SensoGate WA131MH
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6 Maintenance
6.1 Inspection
6.1.1 Inspection and Maintenance Intervals
NOTICE!
Different process conditions (e.g. pressure, temperature, chemically aggressive media) will af-
fect the inspection and maintenance intervals.
Analyze the specific application and process conditions
at hand. Identify similar application cases where experience has already been gained. Derive suitable
intervals from these past applications.
Interval
1)
Operation required
First inspection after
a few days/weeks
Move the SensoGate WA131MH into the SERVICE position. If the product is not tight,
process medium will escape from the outlet hose.
Moving into the SERVICE Position, p. 24
As necessary, replace process-wetted (dynamically loaded) O-rings.
Check leakage bores for process deposits.
As necessary, replace process-wetted (dynamically loaded) O-rings.
After 6 – 12 months
2)
Repeat the measures implemented during the first inspection.
After 5,000 – 10,000
strokes
As necessary, replace process-wetted (dynamically loaded) O-rings.
After approx. 2 years
In particular if using chemically aggressive cleaning agents, check the rinse-wetted gaskets
and replace them if necessary.
After approx. 5 years
Service the drive, replace O-rings and re-grease.
6.1.2 Knick Premium Service
Knick offers individually compiled services tailored to the customer's requirements for inspections and
functional tests on the product.
Further information can be found at www.knick.de.
6.1.3 Immersion Lock Without a Mounted Solid-Electrolyte Sensor: Functional Test
01.
Move the SensoGate WA131MH into the SERVICE position.
Moving into the SERVICE Position, p. 24
02.
Reset the emergency release if necessary.
Retractable Fitting: Emergency Release, p. 38
03.
Remove the sensor
Installing and Removing a Sensor, p. 25
04.
Check the function of the “Immersion lock without a mounted solid-electrolyte sensor”.
✓
It must be impossible to depress the safety lock button.
✓
It must be impossible to rotate the rotating collar.
05.
Install the sensor.
Installing and Removing a Sensor, p. 25
06.
Move the SensoGate WA131MH into the PROCESS position.
Moving into the PROCESS Position, p. 23
✓
Safety lock button pops out when the PROCESS position is reached.
✓
Rotating collar is locked to prevent rotation.
07.
Repeat the functional test every 12 months. As applicable, adjust the interval to match the specific
application for which the SensoGate WA131MH is used.
1)
The stated intervals are general recommendations. The actual intervals are dependent on the specific application
for which the SensoGate WA131MH is used.
2)
Following successful first inspection and confirmation of the suitability of all materials used, the interval may be
lengthened.
