➤ Check operating conditions and adjust intervals as necessary; log the results in table 53 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
6 000**/2
4 000/1
S-570
6 000**/2
4 000/1
MOL
3 000/1
2 000/1
FG-460
3 000/1
2 000/1
FG-680
3 000/1
2 000/1
PANOLIN HLP SYNTH
46
3 000/1
2 000/1
* Cool to moderate ambient temperatures, low humidity, high duty cycle
** Changing intervals of > 6000 operating hours are not permissible without an oil analysis.
Tab. 53 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
Up to 12,000 h
Have the valves checked.
up to 12,000 h, every
three years at the latest
Check the drive motor bearings
up to 36,000 h, every six
years at the latest
Have hose lines replaced.
■ Pressure pipes
■ Control air lines
h = operating hours
Tab. 54 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.
Material Filter mats:
Warm water and household detergent
Spare parts (as required)
Precondition The machine is switched off.
10 Maintenance
10.3 Cooler: Cleaning or Renewing the Filter Mats
62
Service Manual Screw Compressor
ASK T SIGMA CONTROL BASIC
9_5717 20 E
