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11.1 Maintenance schedule
The maintenance schedule specifies the intervals in which the maintenance work
has to be carried out in order to maintain the function of the device.
Interval
Activity
• Check that the official seal has not been tampered with (this
Weekly
• Clean the device.
As required
• Check the plug connections and screw connections for
• Check the device for leaks. Please perform a leakage check
Every 5 to 10
Years
• Check the device for leaks. The leak tightness of the device
On consulta-
tion with RMG.
11.2 Checking the device for leaks
For safe operation, the device must be sent back to RMG every 5 to 10 years to
check for leaks.
In the course of a recalibration from RMG, the device will also be checked
for leaks at the same time.
If the device is used with the permitted gases, the service life of the seals is
unlimited.
Chapter 13.2, "Approved gas types" on page 180
If other gases are used, please contact RMG.
RMG service will provide you with an interval for the leak test for the inter-
action with the ultrasonic gas meter and the gas type used.
1
Pack the device for transport and shipping to RMG correctly.
Chapter 6.2, „Packing the device for transportation" on page 73
time interval can be extended to a meaningful length).
leaks and tight fit, where necessary, replace the seals.
each time the device has been physical touched.
may be limited if non-approved gas types are used. In these
cases, please contact RMG.
11 Maintenance
Manual USM GT400 · EN10 · May 2021
165
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