HMP-1817E 6 (11/18)
5) Trial operation
After the start of pump, start the trial operation paying your attention to the following.
a) When you increase the pressure, please be careful of operation noise of pump.
Check there is no noise of air mixture and increase the pressure gradually.
b) If noise of air mixture does not fade out, there may be foams of coolant has not
disappeared sufficiently.
Please operate again after the foam disappears.
5. Maintenance procedure
Main check items, interval and crit
1) In case of a suction filter is installed in the circuit (Cleaning)
If you feel operating noise has changed from that when installed, please check the suction
filter.
The status of filter clogging varies due to primary filtration of the chip and installation
environment, etc.. In general, you should check the filter once per 1 3 months.
2) Control of coolant
When using coolant for long time, it may rot or sludge may grow in the tank.
Please make sure to renew the coolant at regular interval.
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