BELLOWS 2432973 - Caterpillar

Inspect
Place a dial indicator on the drive shaft so that the vertical end play in the spider can be measured. If the drive shaft moves more than 0.15 mm (0.006 inch) of movement relative to the yoke, the spider needs to be replaced.
Place the dial indicator so that the horizontal end play in the spider can be measured. If the spider has more than 0.15 mm (0.006 inch) of movement relative to the yoke, the spider needs to be replaced. Replace
Do not reuse drive shaft bolts. Always use new drive shaft bolts when you reassemble the drive shaft.
Illustration 1 g02460557
Torque sequence
Use four used bolts as alignment bolts. Install the used bolts. Tighten the bolts in the pattern that is shown in Illustration 1. Make sure that the yoke is fully seated against the spider. Torque the used bolts to the designed specification.
Remove the used bolts one at a time. Follow the pattern that is shown in Illustration 1. Install the new bolt. Torque the new bolt before removing the next alignment bolt in the pattern.
Check the torque of the new bolts by using the pattern that is shown in Illustration 1.