Atlas Copco Stationary Rotary Screw Compressor ZR5 M

Dismantle and clean float valves of drain receivers

Replace air intake filter elements

Replace rolling diaphragm of unloader piston

Dismantle and inspect parts of unloader cylinder head assembly

Remove and inspect rubber diaphragm of compressor element balancing pistons

Remove air intake filter elements

Clean breather of step-up gear casing

Drain condensate from pulsation damper of bleed-off pressure safety switch

Drain condensate from air receiver, if installed

Check for water or oil leaks. Inspect all air pipes and tubes

Tighten leaking connections: replace damaged gaskets or tubes

Sign off on the maintenance procedure

Check unloading and loading pressures

Check aftercooler water outlet temperature

Check compressor water outlet temperature

Check compressed air outlet temperature

Check air intake filter service indicator

Check oil level before starting

Drain condensate from intercooler and aftercooler drain receivers after stopping