Husqvarna 23 LC Instruction manual

23/26/32 LC/L
531 03 00-75
Workshop Manual
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com

HUSFOREST&GARDEN
Effective May 1, 1992
WARRANTY STATEMENT
SECTION1:
LIMITEDWARRANTY
SECTION2:
HUSQVARNA’SOLIGATIONS
UNDERTHEWARRANTY
SECTION3:
ITEMSNOTCOVERED
BYTHISWARRANTY
SECTION5:
CUSTOMERRESPONSIBILITIES
SECTION6:
PROCEDURETOOBTAIN
WARRANTYCONSIDERATION
530-0683-912-04/21/92
HUSQVARNAFOREST& GARDENCOMPANY
9006J PERIMETERWOODS DRIVE .CHARLOTTE216
Husqvarna Forest &Garden Company (“Husqvarna”) warrants Husqvarna product to the original
purchasertobefreefromdefectivematerialandworkmanshipfromthedateofpurchasefortheWarranty Period”herestateddependentuponthe typeof productiveWarrantyperiodasfollowsfor productslisted:
5YEARWARRANTY: Plasticwalkbehindmowerdecksfor noncommercial,noninstitutionalor
nonincomeproducinguse.
2YEARWARRANTY: Ridinglawnmowers,yardandgardentractors,walkbehind mowers,tillersand
attachmentsfor noncommercial,noninstitutionalor nonincomeproducing use.Ignitionsystemsonthe
chainsaws,cleaningsawsand trimmers,
1YEARWARRANTY:Chainsaws,clearingsaws,trimmers,blowersandbatteriesfor
noncommercial,noninstitutionalor nonincomeproducinguse,
90 DAYWARRANTY:@ Husqvarnaproductusedfor rental,commercial,professional,or income
producinguse.
30 DAYWARRANTY: Husqvarnaprofessionalbowbars,
30 DAY REPLACEMENTPARTWARRANTY: Unlessotherwisestated,replacementpartsare
warrantedfor30daysfromdate of purchase.
Husqvarnawill remedydefectsinmaterialandworkmanshipduringthewarrantyperiodbyrepairingor
replacing,at Husqvarna’soption,thedefectivecomponentwithoutchargefor partsor labor,
Thefollowing itemsare notcoveredbythiswarranty:
(1)
(2)
(3)
(4)
(5)
(6)
Normalcustomermaintenanceitems(i.e.,belts,bladeadapters,bulbs,filters,guide bars,
lubricants,rewindsprings,sawchain,sparkplugs,starier ropesand tines).
Normalwear, normaladjustment,standardhardwareor itemsworn through regularuse.
Naturaldiscolorationof materialdueto ultravioletlight.
Thereplacementor maintenanceofworn items.
Briggs&Stratton,Kawasakiand Kohlerengines,includingstarters,generators,alternatorsand
accessories.Theseitemsarecoveredbytheenginemanufacturer’swarrantyas statedwiththe
productinformationsuppliedatthetimeof purchase,All claimsforspecifiedengines,starters,
generators,alternatorsand accessoriesshouldbesenttotheappropriatemanufacturer.
Agri-Fab,Foote,andTecumseh-Peerlessdrive systems.Theseitemsarecoveredbythe drive
systemmanufacturer’swarrantyasstatedwiththeproductinformationsuppliedatthetime of
purchase.All claimsfor specifieddrivesystemsshould besenttothe appropriatemanufacturer.
Thiswarrantyshallbe inapplicabletodefectsresultingfromthefollowing:
(1)
(2)
(3)
(4)
(5)
Accident,abuse,misuse,negligenceand neglect,includingstalefuel,dirtabrasives, moisture,
rust,corrosionor anyadversereactionduetoincorrectstoragehabits.
Failureto operateor maintainthe unitin accordancewiththeOwner’s/Operator’smanualor
instructionsheetfurnishedbyHusqvarna,
Alterationsor modificationsthataffectthe unitsperformance,operation,safety,durability,
changeitsintendeduse,or causefailureof compliancewithcurrentregulatorystandards
or applicablefederal,stateor locallaws.
UseofpartsoraccessorieswhicharenotrecommendedbyHusqvarnaForest&GardenCompany.
Additionaldamageto partsorcomponentsdueto continueduseoccurringafteranyofthe above.
REPAIROR REPLACEMENTASPROVIDEDUNDERTHIS WARRANTYISTHEEXCLUSIVE
REMEDYOFTHECONSUMER.HUSQVARNASHALL NOTBELIABLEFORANY INCIDENTAL
ORCONSEQUENTIALDAMAGESFORBREACHOFANYEXPRESSER IMPLIEDWARRANTY
ONTHESEPRODUCTSEXCEPTTOTHEEXTENTPROHIBITEDBYAPPLICABLELAW.ANY
IMPLIEDWARRANTYOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE
ON THESEPRODUCTSISLIMITEDINDURATIONTOTHEWARRANTYPERIODASDEFINED
INTHELIMITEDWARRANTYSTATEMENT. HUSQVARNARESERVESTHE RIGHTTOCHANGE ORIMPROVETHEDESIGNOFTHEPRODUCTWITHOUTNOTICE,ANDDOESNOTASSUME
OBLIGATIONTO UPDATEPREVIOUSLYMANUFACTUREDPRODUCTS.
Somestatesdonotallowtheexclusion ofincidentalorconsequentialdamages, orlimitationson howlong
animpliedwarrantylasts,sotheabovelimitationsor exclusionsmaynotapplytoyou.Thiswarrantygives
youspecificlegalrights,and you mayalso haveother rightswhichvaryfromstateto state.
Thecustomermustexhibitreasonablecare,maintenance,operations,storageandgeneralupkeepas
writteninthe maintenancesectionof the Owner’s/Operator’smanual.Should an operational problemor
failure occurthe productshould notbe used,butdeliveredas is to an authorized Husqvarnadealer for
evaluation.Proofofpurchase,asexplainedin section6, restssolelywiththe customer.
It is the Owner’sand Dealer’sresponsibilityto make certain that the Warranty RegistrationCard is
properlyfilledoutand mailedto HusqvarnaForest&GardenCompany.Thiscardshouldbemailedwithin
ten(10)daysfromthedateofpurchaseinordertovalidatethewarrantyandto providepost-saleservice.
Proofof purchasemustbe presentedto the authorizedHusqvarnadealer in order to obtain warranty
service.Thisreceiptmustincludethedatepurchased,modelnumber,serialnumber,andcompletename
andaddressofthe sellingdealer.
Toobtainthebenefitofthiswarranty,theproductbelievedto bedefectivemustbedeliveredinatimely
manner,withinthirty(30)daysfromdateofoperationalproblemorfailure,andduringthewarrantyperiod,
toanyauthorizedHusqvarnadealer. Theproductmustbedelivered tothedealer,attheowner’sexpense.
AnauthorizedHusqvarnadealercan benormallylocatedthroughthe’’Yellow Pages’’oftheIocaltelephone directory.
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com

2
3
4
6
7
11
13
16
19
25
32
34
HUSQVARNAWARRANTY
MODEL SPECIFICATIONS
TROUBLE SHOOTING
Suggestions
Cause/Remedy Chart
SHIELD
Attachment
TRIMMER HEAD
Head Installation
Spool Installation
Proper Line Feed
Reassembly
DRIVE SHAFT
Lubrication
THROTTLE CABLE
Removal &Installation
ELECTRICAL SYSTEMS
Spark Plug Replacement
Checking for Spark
Ignition Switch
CARBURETOR &FUEL SYSTEMS
Air Filter
Removal &Cleaning
Carburetor
Acceleration &Deceleration Checks
Speed &Mixture Adjustments
CLUTCH SYSTEM
Clutch Removal &Installation
Starter Rope Removal &Installation
CYLINDER, PISTON &RING
Piston &Cylinder Replacement
Ring Replacement
CRANKCASE
Reed ValveReplacement
Crankshaft Removal
Bearings Replacement
Seal Replacement
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TROUBLESHOOTING
●
●
●
●
●
●
SUGGESTIONS
Engine will not continue to run
at idle position.
See “Idle Speed Adjustment” and
“Low Speed Mixture Adjustment”
Trimmer head continues to spin
when the engine idles.
See “Idle Speed Adjustment>>
and “Deceleration Check>’.
Engine dies or hesitates when it
should accelerate.
see “Acceleration Check”.
Loss of cutting power which
cannot be corrected by cleaning
the air filter.
See “High Speed Mixture
Adjustment”.
Engine does not return to idle from
full throttle within 2seconds.
see “Deceleration Check”.
Engine will not run.
See “Trouble Shooting Chart”.
Only then, if the carburetor requires
adjustment, begin with
“Basic Carburetor Settings”.
NOTES:
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
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MODEL
23LC 26LC 32LC/L
2-StrokeAirCooled -—
23CC/1.35cu.in. 26CC/1.6cu.in. 32CC/1.9cu.in.
7500/3000
SolidState
WalbroWA-199
AutoRewind
SparkArresting
15in./3802cm
500ml/17oz.
ChampionCJ-14
.025in./O.635mm
.012in./O.3O5mm
Husqvarna50:1
.080in./2mmdia.
15in./38.2cm
—
—
—
—
—
—
—
—
—
—
—
17in./43.2cm
—
—
—
—
—
—
SPECIFICATION
ENGINETYPE
DISPLACEMENT
ENGINERPM
(MaximumOperating/Idle)
IGNITION
CARBURETOR
STARTER
MUFFLER
CUTTINGPATH
FUELTANK
SPARKPLUG
SPARKPLUGGAP
MODULEAIRGAP
LUBRICATION
CUTTINGLINE
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SHIELD
SHIELD ATTACHMENT
The shield must be properly installed. The shield provides
partial protection from the risk of thrown objects to the
operator and others and is equipped with aline limiter
which cuts excess line to the proper length.
FAILURE TO INSTALL SHIELD IN POSITION
SHOWN CAN RESULT IN SERIOUS INJURY
TO THE OPERATOR. THE LENGTH OF
SHIELD MUST BE ALIGNED WITH LENGTH
OF DRIVE SHAFT HOUSING.
DIRECT WIDEST PART OF SHIELD
TOWARDS THE ENGINE.
CAUTION
THE LINE LIMITER IS LOCATED ON
UNDERSIDE OF SHIELD AND HAS AKNIFE
EDGE THAT IS SHARP AND CAN CUT YOU.
NOTE:
1. Match the key (raised area) on the
shield with “V” slot on drive shaft
housing.
NOTE:
Rest the bottom of shield on top of
the shoulder (not the dust cup) of
drive shaft housing.
2. Install shield bracket and screws as
shown.
NOTE:
IItiseasier to start the screws with a
screwdriver and finish tightening
with awrench.
3. Tighten screws evenly and securely.
IIt is possible that asmall space will be left
between the bracket and shield when the screws
Iare fully tightened.
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www.mymowerparts.com

TINGCHART
REMEDY
TROUBLESHOO
CAUSE
TROUBLE
1. Filltankwithcorrectfuelmixture.
2. Installnewplug/checkignitionsystem.
3. Cleanfuelfilter/inspectfuelline.
4. See“CarburetorAdjustments”.
1. Fueltankempty,
2Sparkplugisnotfiring.
3Fuelisnotreachingthecarburetor.
4Carburetorneedsadjustment.
5. Noneoftheabove.
Enginewillnotstartor runs
foronlyafewsecondsafterstarting.
1. See“CarburetorAdjustments”.
2. See“CarburetorAdjustments”.
3. See“CarburetorAdjustments”.
1. Idlespeedsettoofastortooslow.
2. Lowspeedmixturerequiresadjustment.
3. Throttletriggersettootight.
4. Noneoftheabove.
Enginewillnotidleproperly.
1. Cleanorreplaceairfilter.
2. Cleanorreplacesparkplug.orregap.
3. See“CarburetorAdjustments”.
1. Airfilterisdirty.
2. Sparkplugisfouled.
3. Carburetorrequiresadjustment.
4. Muffleroutletsplugged.
5. Noneoftheabove.
Enginewillnotaccelerate,
lackspowerordiesunderaload.
1. Airfilterisdirty.
2. Fuelmixtureisincorrect.
3. Highspeedmixturerequiresadjustment.
4. Chokeon.
1. Cleanorreplaceairfilter.
2. Refuelwithcorrectfuelmixture.
3. See“CarburetorAdjustments”.
Enginesmokesexcessively.
1, See“CarburetorAdjustments”.
2. Replacewiththecorrectplug.
1. Highspeedmixturesettoolow,(Lean)
2. Sparkplugincorrect.
Enginerunshot.
1. Carburetorrequiresadjustment.
2, Throttlecablebinding.
3. Clutchrequiresrepair.
1. See“CarburetorAdjustments”.
2. See“ThrottleCableSection”.
3. See“ClutchSection”.
Cuttingattachmentturnsatidlespeed.
1. Replaceorsee“Assembly”.
2, See“CarburetorAdjustments”.
3. See“ClutchSystem”.
1. Driveshaftisbrokenornotengaged.
2. Carburetorrequiresadjustments.
3. Clutchrequiresrepair.
Cuttingheadstopsunderaloadordoesn’t
turnwhentheengineisaccelerated.
1.
2.
3.
4.
5.
1. Lineimproperlyroutedinhead.
2. Lineimproperlywoundontospool.
3. Linesizeisincorrect.
4. Notenoughlineoutsidetbehead.
5. Dirtaccumulatedoncover
cut-outs.
Removecoverandchecklinerouting.
Rewindlinetigbtlyandevenly.
Useonly2mm(.080inch)line.
Removecoverandpullout10cm
(4inches)ofline.
Cleancovercut-outs.
Linedoesn’tadvance
orbreakswhilecutting.
1. Useonly2mm(.080inch)line.
2. Useproperspool.
3. Cutwiththetipoftheline.
4. Reducecuttingspeed.
1. Linesizeincorrect.
2. Incorrectspool
3. Crowdinglineagainst
thematerialbeingcut.
4. Cuttingatahigherspeedthannecessary.
Lineweldsontospool,
1. Removethecoverandcheckthelinerouting.
1. Lineimproperlyroutedinthehead
Linereleasescontinuously.
1. Removethecoverandcheckthelinerouting.
2. Useonly2mm(.080inch)line.
3. Reducespeedaroundhardobjects.
4. Cutwiththetipoftheline.
1. Lineimproperlyroutedinthehead.
2. Linesizeisincorrect.
3. Cuttingathighspeedsaroundhardobjects
4. Crowdinglineagainstmaterialbeingcut.
Lineusageisexcessive.
Linepullsbackintohead. 1. Removethecoverandpullout10cm (4inches)oflinetotheoutside. 5
1. Toolittlelineoutsideofthehead.
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www.mymowerparts.com

TRIMMERHEAD PROPER LINE FEED
1. Hold trimmer head as shown.
2. Press lock tab and turn lock ring as shown
on Tap-N-Go II. For Tap-N-Go 111press
lock tabs in and pull straight off.
3.
4.
5.
Remove lock ring and spool.
Thoroughly clean dirt and debris
from all parts.
Carefully check all parts for damage and
replace as needed.
REPLACE ALL DAMAGED PARTS.
TRIMMER HEAD PARTS THAT ARE
CHIPPED OR DAMAGED IN ANY WAY
CAN FLY APART AND
CAUSE SERIOUS INJURY.
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com

TRIMMERHEAD
INSTALLATION &REMOVAL I
r
1.
2.
Place dust cap over hex nut located on end
of drive shaft housing.
I
Once inplacehold dustcapwith awrench to prevent
arbor shift from turning on 26 RLC and 26 LC
units. On straight shaft units use the locking pin to
hold dust cap from turning.
3. Thread trimmer head onto arbor shaft by rotating
head (clockwise for curve shaft units, counter-
clockwise for straight shaft units) against dust
cap and tighten by hand.
4. To remove trimmer head reverse steps (
INSTALLING SPOOL
WITH LINE
-
thru 3).
Use only Husqvarna pre-wound spools with 2mm (.080
inch) diameter line. (Use of anything other than
Husqvarna spools or line may result in breakage, line
welding and improper line feed.)
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www.mymowerparts.com

TRIMMERHEAD
9. Carefully check to make sure all three
catches and lock tab are fastened properly
as shown (test lock ring by trying to turn it
counterclockwise) on Tap-N-GoII
10. Depress top button and pull on the
/Hline to change spool from locked
position to operating position.
11. To get correct line length
(lOcm or 4inches as measured
spool to the tip of each line) presstap button and pull on line again.
from
I
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TRIMMERHEAD
TRIMMER HEAD REASSEMBLY
,:., ...
6. Insert end of line into line exit hole.
e
::,,/. .
,.
7. Place spool in hub. (Make sure trimmer line is
not caught between rim of the spool and the
hub.)
8. Align lock ring over the three catches on the
hub. Push lock ring down onto hub and turn
clockwise as shown.
I..
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4. Remove drive shaft from drive shaft housing.
I
I
.“
—
5. Check drive shaft for broken wires, twists, or
kinks, replace as necessary.
6. Use aclean cloth to thoroughly wipe old grease
or dirt from drive shaft.
7. Apply auniform coat of drive shaft lubricant
to entire surface of drive shaft.
8. Replace drive shaft in drive shaft housing.
Turn shaft until it seats in bottom housing.
To check this turn drive shaft by hand.
Trimmer head should rotate.
9. Reassemble drive shaft housing into engine.
Follow steps 1&2in reverse order and tighten
the clutch shroud screws securely.
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DRIVESHAFT
2. Carefully pull throttle trigger away from foam
grip handle, then remove barrel end of throttle
cable from the throttle trigger. Carefully pull
throttle cable out of foam grip.
1
3. Loosen clutch shroud screws and remove
drive shaft housing from engine.
1
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THROTTLECABLE
.-
2. Secure throttle cable under plastic
retaining clip.
NOTE:
Do not excessively bend or kink the
throttle cable!
3. Align posts on end of cable attachment
head with the correct post holes shown.
=4. Install screw through cable attachment head with a
4mm hex wrench.
5. Place throttle cable end into
hole on adjustment side of
carburetor and reinstall fuel
line.
NOTE:
Be sure the carburetor gasket is properly
positioned before reinstalling the carburetor,
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THROTTLECABLE
THROTTLE CABLE REMOVAL
1.
2.
3.
4.
5.
Remove screw and nut from throttle
trigger housing.
throttle trigger.
I
Carefully pull throttle cable 01
Remove air filter cover.
(SEE AIR FILTER SECTI~
Remove the two screws
securing choke plate and
carburetor assembly.
Remove fuel line and plug
to avoid gas leakage.
Remove throttle cable
from carburetor.
6. Remove the 4mm screw securing cable
attachment head and remove cable from I
7.
around clip.
Pull cable out from engine to
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
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~LECTRICALSYSTEMS
SPARK PLUG
REPLACEMENT
~1. On 26 LC and 32 LC units the spark plug
is located under the engine cylinder
cover. Remove the 4four (mm) screws to
gain access to the spark plug.
2. Remove ignition lead from spark plug.
3. Unscrew spark plug, counterclockwise,
using a3/4” socket.
-~4. The spark plug electrode gap is 0.025 in.
(.635mm).
5. When installing anew plug, tighten it 1/4
turn past finger tight.
6. Replace spark plug lead and top cover for
LC units.
16 I
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THROTTLECABLE
6. Align carburetor holes with shroud assembly
holes and be sure carburetor gasket remains in
place.
NOTE:
Be sure impulse hole on carburetor aligns
with pulse hole on shroud and mounting
7.
gasket does not interfere with pulse passage.
Reinstall screws
choke into carbu
shroud assembly
8.
9.
Reinstall air filter.
Reinstall throttle c
1thru 3(page 13).
15
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ELECTRICALSYSTEMS
IGNITION SWITCH
The ignition switch is located in different areas depend-
ing on trimmer model. For 26 RLC and 32 RLC models
the switch is located on the engine cover. For 26 LC and
32 LC models the switch is located either on the engine
cylinder cover or next to the throttle trigger mounted on
the trimmer shaft.
STEPS 1THRU 4
ARE FOR LC MODELS ONLY
.- I1. Remove screw
housing.
2. Remove the PI
Iand
Iillip
nut from throttle trigger
screw from switch cover.
3. Disconnect wires from underside of starter housing
as shown.
4. Carefully pull out wiring assembly and replace as
necessary.
5. On RLC models, remove clutch housing, clutch
and starter housing assembly as shown in starter
repair section.
8
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ELECTRICALSYSTEM!
CHECKING FOR SPARK
1. Remove the spark plug using spark plug
replacement procedure 1thru 3and clean off all
carbon, dirt and other deposits. Check the gap
between the electrodes. The air gap should be
0.25in (.635mm).
2. Ground sparkplug to cylinder and turn stop switch
on, give the starter rope one hard pull. Aspark
should occur between the electrodes.
3. If no spark occurs, test with anew spark plug
or test plug.
4. Ifstil
switc
onlof
5.
6.
no spark occurs, disconnect leads for on/off
i.Pull starterropeagain. If asparkoccurs,the
switch is faulty and should be replaced.
—
If there is still no spark, check the ignition connec- L/2
tion leads and contacts for poor connections, dirt, 1
breakage or damaged installation. Check ignition Y
module air gap, itshould be setfrom.012 to.015 in. 4
-.
If there isstillno spark, replacethe ignitionmodual. 17
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——.—————— ——
:ARBURETOR&F1
ACCELERATION CHECK
1. Allow engine to idle.
2. Squeeze trigger fully.
a.
b.
If performance is satisfactory, refer to
“Deceleration Check”.
IF ENGINE ACCELERATION IS SLOW
OR ERRATIC, repeat “Idle Speed Adjustment”
(page 23) or continue through low speed mixture
adjustments to obtain proper acceleration.
3. Repeat step 2until smooth acceleration is obtained.
NOTE:
It maybe necessary to repeat “Idle Speed
Adjustment Acceleration Checks” to obtain
correct adjustments. See page 23.
4. Follow instructions in “Deceleration Check.”
DECELERATION CHECK
1.
2.
3.
4.
Allowengineto idle,then squeezethrottletriggerfully.
Allow engine to run at full speed for 1to 2seconds.
Release throttle trigger to idle position and listen to
deceleration of engine. It must return to asmooth idle
within 1to 2seconds.
a. IF PERFORMANCE IS SATISFACTORY,
proceed to step 4.
b. IFENGINESLOWLYORERRATICALLY
RETURNSTO IDLEORIDLESERRATICALLY,
repeat “Idle Speed Adjustment” or continue
through low speed mixture and high speed
mixture adjustments to obtainproper deceleration.
Recheck idle speed.
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
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