PUMP 1C4279 - Caterpillar

2. Remove four bolts (3) from each end of the drive shaft, and remove the drive shaft from the machine.3. Remove eight bolts (5), and remove spiders (4) from tube (1).4. Remove yoke assembly (2). The following steps are for installation of the drive shaft.5. Install yoke assembly (2).6. Put spiders (2) in position on tube (1), and install bolts (5). Tighten the bolts to a torque of 55 7 N m (41 5 lb ft).7. Put the drive shaft in position in the machine, and install bolts (3). Tighten the bolts to a torque of 55 7 N m (41 5 lb ft).8. Install the rear bottom guard.