CHASSIS AR 2500065 - Caterpillar

Illustration 1 g00675483
Remove the tool from the hammer. Refer to the Operation and Maintenance Manual, "Tool (Hammer)- Remove and Install".
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.
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 g00926078
Check the hammer tool for wear. When you measure the wear of the tool, you must measure the part of the tool (A) that is in the tool bushings.
Measure dimension (B) .
Measure dimension (6) for the tools for the H160Cs.
Refer to Table 1 for the dimension of a new tool. Refer to Table 1 for the minimum diameters of the tools.
Replace the tool if the dimensions are smaller than the minimum diameter of the tool for your hammer.
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 causes fatigue failure.
Table 1
Wear Limits for Hammer Tools    
Sales Model     Diameter of New Tool     Minimum Diameter of Tool (B)     Minimum Diameter of Tool (C)    
140Cs     140 mm (5.5 inch)    
138 mm (5.4 inch)    
138 mm (5.4 inch)    
160Cs    
160 mm (6.3 inch)    
156 mm (6.14 inch)    
158 mm (6.2 inch)