<8. Maintenance>
8-3
IM 12F4A1-01E
8.5
Calibration
It is recommended that calibration be conducted every month. When the indicator electrode has
been polished or operation is restarted after being stopped for a long period of time, calibrate
zero point and span in the procedure described in Chapter 7.
8.6
Metering Pump Driving Section Oiling
Oil only the lever support block bearing parts shown in Figure 8.1.
Apply two or three drops of the attached lubricant (engine oil) into each block oiling port.
Perform oiling at the approximate rate of once a month.
Sample water metering
pump driving lever
support block
Reagent metering pump
driving lever support block
F8.1.ai
Figure 8.1
Metering Pump Driving Section
8.7
Replacement of “Bellofram” and Valve
Sheet in Metering Pump
In principle, replace the metering pump “Bellofram” and valve sheet with new ones, at the rate of
once every six months, even if no failure is recognized.
Figure 8.2 shows metering pump construction.
14th Edition : Jul. 15, 2020
Содержание RC400G
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