1989/12/25 Caterpillar


New Assembly Method For Track Links Makes It Easier To Install And Adjust{4169,4170}

Usage:


All Track-Type Machines

A new assembly method for track link assemblies has been used in the factory since March 1988. The new assembly method controls the amount of end play in the link joint. This allows the link assembly to be freer and more flexible. The previous assembly method would cause the link assemblies to have stiff joints.

Advantages to the new track link assembly method are:

First, it controls the amount of end play in the link joint. This prevents damage to the joint from thrust ring galling and breaking.

Second, the track link assemblies will roll and unroll freely. This allows for easier assembly of the track shoes and adjustment of the track on the machine.

Caterpillar Information System:

1989/12/18 New Seal Group Used In Seawater Pump{1371,1361}
1989/12/18 Paper Liner Available For Centrifugal Oil Filters{1328}
1989/12/11 Cooling System Drain Valves Available{1372}
1989/12/11 Modification Of 2W1054 Screen Assembly For Use During Dynamometer Testing{1307}
1989/12/11 New Spark Plug Used In Ignition Groups{1555}
1989/12/11 New Camshaft And Lifter Kits Available For Slipper Type Cam Followers (Valve Lifters){1209,1210}
1989/12/11 Additional Information For Checking Valve Camshaft Timing{1105,1110,1112,1121}
1989/12/11 4C4213 Insulation Tester for Electrical Power Generation{0785}
1989/11/27 New Turbocharger, Piston And Fuel Ratio Control Used{1052,1214,1215,1278}
1989/11/27 Electrostatic Painting And/Or Incorrect Welding Can Cause Permanent Damage To Electronic Control Module (ECM){1706}
1989/11/27 Failures Of Unit Injector O-Ring Seals{1290}
1989/11/27 Improved Turbocharger Wash Water Lines Group Available On Engines Powered By Residual (Heavy) Fuel{1052}
1989/12/25 Do Not Use 1U5555 Hydraulic Hose Press Pump Group In 230 Volt Circuits{0616,5057}
1989/12/25 New Cooling System Cleaner Now Available For All Engines{1350,0680,1352,1353}
1989/12/25 New Fuel Return Valve Prevents Siphoning{1253,1274}
1989/12/25 New Valve Assembly And Washer Used In Fuel Transfer Pump Group{1256}
1989/12/25 Improved Gaskets And Covers Used In Cover Groups, Connection Group And Water Lines Groups; New Clips Used In Water Lines Groups{1350,1063}
1989/12/25 Improved Valve And Injector Jam Nut Used In Valve Rocker Arm Group{1123}
1990/01/15 Separate Service Manual Microfiche Library Available For Engines Only {1000,0374,0375}
1990/01/15 Service Element Available For Flexible Coupling Group {3252}
1990/01/15 Unit Injector Tips Now Have An Improved Brazing Technique {1290}
1990/01/15 New Head Gasket Used On 3306B Truck Engines {1124,1100,1101}
1980/11/24 Coolant Conditioner Elements Are Now Available For 3208 Truck Engines
1980/11/24 Kysor Air-Operated Shutdown Actuators For 3406, 3408, 1693 Truck Engines
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