UNITED CPC4000, Operation And Maintenance Manual

Page: 16 / 39

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7. Remove the four (4) Turret Bearing Retaining Bolts for the bearing that is being replaced.
8. Loosen the Turret Bearing Setscrews for the bearing on the OPPOSITE side of the turret.
9. Gentle tap the center shaft, OPPOSITE the side of the bearing being replaced, moving it inward about
3/8 of an inch. This will push the bearing that is being replaced out of its centering grove.
10. Remove all six (6) Pillow Block Retaining Bolts; four (4) on drive side and two (2) on free side.
11. Raise the Turret and remove the Pillow Block from the Center Shaft.
12. Loosen the setscrew on the bearing to be removed and slide it off the shaft. If replacing the bearing on
the Drive Side, loosen the Sprocket Setscrews and remove both sprockets followed by the bearing.
13. Install the new Turret Bearing into the centering grove and tighten the retaining bolts by hand. Install
the Center Shaft Sprockets if replacing the bearing on the Drive Side.
14. Install the Pillow Block and lower the Turret. Torque the Pillow Block Retaining Bolts to 80 ft-lbs.
15. Position the Center Shaft evenly between the Pillow Blocks and torque the setscrews to 20 ft-lbs.
16. Torque the Turret Bearing Retaining Bolts to 60 ft-lbs and torque the setscrews for BOTH Turret
Bearings to 15 ft-lbs.
17. Proceed to line #9 in Drive Component Removal in the previous section for installation instructions.
18. Lubricate the new bearing according to the instructions given in the section Lubricating.