6 Maintenance
Personnel:
n
Mechanic
n
Service personnel
NOTICE!
The maintenance may only be carried out by professional and authorised
persons.
CAUTION!
Maintenance may be performed only by authorized persons possessing the
necessary specialist knowledge and experience.
Maintenance interval: Quarterly, shorter intervals in case of heavier loading
(e.g. continuous operation).
CAUTION!
The system must be depressurized and drained prior to any maintenance
or repair work which necessitates opening of the MFV!
Please adhere under all circumstances to the product data-sheet for the
metered fluid, in order to avoid injuries of all types!
Recommended is to control the following:
n Suction and pressure lines for leak-free connections
n Return line (R) at the valve (breakage of the diaphragm)
n Proper fitting of the casing screws (Position 13 (3 - 4 Nm))
13 casing screws R return line
Maintenance
25 417101224 Rev. 05-05.2019
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