ProMinent DULCOMETER PH-501 Assembly And Operating Instructions Manual page 870

14. Impeller tip to case clearance should be checked at this time by inserting the correct thickness feeler gauge
between the tip and the case and rotating the impeller (see FIGURE 7-4, page 34). Repeat the procedure on
both impellers.
15. Replace drive shaft oil seal (31) in the drive end cover (29). The seal lip should always face towards the
bearing or lubricant.
Pack bearing cavities with recommended grease and secure drive cover with socket head cap screws (30) to
drive headplate.
Install drive end gasket (7). Gently slide the drive end cover (29) over the drive shaft and tap cover down over
dowel pins until flush. Install and tighten drive cover bolts (30).
Refer to FIGURE 7-9, for torque specifications.
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