Colt Mk Iv Series 80, 90 Pistols Instructions Manual

							
Remember:
A=GovernmentModel,DeltaElite,
CombatElite,CombatTarget,
CommanderModelsandM1991A1
modelsotherthanthoselistedasBorC.
B
=OfficersACPandCompact.
C
=
ColtDefender.
1.(A&B)Withslideupsidedownand
barrellinkforward,assemblebarrelinto
theslide,asinFigure10.
2.(Aonly)(SeeFigure12).Placebarrel
bushingovermuzzleofbarrelandinto
slideuntilitisflushwiththefaceofthe
slide,(STEP1).Turnbushingclockwise
asfarasitwillgo,(Step2).
3.(A&B)Placetherecoilguideintothe
recoilspring/ssothattheclosedendof
thespring/sareupagainstthecollarof
theguide.
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2
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FIGURE12-INSTALLINGBARREL
BUSHINGANDRECOILSPRING/S.
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Note:OfficersACP,CompactandDeltaElitehavetwo(2)recoilsprings-most
otherColtpistolshaveonlyone.
Assembletherecoilspring/sandguideintotheslidebypushingtheopenend
ofthespring/sthroughtheslidefromtherear,(STEP3).Positionthearched
portionoftherecoilspringguideovertheoutsidesurfaceofthebarrel,(Step4).
3.(Conly)Flipbarrellinkback.Insertrecoilspringbushingintoslide.Insert
therecoilspringassemblyintotheclosedendoftheouterrecoilspringand
slidetheouterspringdownthelengthoftherecoilspringassembly.Insertthe
wholeassemblyintotherecoilspringbushing.Pushforwardanddownagainst
therecoilspringandseatthemintotherecoilbushinguntilthecapoftherecoil
springassemblyislocatedagainstthefrontofthebarrellug.Becarefulnotto
letthemflyoutofcontrol;SeeFigure13.
NOTE:ColtDefendersaredifferentinsomeways.(ItisillustratedatFigure
19).Forexampleanumberofitemsarecombinedintoarecoilspringassembly.
Thereisonespringcapturedontheguiderod.Aremovableouterspringslides
overtheassembly.Thereisnobarrelbushingandthemagazinefolloweris
slightlydifferent;thesightsarenotillustrated.Otherdiffrencescanbeseenin
thegripsafety,safetylock,gripandthreeholetrigger.
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~
~~~~\J2~ECOIL
SPRING
ASSY.

~)
~LOSED(FLAT)ENOOFSPRING
OUTERRECOILSPRING
FIGURE13-COLTDEFENDERASSEMBLY
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4.(A,B&C)Cockthehammer.
Lookatthetopofthereceiverand
makesuretheplungerleverisdown
(forward),tipthereceiverforwardto
keepitdownasyouruntheslide
ontothereceiver;(SeeFigure14).
Lookthroughtheslidestopholein
thesideofthereceiver.Movethe
slidealongthereceiveruntilyou
seetheholeinthebarrellinklineup
withtheholeinthesideofthe
receiver.Inserttheslidestop
throughtheholeuntilitisalmost
home;(SeeFigure15).
Continuepushingthesliderearward
untilthedisassemblynotchlinesup
withtherearpartoftheslidestop.
Nowpushtheslidestopupandin
againsttheslidestopplungeruntil
theslidestopisfullyhome.
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FIGURE14-INSTALLINGSLIDE
FIGURE15-INSTALLINGSLIDESTOP
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5.(A&B)Restpistolontableorbenchwithmuzzlepointingupward.
6.(Aonly)Pushslidebackabout%inch,pressdownonrecoilspringplug,
compressingtherecoilspringintotheslideuntiltheplugisfullyhome,then
rotatethebarrelbushing.Alignthearchedpartofthebushingsothatit
straddlestherecoilspringplugandlocksitinplace.
6.(Bonly)Placerecoilspringplugoverendofrecoilsprings.Alignlugonrecoil
springplugwithaccessslotinslideandpushtheplugintotheslideusinga
screwdriver.Nowturntheplug%turnuntilthelugonthepluglocksintothe
lockingslotonthebottomoftheslide.
Installthebarrelbushingovertherecoilspringplugandintotheslide.Press
downontherecoilspringplugandatthesametimerotatethebarrelbushing
clockwiseabouta%turntolockitovertheplug,(SeeFigure7,page34).
Finally,whilethepistolisstillempty(unloaded),checkthattherecoilspringplug
iscorrectlyseatedandlocked.Todoso,(SeeFigure8,page36)notethatthe
recoilspringplugmustbeflushwith,orprotrudingonlyslightlybeyond,theface
ofthebarrelbushingwhenthescrewdriverslotisvertical.
Doublecheckbylookingatthebottomoftheslide,justinfrontofthereceiver,
toensurethelugontherecoilspringplugisfullyseatedinitsslotontheslide.
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&CAUTION:YOUCOULDDAMAGEYOURPISTOLWHENYOUFIRE,ORAT-
TEMPTTOFIREIFTHERECOILSPRINGPLUGISNOTCORRECTLYSEATED
ANDLOCKEDASDESCRIBEDABOVE.
7.(A,B&C)Afterassemblingthepistol,checkitsfunctionasfollows:
RemoveMagazine.Pulltheslidebackfullyandletitgo.Itshouldflyforward
andcloseovertheemptychamber.Thehammershouldstaycocked.Pushthe
safetyupandsqueezethetrigger.Thehammershouldstaycocked.Pushthe
safetydownandsqueezethetrigger.Thehammershouldfall.Pullthehammer
backslightlywithouttouchingthetrigger.Youshouldhearaclickasthesear
slipsontothesafetyshelf.Lowerthehammertoengagethesafetyshelf.Now
squeezethetriggeragainandnotethatthehammerfallsforwardoffthesafety
shelf.
Insertanemptymagazine.Pulltheslidebackfullyandletitgo.ItshouldNOT
flyforward.Lookintotheejectionportatthefrontfaceoftheslide.Makesure
thefiringpinisnotstickingthroughthehole.*Holdtheslide,pushdownonthe
slidestopandeasetheslidefullyforward.Putyourthumbonthehammer,
squeezethetriggerandeasethehammerforward.
*
Ifyoufindthefiringpinstickingforwardorifyourpistoldischargeswhen
youclosetheslide,donotuseit.ReturnittotheColtfactory.
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IMPORTANT:Dothesechecksonlyafteryoustripandassemblethepistol.Do
notslamtheslideforwardatanyothertime,exceptwhenloading.Ifyou
fA
exercisetheslide,controlitwithyourhand.
iliCAUTION:WHILEUNLIKELY,ITISPOSSIBLETHEFIRINGPINMAYSTICK
FORWARD.IFYOUFINDITSTICKINGFORWARD,DONOTLOADORAT-
TEMPTTOFIRETHEPISTOL.Ifyouattempttoclosetheslideonaloaded
chamberwhenthefiringpinisstickingforward,thepistolmaydischarge.
WHENTOCLEAN
Youshouldcleanyourpistolassoonafterfiringaspossiblesothatthejobwill
beeasierandtherewillbelessopportunityforcorrosiontostart.Whenyour
pistolhasnotbeenfired,cleanitperiodically;wesuggestonceortwiceayear
inatemperateclimate,orasoftenasonceamonthinatropicalclimate.Ifyou
carryaloadedpistol,UNLOADitandcleanitatleastonceamonth.Ifyouget
yourpistolwet,cleanitassoonaspossible.
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Thefollowingcleaningproceduremaybeusedbothperiodicallyandafterfiring;
however,thoseitemsmarked*,,areunnecessaryforperiodiccleaning.
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Materials:Cleaningrod,cottonflannelpatches(cuttofitsnuglyintothebore),
asmalltoothbrush,goodqualitylightgunoil,*guncleaningsolution,and*a
brasswirebristleborecleaningbrush.
NOTE:Infreezingconditions(below32°ForO°C)avoidtheuseofoilfor
lubrication;insteadapplydrylubricantsparingly.
AI
Procedure
I
ili1.CAUTION:ENSURETHATTHEPISTOLISNOTLOADED.
2.Stripforcleaningaspreviouslydescribed.
NOTE:Avoidcontactbetweencleaningrodandmuzzleasresultantwearwill
reduceaccuracy.Toavoiddamagingthemuzzlealwayscleanfrombreechend
forward.
3.Attachcottonflannelpatchtoendofcleaningrod,insertitinbreechandpass
rodandpatchdownthroughbarrel.Repeat,changingpatchesuntillastpatch
comesoutclean.
4.Visuallyinspectbarrel;ifitisclean,proceeddirectlytostep7,butifit
remainsdirty,continuewithstep5.
5.*(NOTE:Thisitemshouldbeapplicableonlyafterfiring).Attachbrasswire
bristlebrushtocleaningrodanddipbrushinguncleaningsolution.Thoroughly
scruboutbarrel,passingthebrushallthewaythroughbeforereversingthe
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movement.Ifyoutrytochangedirectionwithbrushinbarrel,thebrush
willstick.
6.Repeatsteps3and4.
7.Cleanrearfaceofbarrelandfaceofslide,usingasmalltoothbrush.On
OfficersACPmodels,alsocleanthelugonrecoilspringpluganditslocating
slotinlowerpartofthereceiver.(SeeFigure8).
8.Lightlymoistenaflannelpatchwithgunoilandpassitoncethroughbarrel,
leavingathinfilmofoilontheinsidesurface.Leavethisfilmofoilontheinside
surfaceifpistolistobestored.Ifitisnottobestored,orifitisbeingremoved
fromstorageforuse,passadrypatchthroughthebarreltoremoveasmuchoil
aspossible.
9.Checkthatflannelorbrushbristleshavenotbecomelodgedinanypartof
thepistol.Wipeallthemetalsurfacesyoucanreachwithaflannelpatchlightly
moistenedwithgunoil.Besuretowipetherailsinsidetheslideandtherailson
thereceiver.Wipethebarrelontheoutsidesurface.Wipethebarrelbushing
area.Putonesmalldropofoilineachofthelockinggroovesintheslide.Put
onesmalldropofoilonthehammerpivotpin,thebarrellinkpinandthesear
pivotpin.Movementoftheslideshoulddistributesufficientoiltootherareas
withinthepistol.Wipeawayanyexcessoil.(SeeNOTEoncoldweather
lubrication).
10.Reassemblepistolaspreviouslydescribed.
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11.Againwipeexternalsurfaceswithoilmoistenedpatchtoremoveanyfinger
prints.(Fingermoisture,ifleft,couldstartcorrosionprocess).(SeeNOTEon
coldweatherlubrication).
12.Removeanyguncleaningsolutionandoilfromthestock.
Itisadvisabletocleanthemagazine(s)wheneverthepistoliscleaned.Todo
so,removethemagazinefollowerandspringandcleanallcomponents,taking
caretoremovecarbondepositsfromthelipsofthemagazineandthemagazine
follower.Wipecomponentswithlightlyoiledclothandreassemble.
The10mmand40S&Wmagazinesaredisassembledfromthebottomwhile
magazinesformostothercalibersaredisassembledfromthetop.
110mmand40S&WCaliberMagazinesI(SeeFigure16)
The10mmand40S&Wmagazineshavearemovablebase.
Toremovethebase,pushinthebaselockwhichsticksoutthroughaholein
thebase,andslidethebaseofftowardsthefrontofthemagazine.Then
removethebaselockbyslidingittowardsthefrontofthemagazine.
Thespringandfollowercannowberemovedthroughthebottomofthe
magazine.
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