Period (1) Running hours
(1)
Action
“ “ Replace the air filter.
“ “ Re-tighten all power cable connections.
“ “ Change the filter mesh of dryer condensate drain.
“ “ Check the belt tension.
“ “ Clean the finned surface of the air-oil cooler.
“ 4000 (2) Replace the oil separator element.
“ 4000 (1) For compressors with line filters (G + C), replace the filters.
“ 4000 Replace the belts.
“ “ Install the drain wear kit.
“ “ Have the safety valve tested.
“ “ Have the operation of sensors, electrical interlockings and
components checked.
“ “ Have the temperature shutdown switch tested.
“ “ Inspect the air receiver.
The air receiver must no longer be used and must be replaced if the
wall thickness is less than the minimum value, specified in the
technical documentation of the air receiver.
“ “ If Roto-Foodgrade Fluid is used, change the oil.
“ 8000 (3) Change the oil.
“ 8000 Check the following components:
• non-return valve
• minimum pressure valve and thermostatic valve
• intake valve
Service kits for these components are available.
“ “ Check the status of the oil return valve and the oil pipes.
“ “ Install the unloader kit.
“ “ Replace the condensate drain.
(1): whichever comes first
(2): more frequently in a dusty environment
(3): The indicated oil exchange intervals are valid for standard operating conditions (see section
Reference conditions and limitations) and nominal operating pressure (see section Compressor
data). Exposure of the compressor to external pollutants or operation at high humidity combined
with low duty cycles may require a shorter oil exchange interval. Contact your supplier if in doubt.
Important
• Always consult your supplier if a service timer setting has to be changed.
• For the change interval of oil and oil filter in extreme conditions, consult your
Customer Center.
• Any leakage should be attended to immediately. Damaged hoses or flexible joints
must be replaced.
Instruction book
62 2920 7201 40
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