1991/07/22 New Tightening Torque Specifications For Pavemaster Screed Wear Plates {6643,6640}
1991/07/22 Calibration Of 5E8894 Feet Per Minute Gauge Using 8T5200 Signal Generator {7495}