11.5.2 Maintenance schedule
Carry out the maintenance work after reaching the operating hours specified be-
low, however, at the latest after reaching the specified months.
Maintenance Operating hours Months
Filter cartridge, replace as required as required
Empty condensate vessel (if available) as required as required
Check pressure hoses (if available) for
tightness and damages
250 6
Unit, function test 500 12
Unit, leak test 500 12
Air filter, replace filter insert 500 12
Lubrication, clean and check oil lubrica-
tion nozzles
500 12
Separator, clean internally 500 12
Final separator, replace filter insert (if
available)
500 12
Valve heads, check valves 500 12
Check piston bush 500 12
Drive, check V-belts and fan impeller 500 12
Pressure vessel, check number of load
cycles
500 12
Pressure retention valve, check for inter-
nal leaks
500 12
Non-return valve, check for internal leaks 500 12
Condensate valves, check function, time
settings and pressure drop
500 12
Safety valves, check and change blow-off
pressure if there is no testing possibility
500 12
Pressure switch/pressure sensor, check
settings
500 12
Check temperature sensors (where fit-
ted)
500 12
Pressure gauge, check indicator 500 12
Lubricate electric motor (if lubricant is
available)
500 12
Check vibration dampers 500 12
Service kit, install 500 12
Filling valves (if fitted), change sintered
filter
500 12
OPERATING MANUAL Appendix | 11
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