User Guide

SECTION 22—TIMING

Perfecto

™

74 Part No 1148070

10. Turntheunitoffandthenbackon.Thetimingvalueisstoredinmemoryforfuture

use.

11. Iftheunitisturnedoffbeforeanautotunecycleiscompleted,theP. E . valvetiming

willnotbestoredorupdated.Iftheboardisnew,autotuningMUSTbesuccessfully

completedbeforetheunitcanbeplacedintoservice.

12. Afterasuccessfulautotune,runtheunitfor30minutesandverifythattheoxygen

concentrationoutputoftheunitiswithinspecification.

13. Iftheoxygenoutputconcentrationisnotwithinspecification,reruntheautotune

again.

14. Reinstallthecoverscrews.

FIGURE 22.1 Autotuning

Autotune Push Button Switch

P.C. Board

NOTE:PCboardisexploded

awayfromcontrolpanelfor

clarity.thereisnoneedto

removeP. C . Boardfrom

controlpanel.