BRACKET AS 0978551 - Caterpillar

Removal
Disassemble the track roller frame from the machine.
Disassemble all components necessary to provide safe access to the welds securing the damaged components.
Clean areas where the rework will be done. Remove dirt, painting, slag, grease, and oil.
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Create 2 brace bars with holes in the ends 168.5 mm (6.60 inch) from center of bars. Locate and bolt the brace bars as shown in Illustration 22 (Blue Marks), to avoid welding deformation.
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Remove welds (Red Marks), joining the rock guards to the roller frame, using Arc Gouging or grinding. See Illustration 24
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Remove the parts to be replaced and grind the surface to create a clean, smooth area on which to locate the new parts.Installation
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Locate guard assembly (1a), (1b), (1c) , or (1d) and (2a), (2b), (2c) , or (2d) using dimensions 13 1.5 mm (0.51 0.06 inch) as shown in Illustration 23. Tack weld bars when guards are in position as shown in Illustration 26 (Blue Marks).
Tack weld guard assembly (1a), (1b), (1c) , or (1d) and (2a), (2b), (2c) , or (2d) .
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Weld guard assembly (1) and guard assembly (2). See Illustration 27 and 28.
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Turn the assembly 90° to perform welds in Illustration 29.
Turn the assembly 180° and repeat Step 4.
Repeat Steps 1 through 5 for the other assembly.
After cooled, remove brace bars, clean, and paint the repaired area. Reassemble the assemblies to the machine.Reference Section
Reference: RESH1841, "General Welding Procedures"