148 Practical Centrifugal Pumps
Before placing the base plate on the prepared foundation, it should be free from oil,
grease, and rust.
After the base plate is rested on the foundation it should be supported on leveling
screws, rectangular leveling shims or taper wedges placed close to the foundation bolt to
prevent distortion. Leveling screws should be adequately coated with grease/wax to
prevent adhesion of epoxy to the screws.
The base plate should then be leveled side-to-side, end-to-end, and diagonally to within
0.002 in. per foot. The machined surfaces have to be flat and parallel. The mounting
surface tolerance should remain the same even after the anchor bolts have been tightened.
Once leveling has been achieved, it should be conf ...