Check the radiator fan spider assembly when doing yearly general maintenance on 1524 mm (60″) and larger fans. Inspect both sides of the fan spider assembly. Be sure to replace the assembly if any broken, loose, or missing rivets are detected.
Caterpillar Engines Troubleshooting
Cat Engines Maintenance & Repair Guides
Check the radiator fan spider assembly when doing yearly general maintenance on 1524 mm (60″) and larger fans. Inspect both sides of the fan spider assembly. Be sure to replace the assembly if any broken, loose, or missing rivets are detected.