7 Maintenance
7.1 Screw connections of the housing
After initial loading by the operating pressure and operating temperature the tightening torques of all con-
nection screws must be checked at the following points:
•
housing flange
•
suction flange
•
discharge flange
See also
6.1 Initial commissioning on page 24
.
Other inspections are to be performed regularly, depending on the operating requirements.
7.2 Bearing pedestal
CAUTION:
The temperature of the bearing pedestal should not be more than 50°C above the ambient
temperature and must under no circumstances exceed 80°C.
At higher temperatures, call in qualified staff without delay. If this is not possible, the pump must be shut
down and taken out of service.
In many cases it is also recommended to measure vibration in order to detect bearing wear in good time.
Grease-filled bearings of the type 2RS are installed as a standard feature. The grease is lithium-saponi-
fied. The admissible temperature range is -30°C to +110°C.
As the bearings cannot be regreased, they must be replaced in accordance with the instructions.
Size
Bearing size > Service life
Group 1
6207-2RS / 15000 hours
Group 2
6210-2RS / 15000 hours
*1
At bearing temperature <50°C and At bearing temperature 70°C appr. 7500 hr
If maintenance work on the pump is required for other reasons, it is recommended to also replace the
bearings as a precaution.
WARNING:
In explosion-hazardous works it is advisable to monitor the bearing temperature.
7.3 Cleaning
Care must be taken when cleaning the pump to ensure that it is not exposed to a strong water jet.
The ingress of water into the bearing pedestal would substantially impair bearing lubrication.
7 Maintenance
Model ICM/ICMP Magnetic Drive Chemical Process Pump with Grease Bearing Lubrication Installation, Operation, and
Maintenance Manual
27
Summary of Contents for Goulds Pumps ICM
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