Maintenance
10 --- 55
Cooling oil
Maximum permissible oil change interval
[operating hours / year]
Favourable operat-
ing conditions*
Unfavourable oper-
ating conditions
My operating condi-
tions
SIGMA FLUID PLUS /
S---460
6 000** / 2 3 000 / 1
SIGMA FLUID MOL 3 000 / 1 2 000 / 1
SIGMA FLUID FGL 3 000 / 1 2 000 / 1
SIGMA FLUID FGH 3 000 / 1 2 000 / 1
* Cool to moderate ambient temperatures, low humidity, high duty cycle
** Changing intervals > 6000 operating hours, permissible only with oil analysis.
Tab. 42 Cooling oil changing intervals
10.2.4 Regular service work
Only authorised KAESER service agents should carry out service work.
When operating conditions are unfavourable (e. g. dusty atmosphere) or
when the equipment is heavily utilised, service work must be carried out
more frequently.
Interval
Service tasks
up to 12000 hours Check valves.
Up to 12000 hours,
at the latest every
3 years
Change the fan motor bearings or the motor complete.
(non re---greasable bearings)
Up to 36000 hours,
at the latest every