Goulds Pumps CV 3196 i-FRAME - IOM - Manual (Page 46)

9. Thread in the jack bolts (370D) and evenly tighten the jam nuts (423).
10. Make sure the shaft turns freely.
Set the impeller clearance - feeler gauge method (CV 3196 only)
Before you can begin this procedure, you must lock out the driver power and then remove the coupling
guard according to the instructions in this manual.
WARNING:
Always disconnect and lock out power to the driver before you perform any installation or maintenance
tasks. Failure to disconnect and lock out driver power will result in serious physical injury.
1. Remove the coupling.
2. Loosen each locking bolt (370C) several turns.
3. Loosen the jam nuts (423) on the jack bolts (370D).
4. Thread in the bolts several turns until the impeller contacts the stuffing-box cover or seal chamber.
Turn the shaft to ensure that there is contact between the impeller and the stuffing box or seal
chamber.
5. Use feeler gauges to measure the gap between the bearing housing and the bearing frame.
6. Reduce the gap measurement by 0.060 in. (1.52 mm) and place the corresponding feeler gauges
between the bearing housing and the bearing frame.
.015
370C
371A
423B
134A
228
7. Loosen the jack bolts (370D) several turns and tighten the locking bolts (370C) to move the impeller
away from the stuffing-box cover or seal chamber until there is 0.060 in. (1.52 mm) of clearance.
8. Turn in the jack bolts (370D) and evenly tighten the jam nuts (423).
9. Make sure the shaft turns freely.
Couple the pump and driver
WARNING:
Always disconnect and lock out power to the driver before you perform any installation or maintenance
tasks. Failure to disconnect and lock out driver power will result in serious physical injury.
Couplings must have proper certification to be used in an ATEX classified environment. Use the
instructions from the coupling manufacturer in order to lubricate and install the coupling.
Commissioning, Startup, Operation, and Shutdown
44 Model CV 3196 i-FRAME Installation, Operation, and Maintenance Manual