MacDon MD #214957 A M155 M155E4 M205 AC Installation guide

M155,M155E4,M205Self‐PropelledWindrowers

AIRCONDITIONINGPOWERUPDATEKIT(MD#160639)

INSTALLATIONINSTRUCTIONS



214957 RevisionA Page1of9

TheAirConditioningPowerUpdatekit(MD#160639)shouldbeusedonMacDonM155,M155E4,andM205Self‐

PropelledWindrowers,modelyears2015–2019,tore‐routeairconditioning(A/C)controlpowerandimprove

reliability.

Alistofpartsincludedinthekitis

provided.

NOTE:KeepyourMacDonpublicationsup‐to‐date.Themostcurrentversionofthisinstructioncanbedownloaded

fromourDealer‐onlysite(https://portal.macdon.com)(loginrequired).

NOTE:ThisdocumentisavailableinEnglishonly.

InstallationTime

Installationtimeforthiskitisapproximately1hourand15minutes.

Conventions

Thefollowingconventionsareusedinthisdocument:

 Rightandleftaredeterminedfromtheoperator’sposition,facingforwardwiththewindrowerincab‐

forwardposition.

 Unlessotherwisenoted,usethestandardtorquevaluesprovidedinthewindroweroperator’smanual

andtechnicalmanual.



M155,M155E4,M205Self‐PropelledWindrowers

AIRCONDITIONINGPOWERUPDATEKIT(MD#160639)

INSTALLATIONINSTRUCTIONS



214957 RevisionA Page2of9

PartsList

Thiskitincludesthefollowingparts:



Ref

Part

Number

Description Quantity

1

NSS



FUSE–MAXI,40A,ORG 1

2

160638 HARNESS

–

A/CPOWERREWORK

1

3

NSS

 TUBE

–

HEATSHRINK,3/8X1¼

1

4

21763 FASTENER

–

CABLETIE,BLACK

6





Notsoldseparately.

M155,M155E4,M205Self‐PropelledWindrowers

AIRCONDITIONINGPOWERUPDATEKIT(MD#160639)

INSTALLATIONINSTRUCTIONS



214957 RevisionA Page3of9

InstallationInstructions

ToinstalltheAirConditioningPowerUpdatekit,followthesesteps:



WARNING

Toavoidbodilyinjuryordeathfromtheunexpectedstartupofthemachine,alwaysstoptheengineandremove

thekeyfromtheignitionbeforeleavingtheoperator’sseatforanyreason.

1. Stoptheengineandremovethekey.

2. Opentherightplatform.Forinstructions,refertothewindrower

operator’smanualortechnicalmanual.

3. Turnthebatterymaindisconnectswitch(A)tothe

POWEROFFposition.



4. Insidethecab,removethescrewsattachingtheright

headlinerswitchpaneltotheheadliner.Retain

screwsforreassembly.

5. Pulltherightheadlinerswitchpaneloffthe

headlinerand

letithangdown.



Figure1:BatteryMainDisconnectSwitch

Figure2:RightHeadlinerSwitchPanel

M155,M155E4,M205Self‐PropelledWindrowers

AIRCONDITIONINGPOWERUPDATEKIT(MD#160639)

INSTALLATIONINSTRUCTIONS



214957 RevisionA Page4of9

6. Outsidethecab,ontherightside,locatethefresh

airfilter.

7. Rotatelatch(A)andslidefiltertray(B)outofthe

housing.Retainforlaterreinstallation.



8. Removethecornerpostsealfromthebottomofthe

rightrear

cabpost.Retainforlaterreinstallation.

9. Insidetheairfiltercompartmentthereisaholeinto

thecabpost.Fromthishole,pullbackanyexcess

wiringfromthecabpostintotheairfilter

compartment.Thiswillmakeroutingthenewwire

easier.



 

Figure3:FreshAirFilter

Figure4:BottomofRightRearCabPost

M155,M155E4,M205Self‐PropelledWindrowers

AIRCONDITIONINGPOWERUPDATEKIT(MD#160639)

INSTALLATIONINSTRUCTIONS



214957 RevisionA Page5of9

10. Insidethecab,reachthroughtheopeninginthe

headlinerwheretherightheadlinerswitchpanel

was,andlocatetheholeatthetopoftherightrear

cabpost.

11. Pushastiffwire(A)orelectrician’sfishtapedown

throughthe

rightrearcabpostsothatoneend

remainsaccessiblethroughtheholeintheheadliner.



NOTE:Itiseasiertostartthestiffwireinthefar

cornerofthehole,goingovertoptheexistingwires.

Somesealantmaybeontopofthewiresandneed

tobe

removed;itcanbereplacedafterwards.

12. Locatetheendofthestiffwireatthebottomofthe

rightrearcabpost.Ifthewirehasnotprotrudedout

ofthepost,youmayneedtoreachintotheaccess

holeintheairfiltercompartmenttolocateit,

then

pushitoutthebottomofthecabpost.



13. Tapethefemaleterminalend(A)ofthenewA/C

powerreworkharness(MD#160638)tothebottom

endofstiffwire(B).

14. Frominsidethecab,gentlypullstiffwire(B)toroute

thenewwiring

harnessupthroughtherightrearcab

postintotheroof.Pullinenoughlengthtoroutethe

wiretotherightheadlinerswitchpanel,whichis

currentlyhangingdownfromtheopeninginthe

headliner.

15. Removethetapeattachingstiffwire(B)tothewiring

harness.



Figure6:ConnectingStiffWiretoNewHarness

Figure5:RoutingStiffWireThroughOpeninginHeadliner

M155,M155E4,M205Self‐PropelledWindrowers

AIRCONDITIONINGPOWERUPDATEKIT(MD#160639)

INSTALLATIONINSTRUCTIONS



214957 RevisionA Page6of9

16. Onthebackoftherightheadlinerswitchpanel,

disconnectconnectorP23fromthefanspeedswitch.

17. Usingasmallscrewdriver,removetheterminalof

wireRF51Efromopening(A)inthehousingof

connectorP23.



18. Insertthefemaleterminal

onthenewwiring

harness(A)intotheopenpositioninconnector

P23(B).Theterminalwillclipintothehousing.Doa

lightpulltesttoensuretheterminalisfullyseated.

19. InsulatetheexposedendofwireRF51E(C)with

electricaltapeortheheatshrinktubing

providedin

thiskit.Onceinsulated,tuckthewirebackintoits

loomortapeitbackagainsttheharness.

20. ReconnectP23totheblowerfanswitchanduseone

oftheincludedcableties(MD#21763)tosecurethe

newwiretotheexistingwiringharness.



 

Figure8:ElectricalConnectionsInsideCab

Figure7:ConnectorP23

M155,M155E4,M205Self‐PropelledWindrowers

AIRCONDITIONINGPOWERUPDATEKIT(MD#160639)

INSTALLATIONINSTRUCTIONS



214957 RevisionA Page7of9

21. Atthebottomoftherightrearcabpost,routethe

newharness(A)throughhole(B)intheframe.

Securethenewharnesstotheexistingoneswitha

cabletie(C)(MD#21763),butdonottightenityet.



22. Routethenewharness(A)alongwiththeexisting

roofharness(B)belowthecabtowardstheA/Cbox.

Looselysecuretheharnesswithfourcableties(C)

(MD#21763),spacedtopreventanydroopingor

saggingloops.DoNOTtightenthecabletiesyet.



 

Figure9:HarnessRoutingBelowRightRearCabPost

Figure10:HarnessRoutingBelowCab

M155,M155E4,M205Self‐PropelledWindrowers

AIRCONDITIONINGPOWERUPDATEKIT(MD#160639)

INSTALLATIONINSTRUCTIONS



214957 RevisionA Page8of9

23. Connecttheringterminalofthenewharness(A)to

thepositivestud(B)ontherearoftheA/Cbox.Place

thenewterminalundertheexistingterminalsothat

itgetscoveredbytheexistingboot(C).

24. Ifthereis

anyexcessharnessslackunderthecab,

pullitbackupintotheroof.Oncetheroutingis

complete,tightenthecabletiesthatwereappliedin

theprevioussteps,andtrimoffanyexcesscabletie

length.



25. Reinsertthecornerpostsealintothebottomofthe

rightrearcabpost.



26. Reinstallthefreshairfilterpan(A)andfilter.



Figure11:ElectricalConnectionsonRearSideofA/CBox

Figure13:ReinstallingAirFilterPanandFilter

Figure12:BottomofRightRearCabPost

M155,M155E4,M205Self‐PropelledWindrowers

AIRCONDITIONINGPOWERUPDATEKIT(MD#160639)

INSTALLATIONINSTRUCTIONS



214957 RevisionA Page9of9

27. Reinstalltherightcabswitchpanel.



28. Locatethefuseboxontherightsideofthe

windrower.

29. Removewingnut(A),andthenremovefusebox

cover(B).

30. ReplacefuseF1withthe40Afuseincludedwith

thiskit.



NOTE:Thedecalontheinsidecoverofthefusebox

willshowyouwheretofindfuseF1.

31. Reinstallfuseboxcover(B).



32. TurntheBATTERYMAINDISCONNECTswitch(A)to

thePOWERONposition.

33. Closetherightplatform.Forinstructions,referto

thewindroweroperator’s

manualortechnical

manual.

Figure16:BatteryMainDisconnectSwitch

Figure14:RightHeadlinerSwitchPanel

Figure15:FuseBox

MacDon MD #214957 A M155 M155E4 M205 AC Installation guide

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