Husqvarna 154 254 Chainsaw Service Repair Manual
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Workshop
manual
chain saw model
101 88 12-96
154/254
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
Husqvarna 154/254
1.
29
39
4.
5.
6 ■
7.
8.
9.
10.
11 ■
12.
Technical specification. Dates tecnicos.
TechnischeDaten. Tekniska data.
Caracteristiquestechniques. . —2
Service data. Dates de servicio.
Servicedaten. Servicedata.
Conseilsde service. 4
Service tools. Herramientasde servicio.
Servicewerkzeuge. Serviceverktyg.
Outillage.
8
Safety equipment.
Sicherheitsausriistung.
Equipment de securite.
Starter device.
Startvorrichtung.
Lanceur.
Electric system.
ElektrischeAn/age.
Circuit electrique. —
Centrifugalclutch.
Zentrifugalkupplung.
Embrayagecentrifuge. -
Equipo de seguridad.
Sakerhetsutrustning.
Aparato de arranque.
Startapparat.
Sistema electrico.
Elsystem.
Embrague centrifuge.
Centrifugalkoppling.
11
19
25
35
Lubricationsystem, Oil pump. Sistema de Iubricacion,Bomba de aceite.
Schmiervorrichtung,~lpumpe. Smorjsystem,Oljepump.
Graissage, Pompe a huile. 39
AV-system. Sistema amortiguador de vibraciones.
Abvibriersystem. Awibreringssystem.
Dispositifantivibrations. 45
Fuel system. Sistema de combustible.
Krafistoffanlage
Branslesystem.
Circuit d’alimentation.
47
Cylinder, Piston. Cilindro,piston.
Zylinder, Kolben. Cylinder, kolv.
Cylindre,piston.
65
Crankcase, Crankshaft. Catfer, cigiiefial.
Kurbelgehause,Kurbelwelle. Vevhus,vevaxel.
Carter moteur, vilebrequin.
71
@HusqvarnaForest&Garden1987
1
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
1.Technicalspecification.
1.TechnischeDaten. 1.Caracteristiquestechniques.
1. Datestecnicos. 1. Tekniskadata.
Ignition system. Zundanlage.
Allumage. Sistema de encendido. Tandsystem.
.&~%
8
s
g>
8
Noloadfreespeed
H6chstdrehzahl
R6gime maximum
R6gimenmaximo
Max.rusvarvtal
rlmin
rpm
Handle heating
Griffheizung
Chauffage poignees
Calefaccionen
mango
Handtagsvarme
Watt/rpm
85
10.000
4
Sparkplug
Ztindkerze
Bougie
Bujia
Tandstift
Electrode gap
Elektrodenabstand
Ecartement
electrodes
Separationentre
electrodes
Elektrodavst~nd
Bosch mm
Champion inch
WS 7 F 0,5
RCJ 7 Y .020
Ignition system
Zfindanlage
Systemed’allumage
Sistemadeencen-
dido
Tandsystem
EM
Airgap
Luftspa/t
Ecartement
Separation
Luftgap
mm
inch
Bar and chain. Schiene und Kette. Weight. Gewicht.
Guide-chaine et chaine. Espada y cadena. Poids. Peso.
Svard och kedja. Vikt.
Barlength
Schienenlange
Longueur du
guide-chaine
Longituddela
espada
Svardslangd
cm
inch
33-48
13~’- 18”
Chainspeed
Kettenge-
schwindigkeit
Vitesse delachalne
Velocidaddela
cadena
Kedjehastighet
mlsek
m/see
18,5
9000 r/rein
(7t)
Chainpitch Drive linkgauge
Kettentei/ung Treibglieder
Pasdelachaine Jaugedelachahe
Pasodelacadena Eslabones
Kedjedelning Drivlank
turn
mm
inch
inch
0.325 1,5
.058
Weight
Gewicht
Poids
Peso
Vikt
kg
Ibs
5,3
11.7
0,3
.012
b
B
1,.
J
AL
Weight withguide
barandchain
Gewichteinschl.
SchieneundKette
Poidsavecguide-
chalnetchaine
Pesoinclusive
espadaycadena
Viktmedsvard
ochkedja
kg
Ibs
6,2
13.7
3
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
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2 . ServiceData.
2.Servicedaten.2.Couplesdeservage,graissage,etanch6it6.
2. Datesde servicio. 2. Sewicedata.
?2:;-3) ‘~
●
0,8–1,0 (0.6–0.7)
●
4–5
(3–3.7)
4?9. \
1,5–2,0
(1.1–1.5)
30–40 (22.1–29.5)
lo–l 1
Tighteningtorques etc. Nm (ftlb)
AnziehmomenteU.S.w. Nm (fflb)
Couples de serrage, etc. Nm (ftlb)
Pares deapriete, etc. Nm (ftlb)
~tdragningsmoment etc. Nm (ftlb)
A= Two-stroke oil. ZweitaktoL Huile deux-temps.
Aceite de dos tiempos. Tvi!itaktsolja.
● = Grease. Fett. Graisse.
Grasa. Fett.
d
/’”
/
\
\ T;
20 (14.8)
8–10 (5.9–7.4)
● I
3
2–3’
(1.5–2.2)
p
,,
●
4
4
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
2–2,5 (1.5–1.8)
>
*L
‘..
//
,“
‘\-
/
/.
y/ ~e
d
4
[
“ .4
w-
A
-G
4–5 (3–3.7)
w
~
0
.9–7.
1,5-
(l.l-
1
4-
4)
-2,0
1 .5)
-5’(3–3.7)
—. (17.7–21.4)
fti
0,8–1,0
(0.6–0.7
@’
.
‘%
1
\
‘)—
I
,5
.8)
(3–3.7)
Lo 2–3 ““5-2”2) ?2~$–3)
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
Leakagetest
Crankcase/cylinder
Recommendedpressure:
80 kPa
0,8 kp/cm2
Servicetools:
5025038-01 Pressuregauge
Maximumleakage:
20 kPa/30sec.
0,2kp/cm2/30sec.
5025072-01 Coverplate,intake
5025048-01 Coverplate,exhaust
5025045-01 Sleeves,2pieces
Dichtheitspriiibng
Kurbelgehause/Zylinder
EmpfohlenerDruck: Max. Undichtheit:
80kPa
20kPaA30Sek.
0,8kp/cm2
0,2kp/cm2/30Sek.
Servicewerkzeuge:
5025038-01 Druckpriifer
5025072-01 Dichtplatte, Einsaugoffnung
5025048-01 Dichtplatte, Auslassoffnung
5025045-01 Abstandshtilsen, 2Stiick
Essaid’etancheite
Carter moteur/cylindre
Pressionrecommandee: Fuitemaximum:
80 kPa 20 kPa/30sec.
0,8 kp/cm2 0,2kp/cm2/30sec.
Outillagerequis:
5025038-01 Contr61eurdepression
5025072-01 Plaqued’etancheite, admission
5025048-01 Plaqued’etancheite, echappement
5025045-01 2 entretoises
Pruebadeestanqueidad
Catfer/cilindro
Presionrecomendada: Fugamaxima:
80kPa
20kPa/30seg.
0,8kp/cm2 0,2kp/cm2/30seg.
Herramientasdesewicio:
5025038-01 Probadordepresion
5025072-01 Placadecubierta,admision
5025048-01 Placadecubierta,escape
5025045-01 Dosmanquitosdistanciadores
Tathetsprovning
Vevhus/cylinder
Rekommenderat tryck: MaxIackage:
80 kPa 20 kPa/30sek.
0,8 kp/cm2 0,2kp/cm2/30sek.
Serviceverktyg:
5025038-01 Tryckprovare
5025072-01 Tackplatta,insug
5025048-01 Tackplatta,avgas
5025045-01 Distanshylsor, 2 st
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
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2
Leakagetest
Carburetor
Recommendedpressure: Maximumleakage:
50 kPa Noleakagepermitted
0,5 kp/cm2
Servicetool:
5025038-01 Pressuregauge
DichtheitsprWkmg
Vergaser
EmpfohlenerDruck: Max. Undichtheit:
50kPa EsdarfkeineUndicht-
heitauftreten
0,5kp/cm2
Servicewerkzeug:
5025038-01 Druckpriifer
Essaid’etancheite
Carburateur
Pressionrecommandee: Fuitemaximum:
50 kPa Aucunefuitepermise
0,5 kp/cm2
Outillage:
5025038-01 Contr61eurdepression
Pruebadeestanqueidad
Carburador
Presionrecomendada: Fugamiixima:
50kPa Ninguna fugapermitida
0,5kp/cm2
Herramientadeservicio:
5025038-01 Probadordepresion
Tathetsprovning
Forgasare
Rekommenderat tryck: MaxIackage:
50 kPa IngetIackagetill&et
0,5 kp/cm2
Serviceverktyg:
5025038-01 Tryckprovare
7
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
3
5025018-014 mm
5025019-013 mm
5049090-01
5025033-01
(
5025083-01
50
Q
e
5025079-01
0
+qi$>
.
5025134-02
5025022-018 mm
5025154-01
5025072-01~ &502,-o,
Q
5025048-01 <
\?
5025045-01
NJ
c
H4
.?’
5025 45-01
#
502
/
71 13-01
5025030-10
5025038-01 (compl).
i
/
,
\
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
3. Servicetools.
3. Servicewerkzeuge.3. Outillagem
3. Herramientasde servicio. 3.Serviceverktyg.
5025018-01
5025019-01
5025022-01
5025026-01
5025030-10
5025033-01
5025038-01
5025045-01
5025048-01
5025072-01
5025078-01
5025079-01
5025083-01
5025099-01
5025134-02
5025145-01
5025149-01
5025154-01
5025161-01
5049090-01
5027113-01
5027114-01
5025006-01
5025070-01
5025102-01
Allenkey4mm. lnnensechkantschlikseL 4mm.
Clem51e4mm. L/avehexagona~4mm. lnsexnycke14mm
Allenkey3mm. /nnensechskantsch/iisse/j3mm.
Clem~le3 mm. L/avehexagona/,3mm. lnsexnycke13 mm.
Socketspanner8mm. Hti/sensch/tisse/, 8mm.
Cleadouille8 mm. Uavedemanguito,8n7rn. Hylsnyckel 8 mm.
Puller. Abzieher.
Extracteur.Extractor. Avdragare.
Fittingtoolforcrankshaft. Montagewerkzeug, Kurbe/we//e.
Outildemontageduvilebrequin. /-/erramientadernontaje, cigiiefial Monteringsverktyg, vevaxel.
Pistonstop. Ko/benansch/ag.
Calepourpiston. Topedepist&r. Kolvstopp.
Pressuregauge. Druckprtifer.
Contr61eurdepression. Probadordepresidn.Tryckprovare.
Distancesleeve,coverplates. Abstandshii/sen, Dichungsscheiben.
Entretoise, rondellesd’etancheite. Manguitodistanciador, arande/asdeestanqueidad.
Distanshylsa, tatbrickor.
Coverplate,exhaust. Dichtp/atte, Aus/assoffnung.
Plaqued’etancheite, echappement.Arande/adeestanqueidad, escape. Tackbricka,avgas.
Coverplate,inlet. Dichtp/atte, Einsaugdr%umg.
Plaqued’etancheite, admission. Arande/adeestanqueidad, admision. Tackbricka,insug.
Pullerforsealing rings. Abziehvorrichtung, Dichtring.
Extracteurdebagued’etancheite.Extractordeani//osdeestanqueidad. Tatringsutdragare.
Driftforsealingring. DornfiirDichtring.
Mandrinpourbagued’etancheite. Mandri/paraani//odeestanqueidad. Dornfortatring.
Hookfortankfilter. HakenftirTank/et.
Crochetpourcrepinelestee.Ganchoparasondadeposito. Krokfortanklod
Puller,oilpumpgear. Abziehhti/se, ~/pumpenantrieb.
Mandrind’extractiondupignondepompeahuile. Manguitoextractor, piiionbombadeaceite.
Avdragarhylsa, oljepumpsdrev.
Airgapgauge. Fiihllehre,Luftspalt.
Jauged’epaisseur pourecartement. Ga/gaparaseparacion entree/ectrodos. Bladm&t,Iuftgap.
Clutchtool. Sch/tisse/, Kupp/ung.
Clepourembrayage. L/ave,embrague. Nyckel,koppling.
Holdingbar,flywheelpuller. Ha/teeisen, Schwungradabzieher.
Outildemaintienpourextracteurdevolant. Herraje,extracforde/vo/ante.
H?Njarn, svanghjulsavdragare.
Screwset. Schrauben, Halteeisen.
Visd’outildemaintien. Torni//osde/herrajextractor.Skruvar,hi%ljarn.
Pullerforengineblock. Werkzeugfih_die DemontagevonKurbe/gehauseundKurbe/we//e.
Outilpourdemontageducartermoteuretduvilebrequin.
Herramientadedesmontaje,c&ter,cigiier7a/. Demonteringsverktyg, vevhus,vevaxel.
Pullerballbearing. Kuge//agerabzieher.
Extracteurderoulement. Extractor, rodamientodebo/as. Avdragare, kullager.
Testplug. Teststifl.
Bougied’essai.Bujiadeprueba. Teststift.
Tachometer. Drehzah/messer.
Compte-tours. Cuentarrevo/uciones. Varvraknare.
AssemblingplierforH-Tlead. Zange,Ztindkabe/.
Pincepourfildebougie. A/icates,cab/edeencendido.T~ng, tandkabel.
Ringcompressors, piston. Ko/benmontagesatz.
Kitdemontagedesegments. Juegoarosdecompresi6nparae/pist6n.
Kolvringskompressionssats.
Clampingdevice. Montagespannvorrichtung.
Fixationpourmontage. Dispositivodemontaje. Monteringsfixtur.
9
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
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4. Equipment de securite.
4. Sakerhetsutrustning.
@ Chainbrake
Disassembly
Removethechainbrakeandcleanfromsawdustanddirt.
Activatethebrake.
@ Kettenbmmse
Demontage
Kettenbremseabmontieren undvonSchmutzreinigen.
Bremseausldsen.
@ Freindecha~ne
Demontage
DemonteretnettoyerIefreindechalne.
Declencher Iefrein.
@ Fkenodecadena
Desmontaje
Desmontarelfrenodecadenaylimpiarlodesuciedad.
Accionarelfreno.
@ Kedjebroms
Demontering
Demonterakedjebromsenochrengorfr%smuts.
Utlosbromsen.
@UntightenthescrewtothehandguardcOmPletely.
Thentightenthescrewapprox.2turns.Pressoutthepivot
sleevebytappingonthescrew.
@ DieSctrraube,diedieLagerzapfendesHandschutzeshalt,
ganzltisenunddanachea.2 Umdrehungenhineindrehen.
LagerzapfenmitderSchraubeherausdrticken.
@ Devissercompletementlavisdupalierdel’arceaupro-
tecteur.Larevissersur environ2tours.Extraire Iepalier
ens’aidantdeIavis.
@ Desenroscartotalmentee/tornillodelcojinefedelarCO
protector.Enroscarlodespuesunas2vuletas. Extraerel
cojineteconlaayudadeltornillo.
@Skruvautskruventill kastskyddetslagring helt.
Skruvadarefterindenca.2varv.DrivutIagringenmed
hjalpavskruven.
@ Useadrifttopressouttheotherhalfofthepivotsleeve.
Removethehandguard.
@DenanderenLagerzap fenmiteinemDOrna”streiben.
Handschutzabnehmen.
@Extrairel'autremoitiedu palier2il'aided'unmandrin.
DeposerI’arceauprotecteur.
@ Extraerlaotramitaddelcojinetecon”nmandri/.
Quitarelarcoprotector.
@Drivutandralagringshalvanmedhj~lPavdorn.
Lyftbortkastskyddet.
11
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
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Lifetime Access
Fast Download Speeds
Online & Offline Access
Access PDF Contents & Bookmarks
Full Search Facility
Print one or all pages of your manual
$27.99
$36.99
The Husqvarna 154 254 Chainsaw Service Repair Manual provides comprehensive coverage of the following:
- Technical specification
- Service data
- Service tools
- Safety equipment
- Starter device
- Electric system
- Centrifugal clutch
- Lubrication system, oil pump
- AV-system
- Fuel system
- Cylinder, piston
- Crankcase, crankshaft
This manual is an invaluable resource for both professional mechanics and DIY enthusiasts. It is available in PDF format, compatible with all versions of Windows and Mac, and can be viewed using Adobe Reader. The instant accessibility of this manual saves on postage and packaging costs, and all pages are printable for ease of use.
