Other text: investigation completed on a smiths medical ventilators|pneupac ventilators ventipac complaint of problem with oxygen mix was verified.Device physical condition revealed missing knobs off and on along with out of spec manometer, missing end cap for the airmix knob, and a missing shroud cap for the gas supply indicator.When testing inspiratory and expiratory times were out of specification.Action was taken to replace replaced damaged oring on the airmix poppet seat, calibrated ins/exp.Replaced damaged oring on the airmix poppet seat, calibrated ins/exp.To correct the customer reported reason.Replaced manometer, faulty variable relief valve, airmix knob and shroud cap.Installed pm kit.Performed pm testing, cleaned and affixed service label.
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