8-12.3T M 5 5 - 1 5 2 0 - 2 4 0 - T8 - 1 2 . 3 C R U I S E G U I D E I N D I C A T I N G S Y S T E M O P E R A T I O N A L C H E C KINITIAL SETUPApplicable Configurations:AllTools:StopwatchMaterials:NonePersonnel Required:68F20 Aircraft ElectricianReferences:TM 55-1520-240-23Equipment Condition:TM 55-1520-240-23:Battery ConnectedElectrical Power OnHydraulic Power OffCruise Guide Indicating SystemVisual Check Performed (Task 8-12.2)TASKRESULT1.2.3.4.5.Check that CRUISE GUIDE circuitbreaker (1) is closed. Set and hold CGI TEST switch (2) toAFT.Release CGI TEST switch (2).Set and hold CGI TEST switch (2) toF W D.Release CGI TEST switch (2).If circuit breaker (1) is open, close it. If it opensagain go to task 8-12.4Pointer on Indicator (3) shall move to test bandwithin 8seconds. If pointer is not in test band, goto task 8-12.5.Pointer on indicator (3) shall move down scale. Ifit does not, replace switch (2).Pointer on Indicator (3) shall move to test bandwithin 8seconds. If pointer is not in test band, goto task 8-12.6.Pointer on indicator (3) shall move down scale. Ifit does not, replace switch (2).FOLLOW-ON MAINTENANCE:TM 55-1520-240-23:Battery DisconnectedElectrical Power Off8 - 3 0 0
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