1993/05/17 Caterpillar

Deflector Plates Prevent Mudflaps From Coming In Contact With The Tires {4220,7252,4200}

Usage:

D20D (9MG),
D250D (6NG) Articulated Trucks

Description of Change: Deflector plates are being used on the bottom of the fenders. The deflector plates prevent damage to the mudflap by keeping the mudflap from coming in contact with the tires.

Adaptable To: The 1052676 (right) and 1052675 (left) Deflector Plates are in effect with the articulated trucks shown in the chart.

The deflector plates can be installed on machines in the field using the hardware shown in the Parts Required Chart and illustrations that follow.

Illustration 1. Left side parts location. (1)1052677 Backing Plate (Left). (2) 7X0578 Washer. (3) 8T2501 Bolt. (4) 2U2560 Nut. (5) 1052675 Deflector Plate (left).

Illustration 2. Right side parts location. (1) 8T2501 Bolt. (2) 7X0578 Washer. (3) 1052678 Backing Plate (Right). (4) 1052676 Deflector Plate. (5) 2U2560 Nut.

The mudflap material has a tendency to curl. Mount the mudflaps so they curl away from the tire.

Caterpillar Information System:

1993/05/17 Holes Drilled Inside The Transfer Gearbox Case Can Improve Oil Flow {3106,3100}

1993/05/17 New Seals Assist In Preventing Cooling Oil Transfer From Brake To Wheel Oil {4251}

1993/05/17 Optional Bronze Thrust Disc Available {3160}

1993/05/17 Air Horn Group Now Standard To Meet Overseas Specifications {7402}

1993/05/10 New Oil Filter Base Supports Help Prevent Incorrect Oil Filter Base Installation{1306}

1993/05/10 New Gas Springs For Engine Enclosure Doors{5486,7263}

1993/05/10 New Mount Bracket Minimizes Contaminants Into Key Start Switch{1553}

1993/05/10 Decal Location{7581}

1993/05/10 Shims Used To Provide Clearance Between Pin Retainers And Truck Body{7258,7250}

1993/05/10 Sleeves Available For Rebuilding Tractor Oscillating Hitch Pin Bores{7057,7066}

1993/05/10 New Washers Used In Differential Group{3250}

1993/05/10 Longer Engine Mounting Bolt Resists Loosening{1152}

1993/05/17 Steering Hoses With O-ring Face Seal Fittings Available {4304,4300}

1993/05/17 Relief Valve Tolerance Has Been Changed {5050}

1993/05/17 Door Insulation Retention Method Is Improved {7308,7300}

1993/05/17 Air Conditioner System Refrigerant Refill Capacity {7320,7300}

1993/05/17 New Radiator Tie Bars Resist Cracking {1353,1350}

1993/05/17 Battery Isolation Switch Has Been Moved To Improve Access {1411,1400}

1993/05/17 Hoist Cylinder Hoses With O-ring Face Seal Fittings Available {5057,5050}

1993/05/17 Cab Air Intake Sealing Can Be Improved {7342,7304,7300}

1993/05/17 Brake Fluid Reservoir Has Been Moved To Prevent Overheating {4291,4250}

1993/05/17 Method For Bleeding And Charging The Rear Suspension Has Been Changed {7200}

1993/05/17 Injection Pump Kits (Gasket/Solenoid) Available From Parts Service {1250,1251}

1993/05/17 New Fuel Injection Lines, Clamps, And Brackets Used In Fuel Injection Lines Groups {1252}