Schneider Airsystems UNM STS 660-10-270 Notice D'utilisation D'origine page 23

Prevent the vessel from emptying completely
during longer downtimes***:
Close ball valve (item 22).
2.5.1 Insert
1. Connect the compressor to the mains
power supply.
2. Switch on the compressor at the ON/OFF
switch (item 10) or the main switch.
Compressor starts up and switches off
automatically: the compressor is ready
for use.
2.6 Maintenance
Interval / No later than Tasks
-- / As needed
-- / after each use
daily / commissioning
Once after 10 h / --
-- / Weekly
50 h / After 6 months
500 h / after 1 year
1,000 h / after 2 years
2,500 h / After 5 years
2.6.1 Before each maintenance task
1. Switch off compressor at the ON/OFF
switch (item 10) (if available). Discon-
nect power supply at main switch.
3. Depressurise the whole compressor:
slowly open the ball valve condensate
drainage (item 09) and close it if no
more air escapes.
2.6.2 Cleaning the compressor
• Clean the cooling fins on the cylinder, cyl-
inder head and aftercooler using com-
pressed air.
• Clean the fan impeller cover on the motor.
2.6.3 Draining condensate from pres-
sure vessel
Condensate is a water pollutant. Dispose
of it according to applicable regulations!
When the switch-on pressure is reached, the
compressor restarts automatically.
2.5.2
Install the elastic connecting hose between
the ball valve (item 22) and compressed air
pipe system or compressed air cold dryer.
2.5.3
1. Switch on the compressor at the ON/OFF
2. Interrupt the power supply to the main
Clean compressor
Drain condensate from pressure vessel
Check the oil level, add oil if necessary.
Check screw connections
Check intake filter
Check V-belt tension (where applicable)
Clean intake filter
Change oil (1st oil change mineral or synthetic oil) 2.6.5
Change oil (with mineral oil)
Change intake filter
Change check valve and insert
Check screw connections
Change oil (with synthetic oil)
Change V-belts (where applicable)
Change safety valve
1. Place a suitable vessel under the conden-
2. To drain condensate, the pressure must
3. Open the ball valve (item. 09) and close
2.6.4
1. The oil level must be between the top
2. Correct if necessary.
2.6.5
1. Allow the compressor to warm up, switch
2. Pull out oil filler plug or hose (item 03),
Compressed air bleeding
After use
switch (item 10).
switch.
sate drain.
be approx. 2 bar.
it if no more condensate runs out
Checking the oil level
and bottom marks (oil dipstick/oil in-
spection glass). (Figure 4a)
If oil is milky, it must be changed imme-
diately.
Changing/adding oil
it off, disconnect the power supply.
hold used oil container under the mini
GB
UNM STS/STL
See chap.
2.6.2
2.6.3
2.6.4
2.6.6
2.6.7
2.6.9
2.6.7
2.6.5
2.6.7
2.6.10
2.6.6
2.6.5
2.6.9
2.6.11
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