RING-RETAINING 4270285 - Caterpillar

Illustration 1 g01308817 (1) Bolt Before installation, lubricate the face of washers (2) and the threads of bolts (1) with 4C-5592 Anti-Seize Compound. Use the following procedure to tighten the bolts. Tighten the bolts to the following torque. ... 50 N m (37 lb ft)Tighten the bolts again in a star pattern to the following torque. ... 400 50 N m (300 37 lb ft)Tighten the bolts further for the following angle. ... 180 15 degrees (4) Bolt Before installation, lubricate the face of washers (3) and the threads of bolts (4) with clean engine oil. Torque ... 750 80 N m (550 60 lb ft)Always use new bolts when the shaft is serviced.Refer to Special Instruction, REHS0445, "Alignment Procedures For G3500 Tandem Generator Sets" when the flexible coupling is serviced or when the engines are moved.