Goulds Pumps 3180-86 - IOM - Manual (Page 46)

b) Lift upwards.
1
2
1. Coupling guard
2. Coupling
Check the rotation
WARNING:
• Operating the pump in reverse rotation can result in the contact of metal parts, heat generation, and
breach of containment.
• 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. Lock out power to the driver.
2. Make sure that the coupling hubs are fastened securely to the shafts.
3. Make sure that the coupling spacer is removed.
The pump ships with the coupling spacer removed.
4. Unlock power to the driver.
5. Make sure that everyone is clear, and then jog the driver long enough to determine that the direction
of rotation corresponds to the arrow on the bearing housing, or close-coupled frame.
6. Lock out power to the driver.
Impeller-clearance check
The impeller-clearance check ensures the following:
• The pump turns freely.
• The pump operates at optimal efficiency for long equipment life and low energy consumption.
Impeller axial clearances
Total axial adjustment
The total axial adjustment of the impeller between the suction sideplate or case ring and the stuffing box
cover should be between 0.028 in. and 0.087 in. (0.7 mm and 2.2 mm).
Commissioning, Startup, Operation, and Shutdown
44 Models 3180, 3181, 3185, and 3186 Installation, Operation, and Maintenance Manual