Atlas Copco ZR-90 - Page 31

Flow diagram, ZT
Explanation of arrows
Ref Name
(1) Air inlet
(2) Air flow
(3) Oil flow
(4) Water flow
(4)
(5)
Air outlet
Oil system
On ZR compressors, oil is circulated by pump (OP) from the sump of the gear casing to cooler (Co). From
there, the oil flows through filter (OF) towards the bearings and timing gears.
Instruction book
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