2003/11/17 Caterpillar

Wheel Loader:

994 (S/N: 9YF1-UP)

994D (S/N: 3TZ1-UP)

Description of Change: New locations to the existing mounting hardware improve the service life of the rear frame.

Adaptable To: The improved mounting positions are effective with S/N:3TZ299-UP
Wheel Loaders. This change is adaptable to S/N:; 3TZ1-298
and S/N:; 9YF1-UP
Wheel Loaders by using the following procedure.

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Personal injury can result from flame cutting or welding on painted areas. The effect of gasses from burned paint is a hazard to the person doing the cutting or welding. Do not flame cut or weld on painted areas.

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Personal injury or death can result from fumes, gases and ultraviolet rays from the weld arc. Welding can cause fumes, burn skin and produce ultraviolet rays. Keep your head out of the fumes. Use ventilation, exhaust at the arc, or both, to keep fumes and gases from your breathing area. Wear eye, ear and body protection before working. Protect yourself and others; read and understand this warning. Fumes and gases can be dangerous to your health. Ultraviolet rays from the weld arc can injure eyes and burn skin. Electric shock can cause death. Read and understand the manufacturer's instructions and your employer's safety practices. Do not touch live electrical parts. See "American National Standard Z49.1, Safety in Welding and Cutting" published by the American Welding Society. American Welding Society 2501 N.W. 7th Street Miami, Florida 33125 See "OSHA Safety and Health Standards, 29 CFR 1910", available from U.S. Department of Labor. U.S. Department of Labor Washington, D.C. 20210

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Illustration 1	g00990154
(1) Lug (A1) Old location (A2) New location (L1) 685 mm (27 inch) (L2) 65 mm (2.6 inch) (L3) 100 mm (4.0 inch) (W1) 6 mm (0.24 inch)

1. Relocate Lug (1) that is located on the right side of the rear frame. See Illustration 1 for details.

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Illustration 2	g00990278
226-0932 Bracket

2. Install the new 226-0932 Bracket onto Lug (1) with two 8T-4195 Bolts and two 8T-4121 Hard Washers .

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Illustration 3	g00990262
(2) 8X-4714 Plate (3) Block (L4) 510 mm (20.1 inch) (L5) 100 mm (4.0 inch) (W2) 6 mm (0.24 inch)

3. Remove the existing block (3) from the left hand side of the rear frame. Install one 8X-4714 Plate (2). See Illustration 3 for details.

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Illustration 4	g00990281
225-9544 Bracket

4. Install the new 225-9544 Bracket onto 8X-4714 Plate (2) with two 8T-4192 Bolts and two 8T-4223 Hard Washers .