Commissioning, Startup, Operation, and Shutdown
Model API 3171 Installation, Operation, and Maintenance Manual
30
• Run a new or rebuilt pump at a speed that provides enough flow to flush and cool the
close-running surfaces of the stuffing-box bushing.
• If temperatures of the pumped fluid will exceed 93°C | 200°F, then warm up the pump prior
to operation. Circulate a small amount of fluid through the pump until the casing
temperature is within 38°C | 100°F of the fluid temperature. Accomplish this by flowing fluid
from pump inlet to discharge drain (optionally, the casing vent can be included in warm-up
circuit but not required). Soak for (2) hours at process fluid temperature.
At initial startup, do not adjust the variable-speed drivers or check for speed governor or over-
speed trip settings while the variable-speed driver is coupled to the pump. If the settings have
not been verified, then uncouple the unit and refer to instructions supplied by the driver
manufacturer.
Check the rotation - Frame Mounted
WARNING:
• Starting the pump in reverse rotation can result in the contact of metal parts, heat
generation, and breach of containment. Ensure correct driver settings prior to starting any
pump.
• Failure to disconnect and lock out driver power may result in serious physical injury or
death. Always disconnect and lock out power to the driver before performing any
installation or maintenance tasks.
• Electrical connections must be made by certified electricians in compliance with all
international, national, state, and local rules.
• Refer to driver/coupling/gear manufacturer's installation and operation manuals (IOM)
for specific instructions and recommendations.
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.
Lubricate bearings
Thrust bearing lubrication
WARNING:
Risk of explosive hazard and premature failure from sparks and heat generation. Ensure
bearings are properly lubricated prior to startup.
Grease lubrication
Grease-lubricated bearings have zerk fittings installed for each bearing. Bearings are pre-
lubricated at the factory. Unscrew the fittings and confirm there is grease in the line. Replace
the fitting and add grease if necessary.
Pure oil-mist lubrication
The inlet (IN), outlet (OUT), and drain (DRN) ports are stamped on the thrust housing. The
DRN port is located on the bottom of the thrust housing and is below the floorplate on pumps
without a stuffing box. Connect the oil mist system supply to the IN port of the thrust housing.
The outlet for the thrust housing can be connected to the OUT port or DRN port. The
Содержание Goulds Pumps API 3171
Страница 1: ...Installation Operation and Maintenance Manual Model API 3171 ...
Страница 2: ......
Страница 63: ......
