KAESER SERVICE will support you in determining appropriate intervals and provide informa‐
tion on the possibilities of oil analysis.
➤ Observe national regulations regarding the use of cooling oil in oil-injected rotary screw com‐
pressors.
➤ Check operating conditions and adjust intervals as necessary; log the results in table 50 for fu‐
ture reference.
Maximum permissible oil change interval
[operating hours/years]
SIGMA FLUID Favourable operating
conditions*
Unfavourable operat‐
ing conditions
My operating condi‐
tions
S-460 6000**/2 4000/1
S-570 6000**/2 4000/1
MOL 3000/1 2000/1
FG-460 3000/1 2000/1
FG-680 3000/1 2000/1
PANO‐
LIN HLP SYNTH 46
3000/1 2000/1
* Cool to moderate ambient temperatures, low humidity, high duty cycle
** Change intervals of >6000 perating hours are not permissible without an oil analysis.
Tab. 50 Cooling oil Change intervals
10.2.5 Regular service tasks
The table below lists necessary service tasks.
➤ Only an authorised KAESER SERVICE technician should carry out service work.
➤ Have service tasks carried out punctually taking ambient and operating conditions into ac‐
count.
Interval Service task
Display:
SIGMA CONTROL 2
Service valves.
Compressor drive motor:
Replace the motor bearings.
up to 36000 h
Every 6 years at the lat‐
est.
Have the plastic pipes and hose lines been replaced.
up to 36000 h Replace the control cabinet fan.
After 20 years at the lat‐
est
Replace safety-relevant components of the safety functions.
h = operating hours
Tab. 51 Regular service tasks
10 Maintenance
10.2 Following the maintenance plan
58
Operating Manual Rotary screw compressor
SK 901848 21 E
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