Textron Aviation Cessna 525 User manual

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

ELEVATORTRIMSERVOCAPSTANCABLERETENTION

IMPROVEMENT

ICASupplement

MODELNO:525

SUPPLEMENTNO:ICA-525-27-00007

SUPPLEMENTDATE:7/13/2020

©TEXTRONAVIATIONINC.

Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

REVISIONS

ICA-525-27-00007Rev:-Date:Jul/13/2020

ICASummaryPages1-6

ManualsAffectedDescriptionTitle

MaintenanceManual27-30-10pages

401-423

ELEVATORANDTABSYSTEMCOMPONENTS-

REMOVAL/INSTALLATION

•ThissectioncontainstherevisedproceduresforinstallationoftheGSM86ElevatorTrimServo

GearboxandCable.

AppendixA:IllustratedParts

Catalog

SeeAttached

PartsT able

AppendixB:WiringDiagram

Manual

NOTUSED

1.ExportCompliance

A.ThispublicationcontainstechnicaldataandissubjecttoU.S.exportregulations.Thisinformationhas

beenexportedfromtheUnitedStatesinaccordancewithexportadministrationregulations.Diversion

contrarytoU.S.lawisprohibited.

ECCN:9E991

2.RevisionBars

A.RevisionbarsinthisICAsupplementidentifynewICAsand/orchangestothecurrentICAsinthe

releasedmaintenancemanual.

•NewICAsthatarenotinthecurrentmaintenancemanualwillhavearevisionbarfromtopto

bottomalongtheleftmargin.

•ICAsthatareinthecurrentmaintenancemanualandhaveinformationadded,deletedorrevised

willhavearevisionbar(s)intheleftmarginadjacenttotheadded,deletedorrevisedinformation.

•Neworchangedillustrationswillhaveachangebarfortheentirelengthofthepage.

3.PageNumbering

A.ThepagenumbersystemforICAincludedinthissupplementhavethree-elementnumbersthatare

separatedbydashes.Thethree-elementnumberisfoundatthebottomrightcornerofthepage,left

ofthepagenumber.Thedateisfoundbelowthepagenumber.

B.Whenthechapter/systemelementnumberisfollowedwithzerosinthesection/subsystemand

subject/unitelementnumber(28-00-00),theinformationisapplicabletotheentiresystem.

Page1of6

Jul13/2020

©TEXTRONAVIATIONINC.

ICA-525-27-00007Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

C.Whenthesection/subsystemelementnumberisfollowedwithzerosinthesubject/unitelement

number(28-21-00),theinformationisapplicabletothesubsystemsinthesystem.

D.Thesubject/unitelementnumberisusedtoidentifyinformationapplicabletounitsinthesubsystems.

Thesubject/unitelementnumbercontinuesinsequencefromthenumber-01-withthenumberof

subsystemunitsinwhichmaintenanceinformationisnecessary.

E.Allsystem/subsystem/unit(chapter/section/subject)maintenancedataisseparatedintospecied

typesofinformation:DescriptionandOperation,Troubleshooting,MaintenancePractices,etc.

Blocksofpagenumbersthatareinsequenceareusedtoidentifythetypeofinformation:

(1)DescriptionandOperationorTroubleshootinginformationmaynotbeincludediftheprocedure

iseasy.Whensubtopicsareshort,theymaybeputtogetherintotheMaintenancePractices

section.MaintenancePracticescanhaveamixofsubtopicsthatincludesinformationtoservice,

remove,install,adjust,test,clean,paintordoapprovedrepairs.

(2)Longerproceduresthatarenotaseasytodomaybeincludedinaspeciedsection.

Page1through99-DescriptionandOperation

Page101through199-Troubleshooting

Page201through299-MaintenancePractices

Page301through399-Servicing

Page401through499-Removal/Installation

Page501through599-Adjustment/T est

Page601through699-Inspection/Check

Page701through799-Cleaning/Painting

Page801through899-ApprovedRepairs

F.Atypicalpagenumber:

G.Illustrationsusethesamegurenumbersasthepageblockinwhichtheyappear.Forexample,Figure

202wouldbethesecondgureinaMaintenancePracticessection.

4.SupplementRevisions

A.Revisionstothissupplementmaybeaccomplishedifchangestothissupplementarerequiredafter

releaseoftheoriginalissueandpriortoincorporationintothemanualslistedintheREVISIONStable.

B.Allrevisionstothissupplementwillhavechangesidentiedindetailintherevisionblock(s)above.

C.AllpagesinthisICAsupplementwillhavethesamedateandarevalidasofthedateshown.

5.ICAIncorporationintoApplicableManuals

NOTE:MostICAsupplementswillbeincorporatedinthenextavailablerevisiontothemanuals

listedaboveandshouldbeusedinconjunctionwiththosemanualsuntilthenextavailable

revisionisreleased.

A.TheICASupplementListlocatedintheIntroductionsectionofeachmanuallistedintheREVISIONS

tablewillindicatetheincorporationstatusasofthereleasedateofthepublishedrevision.

Page2of6

Jul13/2020

©TEXTRONAVIATIONINC.

ICA-525-27-00007Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

B.Themanualrevisionlevelofthesupplementincorporationwillbelistedinthe"ManualIncorporation

Status"columnintheICASupplementList,whenthoseICAsassociatedwiththatmanualhavebeen

incorporated.AfterICAsareincorporated,themanualthattheyareincorporatedinmustnowbeused

forthoseICAsinsteadofthesupplement.

•Basedonrevisioncycletimesfortheaffectedmanuals,MMICAs,WDMICAs,etc.inthis

supplementmaybeincorporatedinthemanualsatdifferenttimes.

•Therewillnotbearevisiontothissupplementtoindicateincorporationinthemanuals.Usersare

requiredtochecktheICASupplementListforeachmanualaffectedtodetermineincorporation

status.

C.ThissupplementwillbecompletelysupersededbythemanualslistedintheREVISIONStablewhen

ithasbeenincorporatedinallofthemanuals.

Page3of6

Jul13/2020

©TEXTRONAVIATIONINC.

ICA-525-27-00007Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

INTRODUCTION

1.Purpose

A.ThepurposeofthisSupplementistoprovidethemaintenancetechnicianwiththeinformation

necessarytoensurethecorrectfunctionalityandperformanceoftheELEVATORTRIMSERVO

CAPSTANCABLERETENTIONIMPROVEMENTontheCessnaModel525(M2)untilthis

informationgetsincorporatedintothenextrevisiontothemanualslistedinthe"REVISIONS"section

ofthissupplement.

B.ThisICAsupplementisdesignedtosatisfytherequirementsof14CFR23.1529"Instructionsfor

ContinuedAirworthiness"associatedwiththisinstallation.Thisdocumentisasupplementtothe

Model525(0685and-0800andOn)MaintenanceManualandwillbeincorporatedinthenextrevision

tothemanual.

C.Whenthisinformationisincorporatedinthenextrevisiontothemanualslistedinthe"REVISIONS"

section,thosemanualsshalltakeprecedenceoverthissupplementaldocument.Refertothe"ICA

SupplementList"inthe"Introduction"sectionoftherespectivemanualforthestatusofallapplicable

ICASupplements.

D.RevisionstothissupplementmayoccurifthereisachangetoanyoftheICAsinthissupplement

priortoincorporationintoalloftheaffectedmanuals.

NOTE:Thisdocumentmustbeplacedwiththeaircraftoperator'sTechnicalLibraryCD-ROM

orModel525(0685and-0800andOn)MaintenanceManualandincorporatedintothe

operator'sscheduledmaintenanceprogram.

2.Effectivity

A.TheseInstructionsforContinuedAirworthiness(ICA)areeffectiveforthefollowingaircraftmodeland

serialization.

ModelBeginningEffectivityEndingEffectivity

525(M2)-1068andOn

3.CompleteICADocuments

A.Thefollowingdocument(s),inconjunctionwiththissupplement,constitutetheInstructionsfor

ContinuedAirworthinessfortheELEVATORTRIMSERVOCAPSTANCABLERETENTION

IMPROVEMENTontheCessnaModel525(M2).Allitemsmustbeavailabletotheoperatoratinitial

delivery.

(1)Model525(0685and-0800andOn)MaintenanceManual

4.SystemComponents

A.RefertoAppendixA:IllustratedPartsCatalog

Page4of6

Jul13/2020

©TEXTRONAVIATIONINC.

ICA-525-27-00007Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

LISTOFINSTRUCTIONSFORCONTINUEDAIRWORTHINESS

1.Model525(0685and-0800andOn)MaintenanceManual

A.Chapter27FlightControls

(1)ATA27-30-10ElevatorandT abSystemComponents-Removal/Installation

Page5of6

Jul13/2020

©TEXTRONAVIATIONINC.

ICA-525-27-00007Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

INSPECTIONPROGRAMANDAIRWORTHINESSLIMITATIONS

1.ContinuousInspectionProgram

A.ThisICASupplementdoesnotaffectthecurrentinspectionprogram.

2.AirworthinessLimitations

A.CessnaAircraftCompanyModel525(0685and0800andOn)MaintenanceManual,Chapter4,

AirworthinessLimitations,containsthesystemandairframelimitationsfortheModel525(M2).

NOTE:TheAirworthinessLimitationssectionisFAA-approvedandspeciesmaintenance

requiredunderSection43.16and91.403ofTitle14CodeofFederalRegulations,unless

analternativeprogramhasbeenFAAapproved.

(1)Therearenonew(oradditional)airworthinesslimitationsassociatedwiththisequipmentand/or

installation.

Page6of6

Jul13/2020

©TEXTRONAVIATIONINC.

ICA-525-27-00007Form2261Rev1

CESSNA®

MODEL525(SERIALS-0685AND-0800ANDON)

MAINTENANCEMANUAL

ELEVATORANDTABSYSTEMCOMPONENTS-REMOVAL/INSTALLATION

1.General

A.Thissectionprovidesinformationrelatingtotheremovalandinstallationofcomponentsassociated

withtheelevatorandelevatortrimtabsystems.Forcontrolcableremoval/installationandrigging

information,refertoElevatorandT abSystemControlCables-MaintenancePractices.

B.Forremovalandinstallationoftheelevator,refertoChapter55,Elevator-Removal/Installation.

2.ToolsandEquipment

A.Foralistoftoolsandequipment,refertoFlightControls-General.

3.ForwardElevatorSectorAssemblyRemoval/Installation

A.RemovetheForwardElevatorSectorAssembly(RefertoFigure401).

(1)Removecopilotsseat.RefertoChapter25,CrewSeats-MaintenancePractices.

(2)Gainaccesstotheforwardelevatorsectorbyremovingpanel241BTC.RefertoChapter6,

AccessPlatesandPanelsIdentication-DescriptionandOperation.

(3)Gainaccesstotheelevatorcontrolcableturnbucklesinthetailconebyremovingpanels321BC

and321FC.RefertoChapter6,AccessPlatesandPanelsIdentication-Descriptionand

Operation.

(4)Disconnecttheelevatorforwardtrimcablesfromthechainatthecontrolpedestalinthecockpit.

RefertoElevatorandTabSystemControlCables-MaintenancePractices,ElevatorForward

TrimCablesRemoval/Installation.

(5)Disconnecttherudderforwardtrimcontrolcablesfromthechainatthecontrolpedestalinthe

cockpit.RefertoRudderandTabSystem-MaintenancePractices,RudderTrimTabControl

CablesandStopBlocksRemoval/Installation.

(6)Disconnectthefuselageailerontrimcablesfromthechainatthecontrolpedestalinthecockpit.

RefertoAileronandT abSystemControlCables-MaintenancePractices,FuselageAileronTrim

CableRemoval/Installation.

(7)Removesafetyclipsandloosenelevatorcontrolcableturnbuckles.

(8)Removenuts,washersandscrewssecuringelevatorcontrolcablestoforwardsector.

(9)Taganddisconnectelevatorcontrolcables.

CAUTION:Becarefultopreventdamagetotheavionicsdisplayswhenyou

disconnecttheconnectinglinkfromtheforwardelevatorsector.

Thecontrolcolumncanfallforwardanddamagethedisplaysif

protectivepadsorfoamcoversarenotinstalledontheavionics

displays.

(10)Putaprotectivepadorfoamcoverontheavionicsdisplays.

(11)Removeanddiscardthecotterpinfromthenutandtheboltthatconnecttheforwardelevator

connectinglinktotheforwardelevatorsector.

(a)Removethenut,washers,andboltandcarefullymovethecontrolcolumnsforwardasyou

disconnecttheconnectinglinkfromthesector.

(12)Removetheaftpedestalswitchpaneltogetaccesstotheailerontrimgearbox.RefertoChapter

31,InstrumentandSwitchPanels-MaintenancePractices,AftPedestalSwitchPanelRemoval/

Installation.

(13)Removethescrews,washers,andnutsthatattachtheailerontrimgearboxtothepedestal

structure.

(14)Removethescrewsthatattachtheruddertrimgearboxtothepedestalstructure.

(15)Removethescrewsthatattachthetrimbearingplatetotheuppersectorbracket.

(16)Liftthesprocketssufcientlytopullthebearingplateawayfromtheuppersectorbracket.

(a)Removethebearingplatefromtheairplane.

(17)Removescrewssecuringstopblocktoupperandlowersectorbrackets.

(18)Removesafetywire,pivotboltandwasherssecuringsectorassemblytoupperandlowersector

brackets.

27-30-10Page401

©TEXTRONAVIATIONINC.Jul13/2020

ICA-525-27-00007Form2261Rev1

CESSNA®

MODEL525(SERIALS-0685AND-0800ANDON)

MAINTENANCEMANUAL

A89911

6310T1168

A6315T1168

Pivot Bolt

Upper Bracket

Stop Block

Stop Bolt

Elevator Cable

(Rigt)

Forward

Elevator

Sector

Elevator Cable

(Left)

Lower Bracket

Rod End

Connecting Link

Spacer

DETAIL A

Screw

Trim Bearing Plate

ForwardElevatorSectorInstallation

Figure401(Sheet1)

27-30-10Page402

ICA-525-27-00007Form2261Rev1

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