28
28
NOBEL 75 E DV
B
A
MAX
MIN.
C
B
A
MAX
MIN.
C
E
G
G1
F 1
G2
F
E
G
G1
F 1
G2
F
8
NOBEL 75 E DV
NOBEL DV 45-55
NOBEL DV 45-55
9
EN
REPLACING THE OIL FILTER
(Fig. 8)
With the compressor stopped, remove the front panel.
This operation must be carried out with the tank not pressurised.
Alarm signal.
At each change replace also the oil filter
E
, unscrew the old filter
and replace it. Always apply some oil on the edge of the filter
and on the seal before refitting manually the filter.
REPLACING THE SEPARATOR FILTER
(Fig. 8)
Bleed all air.
•Loosen all hose connections positioned on oil separator upper
flange.
•Remove flange
F1
fastening bolts
F
and lift the oil separator
filter unit using adequate lifting equipment.
•Replace oil separator filter
G
and gaskets
G1
and
G2
.
•Re-insert the components in the tank paying attention to correct
positioning of the gaskets
G1 - G2
.
•Tighten bolts in a cross sequence. Be sure to tighten bolts
evenly and re-connect all connections.
REPLACING THE OIL
(Fig. 9)
When the compressor is hot - above 70 °C, replace the oil.
Alarm signal
• Remove the front panel
• Connect the drain hose provided to cock
B
located at the base
of the separator tank.
• Unscrew the plug from hole
A
, open the cock and allow the oil
to drain in to a container until draining is complete.
• Close cock
B
and withdraw the hose.
• Refill with new oil using hole
A
(for the quantity, see the
“Technical Data” paragraph) and refit the plug.
• Start up the compressor and allow to function for 5 minutes,
and then shut it down. Discharge all of the air and wait 5 minutes
before controlling the oil level. Top up, if necessary.
THE EXHAUSTED OIL IS HIGHLY POLLUTANT!
For its
disposal comply with the current laws on environmental
protection.
• The oil in the original equipment is FSN Original Oil in the
following list:
Description
Type of oil
RotEnergyPlus
46cST
Synthetic lubricant ISO 46 for industrial use
RotEnergyFood
46cST
Synthetic lubricant ISO 46 for foodstuff use
RotarECOFLUID
46cST
Mineral lubricant ISO 46 for industrial use
A label attached to the compressor tank indicates the exact type
of oil used before first installation.
You are advised to use that type of oil in all the oil changes
planned for ordinary maintenance (for the time intervals, refer
to the maintenance table).
In the case of changing the type of oil, operate only for the
complete replacement. NEVER MIX DIFFERENT TYPES OF
OIL.
In this case, change also the oil filter and the separator filter.
MAINTENANCE
STORM 38 VS - Cod.197DD9910 - Rev.2 01/2016
NOBEL DV 45-55_NOBEL 75 E DV CSA - Cod.197EE0696ML - Rev.0 02/2020
