Ampco Pumps Company K-Series Metric Maintenance Manual M-033 Rev A 11.16
7
4)
Install the adapter plate (4) and rear cover (5) onto the front of the motor adapter (1) using
the supplied hardware. Apply Loctite to the screws before tightening to 15 ft-lbs.
Figure 3: Attach Rear Cover to Adapter
5)
Next, the impeller will be installed and the clearance set. Begin by placing a .875” thick
shim into the rear cover. Now, screw the impeller (6) onto the stub shaft (2) and tighten
until fully seated. Ensure the impeller is flush with the shim and finally, tighten the
shaft collar (3) to 15 ft-lbs.
Figure 4. Setting Impeller Clearance
