Maintenance of bearings – Goulds Pumps AF (Axial Flow) (6"-36) MXR Bearings" User Manual
Page 40
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AF (6-36) IOM
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 Table 1
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 fill plug (408D) and add oil until oil level is
at the center of the sight glass (319). Replace the fill
plug, see Fig. 24 and Table 2.
Change the oil after 200 hours of new bearings,
thereafter every 2000 operating hours or 3 months
(whichever comes first).
Goulds recommends commercial oil such as
Mobil D.T.E.
Exxon Teresstic
AXIAL FLOW PUMP
OIL VOLUME
Pump Size
Quarts
Litres
6”
1
.95
8”
1
.95
10”
1
.95
12”
4
3.80
14”
4
3.80
16”
8
7.60
18”
8
7.60
20”
19
18.10
24”
19
18.10
700mm
19
18.10
30”
19
18.10
36”
29
27.55
Table 2
Fig 24
408D
319