7.4
[en] 02/2014
Installation and operating manual - NK 31
ROTORCOMP VERDICHTER
7.3.3 Filling with oil
Attention
Observe the oil recommendation, see “Lubricants
and Operating Materials”. Add oil of the same oil
type from the same manufacturer.
Switching over to another oil type can require the
compressor module to be flushed.
ROTORCOMP recommends also replacing the
oil filter during an oil change.
• Replace the oil filter if necessary
• Pour oil into the filler neck on the separator
tank up to the maximum level and screw the
screw plug
1
onto the filler neck by hand
(see Figure
7-2
).
• Switch on the screw compressor and allow it to
run for approx. three minutes.
• Oil level check:
Top up the missing oil quantity again up to the
maximum level.
• Check sheet entry (see chapter
7.7
“Mainte-
nance check sheet”).
7.4 Oil filter
Warning
Rotating, pressurized and hot components,
DANGER OF INJURY
– The unit parts, oil and oil filler plug may be
over 80°C/176°F; danger of burns!
– Wear personal safety equipment!
The oil filter replacement may only be carried
out at a standstill and with the screw compressor
system completely discharged.
7.4.1 Oil filter replacement intervals
According to the specifications of the system
manufacturer.
For the reference values for the screw compres
-
sor compact module, see chapter
7.8
“Mainte-
nance intervals”.
7.4.2 Oil filter replacement
Figure 7-3
• Switch off the system and completely release
the pressure in the system.
• Remove the oil filter cartridge
1
with a suitable
tool, e.g. oil filter strap wrench.
• Oil the gasket
2
on the new oil filter cartridge
1
with oil of the same oil type as in the compres
-
sor module.
Note
Dispose of the old oil filter cartridge according to
the applicable regulations.
• Screw the new oil filter cartridge onto the con
-
nection nipple
3
and tighten by hand. No tool is
required.
• Switch on the screw compressor.
• The oil filter must then be checked for leaks
with the system running.
• Oil level check:
Top up the missing oil quantity again up to the
maximum level.
• Check sheet entry (see chapter
7.7
“Mainte-
nance check sheet”).
1
2
3
