Safety Valves; Coolers - Atlas Copco ZR 110 Instruction Book

Instruction book
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10.3 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

10.4 Coolers

Testing
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Action
Switch on the voltage.
Unlock the emergency stop button and reset the oil and oil filter service warnings.
Run the compressor for a few minutes.
Stop the compressor.
On ZR 110 up to ZR 275 and ZT 110 up to ZT 275, check that the oil level is in the
middle of sight-glass (SG) after stopping (at longer standstill the level may rise in the
sight-glass).
Top up, if necessary.
valves, consult Atlas Copco.
Never run the compressor without safety valves.
No adjustments are allowed.
The coolers must be serviced regularly; refer to Preventive maintenance schedule .
Never install damaged or clogged coolers.
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