Goulds Pumps AF (Axial Flow) (6"-36) MXR Bearings" - Manual (Page 38)

36 AF (6-36) IOM
NOISY OR ROUGH OPERATION
1. Throttled suction or plugging
2. Impeller rubbing in casing
Damage
Damage occurs from:
1. Increased vibration levels - Affects bearings,
stuffing box seal chamber, and mechanical seals.
2. Heat build up - Vaporization causing rotating parts
to score or seize.
3. Cavitation - Damage to internal surfaces of pump.
4. Loose impeller
5. Broken impeller blade
6. Bearings not properly lubricated
7. Bent
shaft
8. Impeller out of balance.
Operating Under Freezing Conditions
Exposure to freezing conditions, while pump is idle,
could cause liquid to freeze and damage the pump.
Liquid inside pump should be drained.
SHUTDOWN
1. Turn off power to pump motor.
2. In case of necessary maintenance or pump
inspection, lock driver to prevent accidental
rotation.
WARNING
When handling hazardous and/or toxic fluids, skin
and eye protection are required. If pump is being
drained, precautions must be taken to prevent
physical injury. Pumpage must be handled and
disposed of in conformance with applicable
environmental regulation.
FINAL ALIGNMENT
1. Run the pump under actual conditions for a
sufficient length of time to bring the pump and
driver up to operating temperature.
2. Check alignment per alignment procedure outlined
earlier.
!