Ecotechnics SUN ECK TWIN 12 User Manual page 100

”two-in-one” — the complete stations for r134a and hfo1234yf
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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) Remove the rear plastic cover (ref 2, Fig.30) to access the vacuum pump.
3) Place a container (ref 3 Fig.31). under the drain cap (ref 5, Fig.34).
4) Unscrew the filling cap (ref 4, Fig.32).
4
INSTRUCTIONS MANUAL
3
-101-
2
FIG. 30
FIG. 31
FIG. 32

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