Ingersoll Rand CCE10 Manuel De Maintenance page 18

CCE20, CCE30, & CVE50 CRANKSHAFT BEARING AND CON ROD
REPLACEMENT
Crankshaft bearings can be replaced as follows:
1. Disconnect all power to the unit and bleed down the air receiver pressure to 0 PSIG.
2. Remove the belt guard and the V-belts.
3. Remove the flywheel.
4. Remove the cylinder(s) from the crankcase.
5. Loosen the two setscrews in the pin boss area tightened against the pin on the inside area of the
piston(s).
6. Push the piston pin out to remove the piston from the top of the con rod.
7. Loosen and remove the bearing cover on the flywheel end. Jackscrews are provided to remove this
cover.
8. Remove the crankcase breather cover and foam material on the front end of the crankcase. This will
expose a slotted opening in the crankcase casting in line with the crankshaft end.
9. Using a drift and hammer, push the end of the crankshaft bearing toward the pulley end until the
front side crankshaft bearing is free from the crankcase.
10. Carefully remove the crankshaft/con rod assembly from the crankcase through the opening in the
flywheel end.
11. The crankshaft bearings can be removed from the crankcase with bearing puller.
12. If the connecting rods need to be removed from the crankshaft, jackscrews are provided in the
crankcase adjacent to the con rod bearing for this purpose (remove the snap ring before using the
jackscrews). To install a new con rod assembly, heat the lower end bearing on a hot plate to 190°F.
Using heat resistant gloves, quickly slide con rod on shaft, starting at flywheel end to its proper place
on the shaft throw.
13. To install a new con rod assembly, heat the lower end bearing on a hot plate to 190° F. Using heat
resistant gloves, quickly slide bearings on each end of shaft, starting at flywheel end to its proper
place on the shaft throw.
14. Reinstall snap ring.
15. To install new crankshaft bearings on shaft, heat bearings to 190°F. Using heat resistant gloves,
quickly slide bearings on each end of shaft, making sure the smaller bearing is installed on the front
end of the crankshaft.
16. Reassemble compressor by reversing procedures stated in 1 through 10.
IF3266 Rev A Page 18