CYLINDER GP-STABILIZER-RH 9T7069 - Caterpillar

Introduction
The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.Problem
The bearing in the A - frame suspension group for the rear and center of Articulated trucks may prematurely wear or fail.Solution
Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.
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 by reading and understanding 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 instructions of the manufacturer and the safety practices of your employer. Do not touch live electrical parts. See “American National Standard Z49.1, Safety in Welding and Cutting” which is published by the American Welding Society.American Welding Society
8669 NW 36 Street #130
Miami, Florida 33166-6672
1-800-443-9353
See “OSHA Safety and Health Standards, 29 CFR 1910” which is available from the U.S. Department of Labor.U.S. Department of Labor
Washington, D.C. 20210
See applicable requirements for your local area.
Illustration 1 g06275370Before or after failure of one or both of the "A" frame bearings, repair the “A” Frame Head housings. Add weld material and bore a new hole in the housing using the new dimensions described in the table below.Note: This machining must be carried out to the exact dimensions stated to ensure that a good bolted joint is achieved for the retention of the bearing.
Table 1
A - Frame head housing dimensions
Item Section Original Dimensions New Dimensions
A Internal bore for the bearing housing 119.983 0.017 mm (4.7237 0.0007 inch) 119.941 0.017 mm (4.7221 0.0007 inch)
B Depth for the bearing housing 44.75 0.15 mm (1.762 0.006 inch) 45.15 0.15 mm (1.77756 0.006 inch) Note: Once the machining is completed, the bearing when fitted in the housing should not protrude above the surrounding housing