Goulds Pumps AF (Axial Flow) (42"/1200mm/54/60"/66") LM/LMR Bearings - IOM" - Manual (Page 40)

40 AF (42-66) IOM
ROUTINE INSPECTIONS
•
Check for unusual noise, vibration and bearing
temperatures.
•
Inspect pump and piping for leaks
•
Check seal chamber/stuffing box leakage
•
Packing: Excessive leakage requires adjustment
or possible packing replacement. Refer to page
35 for packing gland adjustment.
•
Mechanical Seal: Should be no leakage.
3 MONTH INSPECTIONS
•
Check foundation and hold down bolts for
tightness.
•
If pump has been idle, check packing. Replace if
necessary.
•
If any rubbing noise has been noticed, re-align the
impeller.
•
Oil should be changed at least every 3 months
(2000 hrs) or more often if there are any adverse
atmospheric conditions that might contaminate or
break down the oil, or if it is cloudy or
contaminated as seen through the sight glass.
ANNUAL INSPECTIONS
•
Check pump capacity, pressure and power. If
pump performance does not satisfy your process
requirements, and process requirements have not
changed, pump should be disassembled,
inspected, and worn parts should be replaced,
otherwise, a system inspection should be done.
MAINTENANCE OF BEARINGS
Operation of the unit without proper
lubrication will cause bearing failure,
and pump seizure.
Throughout this section on bearing
lubrication, different pumpage
temperatures are listed. If the
equipment is ATEX certified and the
listed temperature exceeds the
applicable value shown in the table
under ATEX identification, then that
temperature is not valid. Should this
situation occur, please consult with
your ITT/Goulds representative.
OIL LUBRICATED BEARINGS
Remove the bearing housing breather (113A) and add
oil until oil level is at the center of the sight glass. If the
unit has an external oil lube system, fill the bearing
housing and the reservoir to satisfy the system
requirements. Replace the breather. Table 3. shows
the oil volume required.
AXIAL FLOW PUMP
APPROX. OIL VOLUME
Pump Size Quarts Litres
42” / 1200mm / 54” 74 70.5
60” / 66” 62 59
Approximate values only. Always fill using sight glass to verify level.
Oil level should be at the center of the sight glass. See comments in
this section.
Table 3
Run the pump for 1 minute to fill the oil galleys and in
and around each bearing. Check the sight glass and
add oil accordingly. Monitor the oil level indicator for
the first 24 hours of operation and maintain fill level.
Bearings must be lubricated properly in order
to prevent excess heat generation, sparks
and premature failure.