FLYWHEEL A. 4S7421 - Caterpillar

Illustration 1 g02008734
Inspect the ROPS for loose bolts or for damaged bolts. Replace any damaged bolts or missing bolts with original equipment parts only.
Tighten the M16 bolt (1) to125 20 N m (92 15 lb ft).
Tighten the M24 bolt (2) to 425 50 N m (315 40 lb ft).Do not straighten the ROPS. Do not repair the ROPS by welding reinforcement plates to the ROPS.Consult your Cat dealer for inspection of any potential damage or repair of any damage to any operator protective structure. (Including ROPS, FOPS, TOPS, OPS, and OPG) Refer to Special Instruction, SEHS6929 , "Inspection, Maintenance, and Repair of Operator Protective Structures (OPS) and Attachment Installation Guidelines for All Earthmoving Machinery"