6 Preventive and corrective maintenance
6.1 Lubrication
Refer to
for lubrication procedures for pump. Follow motor and coupling manu-
facturer's lubrication instructions.
6.2 Mechanical seal
The seal requires no attention other than to make sure that circulating lines, where installed, do not be-
come clogged.
6.3 Vibration
It is good practice to periodically monitor vibration of the pump. Normally, vibration level will be well be-
low accepted standards. Of equal importance is that the vibration level does not increase. If a problem
with vibration is encountered, refer to
8.1 Troubleshooting on page 31
.
6.4 Performance
If performance deteriorates, refer to
8.1 Troubleshooting on page 31
.
6 Preventive and corrective maintenance
Model 3935 Installation, Operation and Maintenance Instructions
17
