6.2 Bearing maintenance
These bearing lubrication sections list different temperatures of the pumped fluid. If the pump is
ATEX-certified and the temperature of the pumped fluid exceeds the permitted temperature values, then
consult your ITT representative.
Refer to driver/coupling/gear manufacturers' IOM for instructions and recommendations.
For ATEX applications bearing replacement (all) is recommended after 17,500 hours of operation.
Bearing lubrication schedule
Type of bearing
First lubrication
Lubrication intervals
Oil-lubricated bearings
Add oil before you install and start the
pump. Change the oil after 200 hours
for new bearings.
After the first 200 hours, change the
oil every 2000 operating hours or ev-
ery three months.
Grease-lubricated bearings
Grease-lubricated bearings are initial-
ly lubricated at the factory.
Regrease bearings every 2000 oper-
ating hours or every three months.
6.2.1 Lubricating oil requirements
Use a high quality turbine oil with rust and oxidation inhibitors.
Lubricating oil requirements
Bearing temperature below 82°C
| 180°F
Bearing temperature above
82°C | 180°F
ISO grade
ISO viscosity grade 68
ISO viscosity grade 100
Approximate SSU at 38°C | 100°F
300
470
DIN 51517
C68
C100
Kinematic viscosity at 40°C | 105°F
mm
2
/sec
68
100
6.2.1.1 Oil volumes
Oil volume requirements
Frame
Quarts
Liters
S
1.1
1.0
M
2.1
2.0
L
2.1
2.0
XL
3.2
3.0
XL1
12.2
11.6
XL2-S and XL2
24.0
22.7
6.2.1.2 Acceptable oil for lubricating bearings
Acceptable lubricants
Table 13: Acceptable lubricants
Brand
Lubricant type
Chevron
GST Oil 68
Exxon
Teresstic EP 68
6.2 Bearing maintenance
72
Models 3180, 3181, 3185, and 3186 Installation, Operation, and Maintenance Manual
Содержание GOULDS PUMPS 3180
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