Ecotechnics Premium ECK3900, Instruction Manual

Page: 115 / 992

INSTRUCTIONS MANUAL
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FIG. 23
2
4
FIG. 24
1
M.2) OIL CHANGE
The vacuum pump oil must be replaced every 20 hours of functioning and in any case every
time the refrigerant filters are replaced.
NOTE: alarm message is visualized, to remove alarm message refer to VACUUM PUMP OIL
CHANGE paragraph.
The oil must also be replaced whenever it changes color due to absorption of humidity. Before
beginning the oil change procedure, procure a container of at least 500 cc capacity in which to
collect the used oil. The pump contains about
250 cc of oil . Use only the oils recommended by
the manufacturer (consult your retailer); the use of a non-recommended oil may impair the
proper functioning of the pump and void the warranty.
1) Disconnect the machine from the mains supply.
2) Place a container (ref 4 Fig.23). under the drain cap (ref 2, Fig.23).
3) Unscrew the filling cap (ref 1, Fig.24).