CONT GP-HYD 2917110 - Caterpillar

Table 1
Affected Buckets    
135-5880    
136-6244    
142-2587    
145-8068    
163-6031    
166-7974    
Illustration 1 g01392723
Interference
Illustration 2 g01392209
Interference of torque tube with bucket in shovel positionProcedure to Modify Bucket
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
ReferenceSpecial Instruction, REHS1841, "General Welding Procedures"
Illustration 3 g01398724
Tack weld two tie bars (A) and (B) across the hinge plates. Refer to illustration 3.
Illustration 4 g01398313
(X) 168 mm (6.61 inch) (C) Torque Tube
Illustration 5 g01398733
The torque tube has been cut.
Cut perpendicular to the surface across the entire length of the torque tube (C). Refer to Illustration 4. Remove the section of plate from the torque tube. Refer to Illustration 5.
Illustration 6 g01394907
(D) 282 mm (11.10 inch) (E) 459 mm (18.07 inch) (F) 20 mm (0.79 inch)
Prepare a new plate. The recommended material grade should meet ASTM A572 standards. Refer to Illustration 6.
Illustration 7 g01392245
(X) 168 mm (6.61 inch) (Y) 282 mm (11.10 inch) (Z) 56 mm (2.20 inch) (W1) 20 mm (0.79 inch) fillet weld (2 places) (W2) 14 mm (0.55 inch) fillet weld with 1.5 mm (0.06 inch) root penetration from (F) to (G) (2 places)
Weld the new plate into position. Use the welding instructions in Illustration 7.
Remove tie bars (A) and (B) .
Test the fit of the bucket with the coupler.
Finish the repair by applying a coat of primer. After the primer dries, apply a coat of paint.