参考说明文件

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MAINTENANCEMANUAL

SouthernAirlines

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¦PAGE DATE CODE ¦PAGE DATE CODE ¦PAGE DATE CODE ¦

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¦ ¦56-11-01 ¦56-21-01 CONT. ¦

¦CHAPTER56TAB ¦ 601 JUN18/01 02 ¦ 605 JUN10/94 01 ¦

¦ ¦ 602 JUN18/01 02 ¦ 606 OCT18/99 04 ¦

¦WINDOWS ¦ 603 JUN10/91 02 ¦ 607 JUN18/00 01 ¦

¦ ¦ 604 JUN18/99 02 ¦ 608 JUN18/00 01 ¦

¦ ¦ 605 OCT18/99 04 ¦ ¦

¦56-CONTENTS ¦ 606 OCT18/99 03 ¦56-21-01 ¦

¦ 1 FEB18/02 GUN ¦ ¦ 801 FEB15/99 02 ¦

¦ 2 FEB18/02 GUN ¦56-11-02 ¦ 802 FEB18/00 01 ¦

¦ ¦ 401 FEB15/99 02 ¦ 803 FEB15/99 02 ¦

¦56-00-00 ¦ 402 OCT10/92 01 ¦ 804 OCT10/97 01 ¦

¦ 1 JUN10/94 01 ¦ 403 OCT10/92 01 ¦ ¦

¦ 2 BLANK ¦ 404 OCT10/92 01 ¦56-31-00 ¦

¦ ¦ 405 OCT10/92 01 ¦ 1 JUN10/94 01 ¦

¦56-00-00 ¦ 406 OCT10/92 01 ¦ 2 JUN10/94 01 ¦

¦ 101 OCT10/88 01 ¦ 407 JUN18/99 01 ¦ ¦

¦ 102 JUN10/94 01 ¦ 408 FEB15/99 02 ¦ ¦

¦ ¦ 409 FEB15/99 02 ¦ ¦

¦56-11-00 ¦ 410 OCT10/92 01 ¦ ¦

¦ 1 JUN10/94 02 ¦ 411 FEB15/99 03 ¦ ¦

¦ 2 JUN10/94 02 ¦ 412 FEB15/99 02 ¦ ¦

¦ 3 FEB10/94 02 ¦ 413 FEB15/99 02 ¦ ¦

¦ 4 JUN10/94 02 ¦ 414 JUN18/00 01 ¦ ¦

¦ 5 JUN10/94 02 ¦ 415 FEB18/02 01 ¦ ¦

¦ 6 JUN10/94 02 ¦ 416 OCT10/92 01 ¦ ¦

¦ 7 FEB10/94 02 ¦ 417 OCT18/01 04 ¦ ¦

¦ 8 FEB10/94 01 ¦ 418 OCT18/01 01 ¦ ¦

¦ ¦ 419 FEB15/99 03 ¦ ¦

¦56-11-00 ¦ 420 BLANK ¦ ¦

¦ 801 FEB15/99 02 ¦ ¦ ¦

¦ 802 JUN10/91 01 ¦56-11-02 ¦ ¦

¦ 803 JUN10/91 01 ¦ 601 OCT18/01 01 ¦ ¦

¦ 804 OCT18/01 04 ¦ 602 OCT18/01 01 ¦ ¦

¦ 805 OCT18/01 04 ¦ 603 OCT18/01 01 ¦ ¦

¦ 806 JUN10/94 03 ¦ 604 OCT18/01 02 ¦ ¦

¦ 807 JUN10/94 01 ¦ 605 OCT18/01 02 ¦ ¦

¦ 808 OCT18/01 01 ¦ 606 FEB15/99 03 ¦ ¦

¦ 809 OCT18/01 02 ¦ ¦ ¦

¦ 810 OCT18/01 02 ¦56-21-00 ¦ ¦

¦ ¦ 1 FEB18/02 03 ¦ ¦

¦56-11-01 ¦ 2 JUN10/94 01 ¦ ¦

¦ 401 OCT15/98 01 ¦ ¦ ¦

¦ 402 JUN10/94 01 ¦56-21-01 ¦ ¦

¦ 403 JUN10/91 01 ¦ 401 FEB18/02 09 ¦ ¦

¦ 404 FEB15/99 02 ¦ 402 JUN10/94 01 ¦ ¦

¦ 405 JUN18/00 02 ¦ 403 FEB18/02 12 ¦ ¦

¦ 406 JUN10/91 01 ¦ 404 JUN10/94 01 ¦ ¦

¦ 407 JUN18/99 02 ¦ 405 OCT18/00 01 ¦ ¦

¦ 408 JUN18/99 02 ¦ 406 FEB18/02 11 ¦ ¦

¦ 409 FEB18/01 01 ¦ 407 OCT18/01 03 ¦ ¦

¦ 410 JUN18/00 01 ¦ 408 OCT18/01 04 ¦ ¦

¦ 411 FEB18/02 02 ¦ 409 FEB18/00 10 ¦ ¦

¦ 412 JUN15/98 02 ¦ 410 BLANK ¦ ¦

¦ 413 JUN15/98 02 ¦ ¦ ¦

¦ 414 FEB18/01 02 ¦56-21-01 ¦ ¦

¦ 415 FEB15/99 04 ¦ 601 OCT18/01 02 ¦ ¦

¦ 416 JUN15/98 01 ¦ 602 OCT18/01 02 ¦ ¦

¦ 417 FEB18/01 02 ¦ 603 FEB15/99 03 ¦ ¦

¦ 418 FEB15/99 03 ¦ 604 OCT10/91 01 ¦ ¦

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E1 PAGE 1

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R=REVISED,A=ADDEDORD=DELETED CHAPTER 56

F=FOLDOUTPAGE

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S_u_b_j_e_c_t_

CHAPTER56-WINDOWSTABLEOFCONTENTS

ChapterSectionS_u_b_j_e_c_t_

P_a_g_e_

E_f_f_e_c_t_i_v_i_t_y_

W_I_N_D_O_W_S_ 56-00-00

DescriptionandOperation 1 ALLComponentLocation 101 ALL

ComponentIndexComponentLocation

FLIGHTCOMPARTMENT

56-10-00

FLIGHTCOMPARTMENTWINDOWS

56-11-00

DescriptionandOperation

1

ALL

General

1

No.1Windows

1

No.2and3Windows

2

ApprovedRepairs 801 ALL

WINDOW-FLIGHTCOMPARTMENTNO. 56-11-01

(WINDSHIELD)

Removal/Installation 401 ALL

Inspection/Check 601 ALL

WINDOWS-FLIGHTCOMPARTMENTNO. 56-11-02

AND3

Removal/Installation

401

ALL

Inspection/Check

601

ALL

C_A_B_I_N_

56-20-00

PASSENGERWINDOWS

56-21-00

DescriptionandOperation

1

ALL

General

1

SealWindows

PASSENGERWINDOWS

56-21-01

1

1

Removal/Installation

401

ALL

Inspection/Check

601

ALL

ApprovedRepairs

801

ALL

D_O_O_R_ 56-30-00

56-CONTENTS

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S_u_b_j_e_c_t_

CHAPTER56-WINDOWSTABLEOFCONTENTS

ChapterSectionS_u_b_j_e_c_t_

P_a_g_e_

E_f_f_e_c_t_i_v_i_t_y_

DOOR-MOUNTEDWINDOWS

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DescriptionandOperation

1

ALL

General

1

MainEntryDoorWindows

1

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1. G_e_n_e_r_a_l_

WINDOWS-DESCRIPTIONANDOPERATION

Thewindowsontheair nearegroupedasfollows:

FlightCompartmentWindows(Ref56-11-00/001).

PassengerWindows(Ref56-21-00/001).

Door-MountedWindows(Ref56-31-00/001).

Allwindows,excepttheinteriorcompartmentviewers,aredesignedtowithstandcabinpressurizationloadsandaredesignedwithfail-safefeatures.

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FAULTISOLATION/MAINTMANUAL

W_I_N_D_O_W_S_

COMPONENT

FIG.102SHT

QTY

ACCESS/AREA

REFERENCE

WINDOW-NO.1(WINDSHIELD)

--

2

FLTCOMPT

56-11-01

WINDOW-NO.2

--

2

FLTCOMPT

56-11-02

WINDOW-NO.3

--

2

FLTCOMPT

56-11-02

PANE-OUTERPASSENGERWINDOW

--

1

PASSENGERCOMPARTMENTEACH

56-21-01

WINDOW

PANE-MIDDLEPASSENGERWINDOW

--

1

PASSENGERCOMPARTMENTEACH

56-21-01

WINDOW

REVEAL-PASSENGERINNERWINDOW

--

1

PASSENGERCOMPARTMENTEACH

56-21-01

WINDOW

SEAL-PASSENGERWINDOW

--

1

PASSENGERCOMPARTMENTEACH

56-21-01

WINDOW

Windows-ComponentIndexFigure101

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FAULTISOLATION/MAINTMANUAL

RIGHTWINDOWNO.3RIGHTWINDOWNO.2

RIGHTWINDOWNO.1(WINDSHIELD)

LEFTWINDOWNO.3LEFTWINDOWNO.2

A

A

1

LEFTWINDOWNO.1(WINDSHIELD)

PASSENGERWINDOWS

FLIGHTCOMPARTMENTWINDOWS

A

A

WINDOWFRAME

OUTERPANE

MIDDLEPANE

NON-STRUCTURALINNERPANE

WINDOWREVEAL

DOORMOUNTEDWINDOW

A-A

1

ONPASSENGERANDCOMBIAIRNESONLY

Windows-ComponentLocationFigure102

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FLIGHTCOMPARTMENTWINDOWS-DESCRIPTIONANDOPERATION

1. G_e_n_e_r_a_l_

Sixwindowsaresymmetricallylocatedaroundtheforwardendoftheflightcompartment. ThewindowsaredesignatedrightsideandleftsidewindowsNo.1,2,and3,asshownonFig.1. Thecorrespondingleftandrightwindowsareidenticallyoppositeassemblies.

Allflightcompartmentwindowsareoflaminatedconstruction. TheNo. 1windows,whicharethepilots'windshields,consistofagreaternumberoflaminationstowithstandbirdimpactwithorwithoutwindowheat.

Pressuresealingis plishedwithagasketorrubber-beadedsealmoldedtothewindshieldframeandtheNo.2and3windowframes. Anaerodynamicsealis plishedbyfillingthegapbetweenwindowedgeandfuselageskinflushwithaerodynamicsmoother. Thisalsoservesasaweathersealforkeeoutmoisture.

No.1Windows(Fig.2)

TheleftNo.1windowisthecaptain'swindshield. TherightNo.1windowisthefirstofficer'swindshield. Theleftandrightwindshieldsareoppositeassembliesandinstallations.

Eachwindshieldweighsapproximay150poundsandconsistsoftransparentlayerssecuredbetweenaZ-frameandmountingring. Thelayerconstructionallowsforthermaldifferentialsandpreventscrackpropagationbetweenthestructurallayers. TheZ-frameandmountingringattachtothefuselagestructuresurroundingthewindshields.

TwotypesofNo.1windowscanbeinstalled: afive-layersoda-limeglasslaminateorafive-layertemperedglassandsoda-limeglasslaminate. Thesewindowsarecompleyinterchangeableregardlessofmanufacturer.

SomeairneshaveahydrophobiccoatingontheNo.1windows. Therainrepellantsystemwillbedisconnectedontheseairnes.

WindshieldswithaTprefixserialnumber(Triplex)areconstructedoffivelayers: anoutertemperedglasslayer,apolyvinylbutyral(PVB)interlayer,aglassstructuralply,aPVBinterlayerandaglasscrewshield,whichisastructuralply. Triplexwindshieldshaveabluish-greentint. Fineverticallinesmaybevisible.

Theselines,calledisolationlines,areminuteseparationsbetweenverticalstripsofconductivecoatingwhichlimitcoatingburnouttotheaffectedstrip.

56-11-00

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WindshieldswithaPprefixserialnumber(PPGIndustries)arealsoconstructedoffivelayers: aglassouterlayer,aPVBinterlayer,aglassstructuralply,aPVBinterlayerandaglasscrewshield.PPGwindshieldsalsohaveabluish-greentint. Theouterglassplyissoda-limeglass.

Theinnerfaceofthefaceplyiscoveredwithaconductivecoating,whichispartoftheantifoggingandanti-icingsystems. Busbars,embeddedinthewindshieldlayers,contacttheconductivesurfacenearthetopandbottomofthewindshield. Twotemperaturecontrolsensorsarelaminatedintothewindshieldadjacenttotheconductivecoating.Onlyonecontrolsensorisused;oneisasparethatisusedonlyiftheotherfails. Wiresfromthebusbarsandsensortendthroughthewindshieldlaminationstotheterminalsontheinnerface.

No.2and3Windows(Fig.3)

TheleftNo.2and3windowsarethecaptain'ewindows.TherightNo.2and3windowsarethefirstofficer'ewindows.Theleftandrightwindowsareoppositeassembliesandinstallations.

Thesidewindowsaredesignedtobeinstalledfrominsidetheflightdeck. Theyaaplugandminimizescabinpressureleakagebycompressingthesidewindowpressureseal. Whentheairneispressurized,cabinpressureactingagainstasidewindow'ssurface,sthesidewindowagainsttheair ne'sframe,thusthesidewindowloadingactsdirectlyagainsttheair nestructurenotthroughthefasteners.

TheNo.2and3windowseachconsistofaninnerandanouterpanewithasticizedvinylinterlayerbetweenthem. Theinterlayerallowsforthermaldifferentialsandpreventscrackpropagationbetweenthepanes(Fig.1).

Thewindo nesaremadeoftemperedglass. Eachpanewillwithstandfullcabinpressureshouldonepanefail.

Theoutboardfaceoftheinnerglassplyiscoveredwithatransparentelectricallyconductivecoatingfortheantifoggingsystem. Busbars,embeddedinthewindowlayers,contacttheconductivesurfaceneartheforwardandaftedgesofthewindows. Theoverheatthermostatforthewindowisheldagainsttheinsidesurfaceofthewindowbyaspringretainer. Acontrolsensorisretainedagainsttheinnerpanewithatorsionspring. Thesensorisreceableandisprovidedwithpigtailsforelectricalhook-up.

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Theglasswindowassembliesaresecuredwithstandardfasteners. Rubberwashersareinstalledontheinsidesurfaceofthewindowassembly.Eitherametalwasherorbracketisinstalledoverthewasherfollowedbythenut. Variousbracketsareinstalledincludingthecontrolthermostatmountingbracketandwireharnessmountingbrackets.

56-11-00

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WINDOWNO.3(REF)

WINDOWNO.2(REF)

WINDOWNO.1(WINDSHIELD)(REF)

MANUFACTURERDATALOCATION

A

SEE

MANUFACTURER

DATEOF

1 MANUFACTURE

SERIALNUMBER

PARTNUMBER

A

MANUFACTURERDATALOCATION(EXAMPLE)

1

MANUFACTURERDANBELOCATEDONWINDOWADJACENTTOFRAME

FlightCompartmentWindowsFigure1

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A

WINDOWNO.1(WINDSHIELD)(REF)

SEE

INTERLAYER

COMBINATIONCREWSHIELDANDLOADBEARINGSTRUCTURE

GLASSINTERLAYER

CONDUCTIVECOATING

OUTSIDE

NO.1WINDOW

GLASSOUTERPLY

A

PREFIXTSERIALNUMBER(TRIPLEXWINDOW)

GLASSCREWSHIELD

INTERLAYER

GLASS

INTERLAYER

GLASSOUTERPLY

OUTSIDE

NO.1WINDOWPREFIXPSERIALNUMBER

(PPGWINDOW)

CONDUCTIVECOATING

A

No.1FlightCompartmentWindowFigure2

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MAINTENANCEMANUAL

A

WINDOWNO.3SEE

A

WINDOWNO.2SEE

PRESSURESEAL

SEAL

INSERT PVBINTERLAYER

OUTERGLASSPANE

INTERLAYERCORE

INNERGLASSPANE

INBOARDMEMBER(PHENOLIC)

CONDUCTIVECOATING

NO.2AND3WINDOWSPREFIXPSERIALNUMBER(PPGWINDOW)

A

No.2and3FlightCompartmentWindowsFigure3

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SEEA

BUSBAR

CONTROLSENSORANDSPARESENSOR

CONTROLSENSORTERMINALS

TERMINALS

BUSBARTERMINALS

BUSBARS

SEE

B

FWD

A

WINDSHIELDFRAME

WINDSHIELD

FUSELAGESKIN

AERODYNAMICSMOOTHER

NYLONCORD

RETAININGBOLT

BEADEDRUBBERSEALMOLDEDIN

CEORGASKET

WINDSHIELDRING

B

FlightCompartmentWindowNo.1Figure4

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A

SEE

BUSBAR

BUSBAR

CONTROLTHERMOSTAT

POWERTERMINAL

BUSBAR

OVERHEATTHERMOSTAT

OVERHEATTHERMOSTAT

A

A

POWER

TERMINAL

CONTROLTHERMOSTAT

NO.2WINDOW(REF)

FWD

NO.3WINDOW

A

STRUCTURE

NUT

METALWASHER

AND/ORBRACKETRUBBERWASHER

BOLT

WIN

DONE

A-A

SEALANT

FlightCompartmentWindowsNo.2and3Figure5

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FLIGHTCOMPARTMENTWINDOWS-REPAIRS

1. G_e_n_e_r_a_l_

Thisprocedurecontainsthefollowingtasks:

Repairoftheaerodynamicsmootherfortheflightcompartmentwindows.

RepairofthemoisturesealfortheNo.1window(windshield).

RepairofthecushionsealfortheNo.1window(windshield).

TASK56-11-00-308-001

RepairtheAerodynamicSmootherfortheFlightCompartmentWindows(Fig.801)

StandardToolsandEquipment

Spatula

FlowGun

ConsumableMaterials

G00294Tape-Masking,PermacelNo.76

B00083Solvent-AliphaticNaphtha,TT-N-95

A00474Sealant-AerodynamicSmoother,Silicone,DowCorningDC93-006

A00055Primer-Silicone,RTV1200,S-2260DowCorningCorporation

G00033Cheesecloth-Woven,Surewipe,(cleanandlint-)

PreparefortheRepairoftheAerodynamicSmoother.

S868-002

WARNING: OPENTHECIRCUITBREAKERSANDTURNOFFTHEWINDOWHEATSWITCHESBEFOREYOUDOWORKONTHEFLIGHTCOMPARTMENTWINDOWS. AFAILURETOOPENTHECIRCUITBREAKERSANDTURNOFFTHEWINDOWHEATSWITCHESCANCAUSEANELECTRICALSHOCKTOS.

PutthewindowheatswitchesintheOFFposition.

S868-003

OpenthesecircuitbreakersandattachDO-NOT-CLOSEtags:

P6MainPowerDistributionPanel

6B17WINDOWHEAT1R

6B34WINDOWHEAT1L

6E28WINDOWHEAT2L&3RPWR

6E30WINDOWHEAT2R&3LPWR

P180DCPowerDistributionPanel

180H12WDOHEATCONT1R

180H26WDOHEATCONT1L

56-11-00

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FLOWGUN

NO.1WINDOW

(WINDSHIELD)

TAPE

WINDSHIELD

FRAME

NYLON

CORD

TAPE

AERODYNAMICSMOOTHER

NO.3WINDOW

NO.2WINDOW(REF)

AerodynamicSmootherRepairFigure801

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S148-004

Removethelooseorcrackedaerodynamicsmoother.

S118-005

WARNING: BEVERYCAREFULWHENYOUUSEALIPHATICNAPHTHA. ALIPHATICNAPHTHAISFLBLE. IFYOUINCORRECTLYUSETHEALIPHATICNAPHTHA,INJURYORDAMAGECANOCCUR.

CAUTION: DONOTLETTHESOLVENTSTOUCH STICS,CONTROLCABLES,LUBRICATEDAREAS,DECALS,ORPAINTS. IFTHESOLVENTSTOUCHTHESEAREAS,DAMAGECANOCCUR.

Cleanthedistancebetweenthewindowframeandthewindowwithaliphaticnaphtha.

NOTE: Useacleancheeseclothtoapplythealiphaticnaphtha

andacleanclothtorubitoff. Donotletitdryonthesurfaces.

S118-032

Cleanthisdistanceagainuntilthesurfacesare oftheremainingfilm.

NOTE: Youmustbecarefulnottocausedamagetotheadjacentseal.

RepairtheAerodynamicSmoother.

S958-006

Putthetapearoundtheareasadjacenttotheaerodynamicsmoother.

Putthetapeabovetheclearancebetweenthewindowandframetopreventcontaminationbeforeyoufillitwiththenyloncord(Fig.801).

Removethetapethatisimmedia yabovethisclearancewithasharpknife.

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Makesurethetapestaysontheedges.

S398-007

Applytheaerodynamicsmoother(Fig.801).

Applyathinlayerofsiliconeprimertothesurfacesofthisclearance.

Lettheprimerdryaminimumofonehourat70degreesF.

Applyalayerofsiliconeprimertoonenyloncord(No.2or3window)ortwocords(No.1window)andletitdryfor30minutes.

S828-041

Putthecordsinthecorrectlocations:

NOTE: Youmustcompletethestepsthatfollowtoputthecordsinthecorrectlocationsin2.5hours.

FortheNo.1window,

putthecord(s)inthecorrectlocation(s)(Fig.801).

Fillthefulllengthofthedistancebetweentherightandleftwindshieldwithoneshortcord.

Installtheothercordwithasufficientlengthtowindaroundthethreeremainingsidesofthewindshield.

FortheNo.2and3windows,

putthecordinthecorrectlocation(Fig.801).

Putthecordintheclearancearoundthewindow.

Pushthecordwithathinhandtool.

Makeaoverlapwiththetwoends0.5to1.0inchinlengthintheupperaftcorner.

Makesureyoupushthecordtightlyagainsttheframeatallpointsaroundthewindow.

Slowlyputtheaerodynamicsmootherintheclearancewithaflowgun. Applymoreoftheaerodynamicsmootherthanisnecessarysoyoucansmooththeedges.

NOTE: Youcanuseaspatulawhenyoucannotapplyitwithaflowgun.

Useyourfingerstomaketheaerodynamicsmootheracontinuoussurfacewiththeoutersurfaceoftheskinandwindow.

Removethetapefromtheedgesoftheclearance. Youcansmooththeaerodynamicsmootherattheedgesoftheclearancewithatool. Donotrubtheskinorwindow.

PuttheAir neBacktoitsUsualCondition

S868-008

ClosethesecircuitbreakersandremovetheDO-NOT-CLOSEtags:

P6MainPowerDistributionPanel

6B17WINDOWHEAT1R

6B34WINDOWHEAT1L

56-11-00

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6E28WINDOWHEAT2L&3RPWR

6E30WINDOWHEAT2R&3LPWR

P180DCPowerDistributionPanel

180H12WDOHEATCONT1R

180H26WDOHEATCONT1L

TASK56-11-00-308-009

RepairtheMoistureSealfortheNo.1Window(Fig.802)

StandardToolsandEquipment

SpatulaorFlowGun

DuckBillNozzle-SemcoNo.8643

ConsumableMaterials

G00033Cheesecloth-Woven,Surewipe,cleanandlint-

B00185Alcohol-Isopropyl,TT-I-735

B00083Solvent-AliphaticNaphtha,TT-N-95

G00294Tape-Masking,PermacelNo.76

A00103Sealant-Polysulfide,PR1425,ProductsResearchandChemicalCorporation

A00908Sealant-ProSeal860,ClassB,forlowcurerate

A00247Sealant-Polysulfide,BMS5-95orProSeal860,ClassB

A00474Smoother-Aerodynamic,SiliconeSealant,DowCorningDC93-006

56-11-00

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WINDSHIELD

A

A

RAISEDSEAL

747-400

A

MAINTENANCEMANUAL

CRACK(EXAMPLE)

FILLETSEALAROUNDTHERAMP

FILLTHECRACKTOTHEEDGEOFTHERAMPANDMAKEACOVER

A

WIPERRAMP RAMP

SEE

0.16IN AX

WIPERRAMP

RING

A

0.12IN IN 3

WEATHERSEAL

0.15INCH

A-A

1.10INCHES

1.00

(EXAMPLE4SIDES)

1

SHARPEDGE

0.25INCHRADIUS

SHARPEDGE

(ROTATED)

CONTOUREDDUCK-BILLNOZZLE

0.10INCH

RADIUS(EXAMPLE)

1.2INCHES

1.0

0.6

0.5INCH

0.120INCH

0.080

3

1/8INCH

APPROXIMA Y

RING

SEAL

STIC

CHISEL

GLASS

2

A-A(ROTATED)

1

2

3

TRIPLEXWINDSHIELDPPGWINDSHIELD

ANEWLAYEROFPR1425,PROSEAL860CLASSB,ORBMS5-95

MoistureSealRepairFigure802(Sheet1)

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MAINTENANCEMANUAL

PR1425B-2

PR1422B-2

BMS5-26B-2

(PRO-SEAL890B-2)MINIMUMDRYLINE(PROSEAL860BB-2)(BMS5-95B-2)

1

MINIMUMDRYING

TEMPERATURE

6

UMDRYING

TEMPERATURE

5

PR1425B-1/2

PR1422B-1/2

BMS5-26B-1/2

(PRO-SEAL890B-1/2)MINIMUMDRYLINE(PROSEAL860B-1/2)(BMS5-95B-1/2)

4

50.0

40.0

30.0

20.0

DRYTIMEINHOURSTOREXA30

10.0

9.0

8.0

7.0

6.0

5.0

4.0

3.0

2.0

1.0

0.9

0.8

0.7

0.6

0.5

0.4

50

60 70

80 90

100

110

120

130

140

TEMPERATUREIN`F

4

5

6

FORSHOPHANDLINGANDFLYAWAYDONOTDRYSEALANTABOVE140`FDONOTDRYSEALANTBELOW50`F

MoistureSealRepairFigure802(Sheet2)

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MAINTENANCEMANUAL

PreparefortheRepairoftheMoistureSealS868-030

WARNING: OPENTHECIRCUITBREAKERSANDTURNOFFTHEWINDOWHEATSWITCHESBEFOREYOUDOWORKONTHEFLIGHTCOMPARTMENTWINDOWS. AFAILURETOOPENTHECIRCUITBREAKERSANDTURNOFFTHEWINDOWHEATSWITCHESCANCAUSEANELECTRICALSHOCKTOS.

PutthewindowheatswitchesintheOFFposition.

S868-011

OpenthesecircuitbreakersandattachDO-NOT-CLOSEtags:

P6MainPowerDistributionPanel

6B34WINDOWHEAT1L

6B17WINDOWHEAT1R

6E28WINDOWHEAT2L&3RPWR

6E30WINDOWHEAT2R&3LPWR

P180DCPowerDistributionPanel

180H12WDOHEATCONT1R

180H26WDOHEATCONT1L

S358-012

Dothesestepstomakeasealantremovaltool:

Cutastripofhardstic,0.75X6.0inch

Cutoneendtomakeachiseltypetool.

S398-013

Cutthecontourintheduck-billnozzle(Fig.802).

RepairtheDamagedMoistureSeal

S218-014

Examinethesealthatisonthewindshield.

S358-015

Removetheunwantedsealantwiththesealantremovaltool.

NOTE: Ifyouarenotsureofthesealant'squality,removeapproximay1/8inchofthesealantfromtheedge.

S358-016

Cutagroovebetweenthesealandframetoadepthoftheindextiponthecontouredsticsheet.

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MAINTENANCEMANUAL

S118-033

WARNING: BEVERYCAREFULWHENYOUUSEALIPHATICNAPHTHA. ALIPHATICNAPHTHAISFLBLE. IFYOUINCORRECTLYUSETHEALIPHATICNAPHTHA,INJURYORDAMAGECANOCCUR.

CAUTION: DONOTLETTHESOLVENTSTOUCH STICS,CONTROLCABLES,LUBRICATEDAREAS,DECALS,ORPAINTS. IFTHESOLVENTSTOUCHTHESEAREAS,DAMAGECANOCCUR.

Useacleancheesecloththatismoistwithaliphaticnaphthatocleanthesealandtheadjacentglasssurface.

S958-018

Applythetapeontheglassandthewindowframe.

S398-019

Useaflowgunwiththeduck-billnozzleorspatulatoapplyalayerofPR1425sealantontheseal. Applythesealantsmoothly.

NOTE: Proseal860classBorBMS5-95maybeusedinsteadofPR1425.

S398-020

FilltheclearancewiththesealantasshowninFigure802.

S358-034

Useaspatulatomakethesealantsmooth.

S958-021

Carefullyremovethetape.

S118-022

Useacheesecloththatismoistwithaliphaticnaphthatoremovetheunwantedsealantfromtheglassorwindowframe.

S398-023

Letthesealantdrybeforeyoutouchtheseal.

S218-024

Examinethesealforcracksonthetwosidesofthewiperramp.

S398-025

Ifthesealhascracks,putthesealant,PR1425,inthecracks.

S358-035

Useyourfingersthatarewetwithaliphaticnapthatomakethesealantsmooth.

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MAINTENANCEMANUAL

S948-036

Carefullyremovethetape.

S948-037

Useacheesecloththatismoistwithaliphaticnaphthatoremovetheunwantedsealantfromtheglassorwindowframe.

S398-026

Afterthesealantdries,cuttheedgeoftheringwithaknife.

S398-027

Putabeadofsiliconesealantaroundthewiperramp(Fig.802).

PuttheAirneBacktoitsUsualCondition

S868-028

ClosethesecircuitbreakersandremoveDO-NOT-CLOSEtags:

P6MainPowerDistributionPanel

6B17WINDOWHEAT1R

6B34WINDOWHEAT1L

6E28WINDOWHEAT2L&3RPWR

6E30WINDOWHEAT2R&3LPWR

P180DCPowerDistributionPanel

180H12WDOHEATCONT1R

180H26WDOHEATCONT1L

TASK56-11-00-308-038

RepairtheCushionSealfortheNo.1Window

General

Thecushionsealpreventstoomuchclamp-upduringtheassemblyandcancomeoutofitsinstalledpositionduringtheoperation.

Procedure

S358-029

CAUTION: BECAREFULWHENYOUCUTTHECUSHIONSEAL. IFYOUARENOTCAREFUL,DAMAGETOTHESURFACEOFTHEWINDSHIELDCANOCCUR.

Cutthepartofthecushionsealthatcomesoutifitisnecessarytomaketheinstallationlookbetter.

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747-400

MAINTENANCEMANUAL

1. G_e_n_e_r_a_l_

FLIGHTCOMPARTMENTNO.1WINDOW(WINDSHIELD)-

R_E_M_O_V_A_L_/_I_N_S_T_A_L_L_A_T_I_O_N_

Thisprocedurecontainstwotasks. ThefirsttaskistheremovaloftherightandleftNo.1windows. ThesecondtaskistheinstallationoftherightandleftNo.1windows.

ThisprocedurereferstotheNo.1windowasthewindshield.

TASK56-11-01-004-001

RemovetheWindshield(Fig.401)

SpecialToolsandEquipment

20HME65B07630,WindshieldHandlingSling

StandardToolsandEquipment

Craneequippedwith40-footboomandcapableoflifting500pounds

mechanicallift(capableofextendingtoaheightof35feet)oroverheadcranecapableoflifting500