1998/05/25 Caterpillar

An Improved Seal Package Now Available For Tailgate Cylinders {5107}

Usage:

D250E (5TN),
D300E (7FN),
D350E (9LR),
D400E (2YR) Articulated Trucks

A new seal package and end cap is now available. The new seal package and end cap prevent dirt ingress and leaking on tailgate cylinders and increases their service life. The new seal package and end cap is adaptable by replacing the former end cap and seal package with the parts listed in the chart.

Illustration 1.
Improved cylinder end cap and seal package

NOTE: Apply 4C-4032 Bearing Mount Compound to outer surface of the 143-3670 Seal before assembly. Lubricate other sealing lips lightly with the lubricant being sealed.

Illustration 2.
2U-7197 Tailgate Cylinder Mounting for D250E (5TN), and D300E (7FN) Articulated Trucks

Illustration 3.
7U-3854 Tailgate Cylinder Mounting for D350E (9LR577-Up), and D400E (2YR933-Up) Articulated Trucks

(A) R 1003 ± 2 mm (39.5 ± .1 in).

NOTE: Adjust shim thickness as required to dimensions in Illustrations 2 and 3 with tailgate fully closed.

Caterpillar Information System:

1998/05/25 Effectivity For "Improved Stop/Tail/Turn Lamps Now Available" {1432}

1998/05/25 Dimensions For Installing Attachment Tailgate Mounting Hardware On Articulated Truck Dump Bodies {7271,7258}

1998/05/25 Supplement Setting Effectivity For Dimensions For Installing Tailgate Attachment {7271,7258}

1998/05/25 Auxiliary Harness Location On 24H Motor Graders {1429}

1998/05/25 Additional Information Available For Operation And Maintenance Manuals Regarding Instrument Panel Light Dimmer Switches {7451}

1998/05/18 Entertainment Radios Improved With Increased Reliability {7338}

1998/05/18 Replace Screed Vibratory Bearings {6606}

1998/05/18 New Improved Auxiliary System Pressure Hoses {5057}

1998/05/18 Improved Brake Reservoir Increases Oil Capacity {4298}

1998/05/18 Supplement To Wheel Bearing Adjustment Procedure {4208,7551}

1998/05/18 Bearings Available For Wheels In Severe Applications {4208,7551}

1998/05/18 Supplement To Correct Shim Thickness On Wheel Bearings {4208,7551}

1998/05/25 Correction To Service Manual Module, SENR6719-01, Specifications Systems Operation Testing And Adjusting, 938G Wheel Loader And IT38G Integrated Toolcarrier Traction Control System {0374,4801}

1998/05/25 Steering Shaft Removal And Installation Procedure Added To Disassembly & Assembly Manuals, SENR5885-01 And SENR1338 {0374,4310,4338}

1998/05/25 Maintenance And Lubrication Of Steering Shaft Improves Steering Shaft Service Life {0732,4310,4338}

1998/05/25 Steering Shaft Maintenance And Lubrication Procedure Added To Operation And Maintenance Manuals, SEBU6946-02 And SEBU6956 {0374,4310,4338}

1998/05/25 Revised Lubrication And Maintenance Interval Decal, SEEU7039-01, Now Available {0374,0653,7000}

1998/05/25 Procedure To Disable Top Gears On Small Wheel Loaders And Integrated Toolcarriers {3168}

1998/05/25 Adjustable Mounting Arrangement And Flexible Coupling For Hydraulic Pump Available {5062}

1998/05/25 Correction To Parts Listed In TH62 Telehandler Parts Manuals {3268}

1998/05/25 Premier Grade And Slope System Faults {7219,7220}

1998/05/25 A New 24-Volt Glowplug Is Now Being Used On Asphalt Pavers {6642,1412}

1998/05/25 New Valve Cover Seal Used {1107}

1998/06/01 New Transmission Seals Improve Reliability {3000}