CAP 2500934 - Caterpillar

Illustration 1 g00675483
Remove the tool from the hammer. Refer to the Operation and Maintenance Manual, "Tool - Remove and Install".
Inspect the retaining pins for the hammer tool. Remove any burrs from the retaining pins. Replace the pins if the pins have excessive wear.
Illustration 2 g01200031
Check the hammer tool for wear. If necessary, grind the burrs off the hammer tool. Inspect the notch for the retaining pins. Remove any burrs.
When you measure the wear of the tool, you must measure the part of the tool (A) that is in the upper tool bushing and the part of the tool (C) that is in the lower tool bushing.
Measure dimension (B) of the tool.
Replace the tool if dimension (B) is less than 167 mm (6.58 inch).
Measure dimension (D) of the tool.
Replace the tool if dimension (D) is less than 172 mm (6.77 inch).
Inspect the tool for cracks. If the tool is cracked, replace the tool.Note: Do not weld a tool to repair. Welding causes cracks on the surface of the tool. Welding can cause failure due to metal fatigue.