An authorized KAESER service representative will support you in determining appropriate in‐
tervals and provide information on the possibilities of oil analysis.
➤ Please observe national regulations regarding the use of cooling oil in oil-injected screw com‐
pressors.
➤ Check operating conditions and adjust intervals as necessary.
KAESER LUBRICANTS
SIGMA Lubricant
Description
Maximum Recommended Change Interval
First oil change
Subsequent oil change
M-460
ISO 46 Semi-Synthetic
Lubricant
2000 Hours
3000 Hours
S-460
ISO 46 Synthetic Lu‐
bricant
6000 Hours
8000 Hours
S-680
ISO 68 Synthetic Lu‐
bricant
6000 Hours
8000 Hours
FG-460
ISO 46 Food Grade
Synthetic Fluid
2000 Hours
3000 Hours
Tab. 37 Oil change intervals lubricants
10.2.5 Regular service tasks
The table below lists service tasks required.
➤ Only an authorized KAESER service representative 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.
Replace the compressor drive motor bearings.
Up to 36000 h
Every 6 years at the lat‐
est.
Have plastic pipes and hose lines replaced.
Up to 36000 h
Replace the control cabinet fan.
After 20 years at the lat‐
est
Replace safety-relevant components of the safety devices.
h = operating hours
Tab. 38 Regular service tasks
10.3 Cooler: Cleaning or Renewing the Filter Mats
The filter mats help to keep the cooler clean. If the filter mats are clogged, adequate cooling of the
components is no longer ensured.
10 Maintenance
10.3 Cooler: Cleaning or Renewing the Filter Mats
9_5875 33 USE
Operator Manual Screw Compressor
SM Tri-Voltage, SIGMA CONTROL 2
57
