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REPLACING THE OIL
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 (quantity for complete refilling:
see the technical data table) 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
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.
REPLACING THE MINIMUM VALVE (Fig. 10)
Replace the seals highlighted with the letter G.
SUCTION VALVE REVISION (Fig. 11)
Replace the gasket, rod guide, spring and plate, highlighted
by letter H.
MAINTENANCE
Type of oil
A
C
MAX
MIN.
H
NOBEL DV 30-37 CSA - Cod.197EE0612ML - Rev.2 09/2019
EN
B
10
G
G
G
11
27
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