Grain Systems Unload Augers PNEG-1716 - Manual (Page 10)

3. Installation
10 PNEG-1716 Gearbox Input Speed Reduction Packages
6. Rotate the sprocket on the gearbox so that the connecting link of the chain is on the upper side.
7. Remove the connecting link from the two (2) ends of the chain.
8. Remove the chain from the center well.
9. Loosen the set screw in the sprocket that is on the gearbox input shaft.
10. Remove the sprocket and key from the gearbox input shaft as shown in Figure 3C .
Figure 3C
11. Inspect the key for damage. Replace if necessary.
12. Install the new larger sprocket onto the input shaft of the gearbox as shown in Figure 3D .
Figure 3D