Oil system components, ZT
Procedure
Step Action
1 Run the compressor until warm.
2 Press stop button (1), wait until the compressor has stopped, press emergency stop button
(S2) and switch off the voltage to the compressor.
3 Remove filler plug (FC). Drain the compressor sump by opening drain valve (Dmo). Close
the valve after draining.
Drain the oil cooler by removing its drain plug and vent plug.
Drain the oil of the compressor elements. Yellow-painted drains plugs are provided on
both elements.
4 Remove the oil filter (OF). Clean the filter seat, oil the gasket of the new filter and screw it
into place until the gasket contacts the seat. Then tighten by hand.
5 Fill the compressor sump to the middle of the oil level sight-glass (SG) with oil as specified
in “Oil specifications”. Reinstall the filler plug.
6 Switch on the voltage. Unlock the emergency stop button.
7 Run the compressor for a few minutes. Stop the compressor. If necessary, top up the gear
casing with oil to the middle of the sight-glass (SG).
8 After carrying out the maintenance operations of the related service plan, the service
warning must be reset. See also “Preventive maintenance schedule”.
7.3 Safety valves
Testing
The valves can be tested on a separate compressed air line. If a valve does not open at the pressure specified
in “Settings of safety valves”, consult Atlas Copco.
•
Never run the compressor without safety valves.
•
No adjustments are allowed.
Instruction book
122
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