Goulds Pumps 3700 Installation, Operation And Maintenance Manual page 54

Commissioning, Startup, Operation, and Shutdown
d) Place your thumb over the reservoir spout. Invert and insert the spout into the internal
e) Tighten reservoir. Do not over-tighten.
f)
NOTICE:
Do not fill the oil reservoir of the bearing frame through the plug at the top.
2. Check that the oil level is correct. The correct oil level is centered in the bullseye sight
glass, when the pump is not in operation. During operation, bullseye sight gives a false oil
level reading. Shown is general schematic. Oil level is below outer race of bearing.
1. Plug
2. Reservoir
3. Main body
Figure 35: Checking oil level
Lubricate the bearings with pure or purge-oil mist (optional)
NOTICE:
Do not expose an idle pump to freezing conditions. Drain all liquid that is inside the pump and
any auxiliary equipment. Failure to do so can cause liquid to freeze and damage the pump.
Before lubricating with purge-oil mist, make sure that the bearing frame is properly lubricated.
See Lubricate the bearings with oil.
The oil requirements for ring-oil-lubricated bearings also apply to oil-mist-lubricated bearings.
1. Prepare the oil-mist generator according to the manufacturer's instructions.
2. Connect the oil-mist supply lines to the inlet connections.
3. Connect the drain and vent lines to the outlet connections.
1. Oil mist inlet
2. Oil mist outlet
Figure 36: Oil mist lubrication
Lubricate the bearings after a shutdown period
1. Flush out the bearings and bearing frame with a light oil to remove contaminants.
52 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
threaded boss on the main body.
Verify that proper oil level is maintained per the following diagram.
Manual