Griswold 811 - Page 41

GRISWOLD PUMP COMPANY Appendix Page 39
Installation, Operation and Maintenance Manual
Griswold Model 811
Griswold Pump Company Appendix Page 41
7. Tighten bearing housing bolts (370C) evenly, and then tighten jacking bolts (370D) evenly.
Make sure dial indicator reading does not move from the proper setting. Rotate shaft to make
sure that it turns freely.
8. Reinstall coupling spacer and coupling guard.
Table 3
Impeller Clearance at Ambient for Various Service Temperatures, inches
Pump Frame Size Pumpage
Temperature
S M, L Low
Flow
XL
-20
0
to 200
0
F 0.005" 0.008" .018” 0.015"
Up to 250
0
F 0.006" 0.009" .019” 0.016"
Up to 300
0
F 0.007" 0.010" .020” 0.017"
Up to 350
0
F 0.009" 0.012" .022” 0.019"
Up to 400
0
F 0.010" 0.013" .023” 0.020"
Up to 450
0
F 0.011" 0.014" .024” 0.021"
Up to 500
0
F 0.012" 0.015" .025” 0.022"