Ariens 91116000 (101-1137), 91116000 (1138-999999), 91118300 (101-999999) Owner’s Manual
Walk Behind Lawn Mower
Owner/Operator Manual
Manuel Du Proprietaire/Utilisateur
Model
911160 - LM21 Classic
911182 - LM21 Classic
911183 - LM21S Classic
911184 - LM21SW Classic
(_) FRAN(_AIS
04056700 2/10
Printed in USA
/ Y:_:] i _ [o]_ _o]_//_/[_
Safety ........................... 4
Assembly ........................ 9
Controls and Features ............ 10
Operation ....................... 11
Maintenance ..................... 17
Service and Adjustments .......... 20
II_/llt_e_o]_l
Storage ......................... 24
Troubleshooting ................. 25
Service Parts .................... 26
Accessories ..................... 26
Specifications ................... 27
Warranty ........................ 29
NON-ENGLISH MANUALS
Manuals in languages other than
English may be obtained from
your Dealer. Visit your dealer or
www.ariens.com for a list of
languages available for your
equipment.
Manuals printed in languages
other than English are also
available as a free download on
our website:
http://www.ariens.com
MANUALES EN IDIOMAS
DIFERENTES DEL INGLES
Puede obtener manuales en
idiomas diferentes del ingles en su
distribuidor.
Visite a su distribuidor o vaya a
www.ariens.com para obtener una
lista de idiomas disponibles para su
equipo.
Tambien puede imprimir manuales
en idiomas diferentes del ingles
descargandolos gratuitamente de
nuestra pagina Web:
http://www.ariens.com
MANUELS NON ANGLAIS
Des manuels dans differentes
langues sont disponibles chezvotre revendeur.
Rendez-vous chez votre revendeur
ou allez sur le site www.ariens.com
pour consulter la liste des langues
disponibles pour votre equipement.
Les manuels imprimes dans des
langues differentes de I'anglais
sont egalement disponibles en
telechargement gratuit sur notre
site Web :
http://www.ariens.com
THE MANUAL
Before using the unit, carefully and
completely read your manuals. The contents
will give you an understanding of safety
instructions and controls during normal
operation and maintenance.
All reference to left, right, front, or rear are
given from the operator's position, facing the
direction of forward travel.
SERVICE AND REPLACEMENT
PARTS
When ordering replacement parts or making
service inquiries, know the Model and Serial
numbers of your unit and engine.
Numbers are located on the product
registration form in the unit literature
package. They are also printed on a serial
number label, located on the frame of your
unit (Figure 1).
Unit Serial
Number Label
\
Figure 1
GB -2
0MI600
•RecordUnitModelandSerialnumbers
here:
l J
• Record Engine Model & Serial numbers
here:
[ J
PRODUCT REGISTRATION
The Ariens dealer must register the product
at the time of purchase. Registering the
product will help the company process
warranty claims or contact you with the latest
service information. All claims meeting
requirements during the limited warranty
period will be honored, whether or not the
product registration card is returned. Keep a
proof of purchase if you do not register your
unit.
Customer Note: If the Dealer does not
register your product, please fill out, sign and
return the product registration card to Ariens
or go to www.ariens.com on the internet.
UNAUTHORIZED REPLACEMENT
PARTS
Use only Ariens replacement parts.
Replacing any part on this vehicle with
anything other than an Ariens authorized
replacement part may adversely affect the
performance, durability, or safety of this unit
and may void the warranty. Ariens disclaims
liability for any claims or damages, whether
warranty, property damage, personal injury or
death arising out of the use of unauthorized
replacement parts. To locate your nearest
Ariens Dealer, go to www.ariens.com on the
internet.
DEALER DELIVERY
Dealer should:
1. Check that all assembly and
adjustments have been properly
completed.
2. Fill out Original Purchaser Registration
Card and return the card to Ariens.
3. Explain Ariens Limited Warranty Policy.
4. Explain recommended lubrication and
maintenance. Advise customer on
adjustments. Remind customer to
change oil in 4 cycle engine crankcase
after first five (5) hours of operation.
5. Instruct customer on controls and
operation of unit. Discuss and
emphasize the Safety Rules. Give
customer Owner/Operator, Parts, and
Engine manuals. Advise customer to
thoroughly read and understand them.
DISCLAIMER
Ariens reserves the right to discontinue,
make changes to, and add improvements
upon its products at any time without public
notice or obligation.The descriptions and
specifications contained in this manual were
in effect at printing. Equipment described
within this manual may be optional. Some
illustrations may not apply to your unit.
GB-3
[,."Y-'1al=1i'I
WARNING: This cutting machine
is capable of amputating hands
and feet and throwing objects.
Failure to observe the safety
instructions in the manuals and
on decals could result in serious
injury or death.
Slopes are a major factor related
to slip and fall accidents.
Operation on all slopes requires
extra caution.
Tragic accidents can occur if the
operator is not alert to the
presence of children. Never
assume that children will remain
where you last saw them.
Gasoline is extremely flammable
and the vapors are explosive,
handle with care.
Stop unit and engine, remove key
(if equipped) and allow moving
parts to stop before leaving
operator's position.
SAFETY ALERTS
Look for these symbols to point
,_ out important safety precautions.
The safety alert symbols above and signal
words below are used on decals and in this
manual.
Read and understand all safety messages.
They mean:
Personal Safety Is Involved!
Attention!
Become Alert!
Obey The Message!
CAUTION: POTENTIALLY
,&
HAZARDOUS SITUATION! If not
avoided, MAY RESULT in minor or
moderate injury. It may also be
used to alert against unsafe
practices.
NOTATIONS
NOTE: General reference information for
proper operation and maintenance practices.
IMPORTANT: Specific procedures or
information required to prevent damage to
unit or attachment.
PRACTICES AND LAWS
Practice usual and customary safe working
precautions, for the benefit of yourself and
others. Understand and follow all safety
messages. Be alert to unsafe conditions and
the possibility of minor, moderate, or serious
injury or death. Learn applicable rules and
laws in your area.
REQUIRED OPERATOR
TRAINING
Original purchaser of this unit was instructed
by the seller on safe and proper operation. If
anyone other than the original purchaser will
use the unit, ALWAYS provide this manual
and any needed safety training before
operation.
DANGER: IMMINENTLY
,_ HAZARDOUS SITUATION! If not
avoided, WILL RESULT in death or
serious injury.
WARNING: POTENTIALLY
,_ HAZARDOUS SITUATION! If not
avoided, COULD RESULT in
death or serious injury.
GB -4
SAFETY DECALS AND
LOCATIONS
ALWAYS replace missing or damaged safety
decals. Refer to Figure 2 for safety decal
locations.
1
Figure 2
1. DANGER!
TO AVOIDSERIOUS INJURYOR DEATH
Read the operator's manual.
OL180I
Keep children and others away
from unit while operating.
©L4370
Never direct discharge toward
other people. Thrown objects can
cause injury.
OL0910
Do not operate mower unless
guards are in operating position
or entire bagger is attached.
OL4540
shields, switches, etc.) in place
Keep safety devices (guards,
and working.
OL3030
Go across slopes, not up and down.
Look down and behind before and
while moving backward.
Do not park on a slope unless
chocked or blocked.
Do not allow operation of machine by
untrained personnel.
2. DANGER!
KEEP HANDS AND FEET AWAY
Do not operate mower unless guards are in
operating position or bagger is attached.
3. CAUTION!
Bag is subject to wear and
deterioration.
Check bag frequently, replace when
necessary.
Use original bag to comply with safety
specifications.
SAFETY RULES
If unit is to be used by someone other than
original purchaser; loaned, rented or sold,
ALWAYS provide this manual and any
needed safety training before operation.
Learn applicable rules and laws in your area,
including those that may restrict the age of
the operator.
Read, understand and follow all safety
practices in Owner/Operator Manual before
beginning assembly. Failure to follow
instructions could result in personal injury
and/or damage to unit.
If the operator or the mechanic cannot read
the manual, it is the owner's responsibility to
explain it to them. Only the user can prevent
and is responsible for accidents or injuries
occurring to themselves, other people or
property.
ALWAYS remove key (if equipped) and
disconnect wire from spark plug before
assembly. Unintentional engine start up can
cause death or serious injury.
Complete a walk around inspection of unit
and work area to understand:
work area
your unit
all safety decals.
Clear work area of stones, sticks, wire and
foreign objects which might be picked up and
thrown. Tall grass can hide obstacles.
Know the work area. Stay alert for holes,
rocks, rough terrain and hidden hazards.
GB-5
Keepawayfromdrop-offs,ditches,or
embankmentsthatcouldcauseoperatorto
losefootingorcontrolofunit.
ALWAYSbeawareoftrafficwhenoperating
alongstreetsorcurbs.
Keepworkareaclearofallpersons,children
andpets.
Keepchildrenoutoftheworkareaandunder
thewatchfulcareofaresponsibleadult.
ALWAYSoperateunitwhenthereisgood
visibilityandlight.
DONOTmowwetgrass.
ALWAYSbesureofyourfooting.Keepafirm
holdonhandlebar.Walk,NEVERrun.
Engine/bladecontrolfeatureonmowerstops
engineandbladewithin3secondswhenever
operatorreleaseshandlebar.Checkthis
featurefrequently.Iffeaturefailstooperate,
disconnectsparkplugwireandadjustorhave
itrepairedbeforeusingunit.
Onlytrainedadultsmayoperateorservice
unit.Trainingincludesactualoperation.The
ownerisresponsiblefortrainingusers.
NEVERoperateafterorduringtheuseof
medication,drugsoralcohol.Unitrequires
completeandunimpairedattention.
NEVERallowchildrentouseorservice
mower.
ALWAYSkeephandsandfeetawayfrom
rotatingparts.Rotatingpartscancutoffbody
parts.
ALWAYSkeephandsawayfrompinchpoints.
Fumesfromengineexhaustcancausedeath
orseriousinjury.DONOTrunengineinan
enclosedarea.
ALWAYSprotecteyes,face,andbodywith
adequatesafetygearandprotectiveclothes.
Wearsturdyfootwear,gloves,ahardhatand
safetygogglesorsafetyglasseswithside
shieldswhileoperatingmower.
Wearappropriatehearingprotection.
NEVERoperatemowerbarefootorwhen
wearingopensandalsorcanvasshoes.
NEVERwearlooseclothes,longhairor
jewelrythatmaygetcaughtinrotatingparts.
ALWAYSstandclearofdischargewhen
operatingunit.
NEVERdirectdischargetowardbystanders.
Operatorisresponsibleforbystandersafety.
DONOTtouchhotparts.Allowpartstocool.
Keepsafetydevicesorguardsinplaceand
functioningproperly.NEVERmodifyor
removesafetydevices.
Read,understand,andfollowallinstructions
inthemanualandonthemachinebefore
starting.Understand:
Howtooperateallcontrols
Thefunctionsofallcontrols
HowtoSTOPinanemergency.
DONOTattempttostartyourengineuntil
youknowwhatthecontrolsdoandhowthey
work.
DONOTtiltmowerwhenstartingit.
Keepfeetawaywhenstartingengine.
DONOTstarttheengineoroperatemower
withoutsidedischargecoverorside
dischargedeflectorinstalled.
Neverleavearunningunitunattended.
Takeallpossibleprecautionswhenleaving
unitunattended.
ALWAYSshutoffengine,removekey
(electricstartmodels)anddisconnectspark
plugwiretopreventaccidentalstartingor
unauthorizeduse.
Stopengineifanyoneenterstheworkarea.
NEVERattempttomakeanyadjustmentsto
unitwhileengineisrunning(exceptwhere
specificallyrecommended).Stopengine,
removekey(electricstartmodels)andwait
forallmovingpartstostopbeforeservicing.
DONOTmakecuttingheightwheel
adjustmentswhiletheengineisrunning.
Ifyoustrikeanobject,orifequipment
vibratesabnormally,stopengineatonce,wait
formovingpartstostopanddisconnectwire
fromsparkplug.Repairanydamagebefore
restartingunit.
Keepreardoorclosedwhenengineis
runningunlessthegrassbagisinplace.
Stopenginebeforeremovingandemptying
grassbag.
Whenmulchingorbagging,ALWAYSinstall
dischargecover.
Whensidedischarging,ALWAYSinstallside
dischargedeflector.
ALWAYSshutoffengine,allowbladetostop
anddisconnectsparkplugwirebefore
clearingclogsorcleaningunit.
Checkgrassbagforwear,damage,and/or
deterioration.ReplaceonlywithAriens
originalequipmentreplacementpartsfor
safety.
Toreducefirehazardandoverheating,keep
equipmentfreeofgrass,leaves,debrisor
excessivelubricants.
Useextracarewhenapproachingblind
corners,shrubs,trees,orotherobjectswhich
mayobscurevision.
GB-6
DONOTmowattoofastarate.DONOT
changeenginegovernorsettingorover-
speedtheengine.
Donotoperatemowerongravelorloose
materialsuchassand.Stopmowerwhen
crossingdrives,walks,orroadstoprevent
damageorinjuryfromthrownobjects.
DONOTpullmowerbackwardsunless
absolutelynecessary.Lookdownandback,
especiallyforsmallchildren,beforeandwhile
movingbackwards.
Onself-propelledmodels,releasingwheel
drivecontrolmuststopmower'sforward
movement.Ifthisfeaturefailstooperate,
disconnectsparkplugwireandrepairbefore
usingunit.
Onself-propelledmodels,wheeldrivemust
bedisengagedwhenstartingengine.
DONOToperateonsteepslopes.
NEVERleaveunitunattendedonaslope.
Chockwheelsifparkingonaslope.
Mowacrossthefaceofslopes,neverupand
down.Beespeciallycautiouswhenchanging
directiononslopes.
Thisproductisequippedwithaninternal
combustionengine.DONOTuseonornear
anyunimproved,forestorbrushcoveredland
unlesstheexhaustsystemisequippedwitha
sparkarrestormeetingapplicablelocal,state
orfederallaws.Asparkarrestor,ifused,
mustbemaintainedineffectiveworkingorder
bytheoperator.SeeyourAriensDealeror
enginemanufacturer'sservicecenter.
Emission Control System
Certification Label
NOTE: Tampering with emission controls and
components by unauthorized personnel may
result in severe fines or penalties. Emission
controls and components can only be
adjusted by EPA and/or CARB authorized
service centers. Contact your Ariens
Equipment Retailer concerning emission
controls and component questions.
Fuel is highly flammable and its vapors can
explode. ONLY use approved fuel containers.
NO Smoking!
NO Sparks!
NO Flames!
Allow engine to cool before filling fuel
tank.
Never fill containers inside a vehicle or on a
truck or trailer bed with a plastic liner. Always
place containers on the ground away from
your vehicle before filling.
When practical, remove gas-powered
equipment from the truck or trailer and refuel
it on the ground. If this is not possible, then
refuel such equipment on a trailer with a
portable container, rather than from a
gasoline dispenser nozzle.
Keep the nozzle in contact with the rim of the
fuel tank or container opening at all times until
fueling is complete. Do not use a nozzle lock-
open device.
Check fuel supply before starting engine.
DO NOT fill gasoline tank indoors, when
engine is running, or while engine is hot.
Allow engine to cool several minutes before
removing fuel cap.
DO NOT overfill. Allow about 1/4" (6 mm) of
tank space for fuel expansion.
Replace gasoline tank cap securely and
clean any spilled fuel before starting engine.
If fuel is spilled on clothing, change clothing
immediately.
NEVER store fuel inside where there is an
open flame, such as a water heater.
ALWAYS drain fuel outdoors away from
ignition sources.
ALWAYS shut off engine, and remove key,
and close fuel shutoff valve when transporting
unit on a truck or trailer.
Avoid Electric Shock. DO NOT disconnect
wire from spark plug while engine is running.
Do NOT put battery in fire or mutilate.
Explosive Gases!
NO flames, NO sparks, NO smoking, near
battery.
Poisonous battery fluid contains sulfuric acid.
Contact with skin, eyes or clothing can cause
severe chemical burns.
ALWAYS wear safety glasses and protective
gear near battery.
ALWAYS keep batteries out of reach of
children.
Battery posts, terminals and related
accessories contain lead and lead
compounds, chemicals known to the State of
California to cause cancer and reproductive
harm. Wash hands after handling.
Charge batteries in an open, well-ventilated
area, away from spark and flames. Unplug
charger before connecting or disconnecting
battery. Wear protective clothing and use
insulated tools.
GB-7
Accidentalenginestartupcancausedeathor
seriousinjury.Exceptwherespecifically
recommended,ALWAYSstopengine,
removekey(electricstartmodels),waitfor
movingpartstostop,allowpartstocooland
disconnectsparkplugwirebeforeinspecting,
servicing,adjustingorrepairingunit.
Keepmowerfreeofgrass,leaves,orother
debrisbuild-up.
Keepequipmentingoodcondition.
Maintainorreplacesafetyandinstruction
labels,asnecessary.
Followenginemanufacturer'ssafety
instructionwhenservicingengine.
Checkallhardwareatregularintervals,
especiallybladeattachmentbolts.Keepall
hardwareproperlytightened.
Anextensionspring,whenextended,stores
energyandcanbedangerous.Alwaysuse
toolsspecificallydesignedforinstallingor
removinganextensionspring.Always
compressorextendspringsslowly.
Beforetippingunit,removefuelandbattery(if
equipped).
Useextracarewhenloadingorunloading
unitontotrailerortruck.
Ensureallwheelblocks,jackstandsandtie
downswillsupportunitduringmaintenance.
Replaceworn-outmufflersimmediately.
Continuedusecouldresultinfireor
explosion.
Sharpedgescancutoramputatefingersora
hand.Wrapbladeorwearsturdyglovesto
service.
Onlyreplaceblades.NEVERstraightenor
weldblades.
Useonlyreplacementpartsdesignedforyour
unit.SeeyourAriensDealer.
Allowenginetocoolbeforestoringinany
enclosure.
ALWAYScleanunitbeforeextendedstorage.
Seeenginemanualforproperstorage.
DONOTstoreunitinsideabuildingwithfuel
inthefueltankwhereanyignitionsources
arepresent.
Useonlyaccessorieswhichhavebeen
approvedbyAriensandareproperly
installed.
Useonlyaccessoriesorattachmentsthatare
designedforyourunitandthatcanbeused
safelyonyourterrain.
Checkattachmentsfrequentlyandreplace
wornordamagedcomponentswith
manufacturer'srecommendedparts.
GB-8
,_ CAUTION: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
CARTON CONTENTS
ASSEMBLY
1. Unfold and adjust handlebar. See
HANDLEBAR HEIGHT on page 20.
NOTE: DO NOT bend the speed control rod
(if equipped) when unfolding the handlebars.
2. Fill engine crankcase with oil. See
engine manual.
3. Set-up mower for bagging, side
discharge or mulching. See MOWER
SET-UP on page 14.
4. Fill fuel tank. See FILLING THE FUEL
TANKon page 14.
5. Connect spark plug wire.
6. Check the engine/blade control feature.
Try starting the engine without the
engine/blade control held against the
handlebar. Engine must not start. If
engine starts, stop engine and bring the
unit to your dealer for adjustment or
repair.
1. Mower Unit
2. Side Discharge Cover
3. Side Discharge Deflector
4. Literature Pack
5. Mulch Plug
6. Grass Bag
Figure 3
OM3190
GB-9
[_o]_ij_o]l_,,,_ r;1_lm]I_l_iuL_"]
3
4
7
13
12
3-
19
14
12
11
10
11
14
OM3195
1. Engine/Blade Control
2. Wheel Drive Control (911183, 184)
3. Adjustable and Folding Handlebars
4. Swivel Wheel Lock (911184)
5. Grass Bag
6. Rear Door
7. Fuel Tank and Cap
8. Height Adjustment Pins (911184)
9. Muffler and Muffler Guard
10. Oil Fill/Dipstick
11. Cutting Height Levers (2 Rear Wheel
Adjusters, 2 Front Wheel Adjusters)
16
15
/
Figure 4
12. Primer Bulb
13. Air Filter
14. Side Discharge Cover
15. Side Discharge Deflector
16. Mulchmaster TM Plug
17. Handlebar Adjustment Holes
18. Recoil Starter Handle
19. Speed Control Rod (911183, 184)
GB- 10
CONTROLS AND FEATURES
See Figure 4 for locations.
WARNING: Improper operation
,_ can lead to injury. Learn what the
controls do and how they work.
Thoroughly read and understand
entire Operator Manual.
Handlebar
Adjust handlebarto a safe and comfortable
height. See HANDLEBAR HEIGHT on
page 20.
Recoil Starter Handle
When pulled, handle will turn engine over.
CUTTING HEIGHT ADJUSTMENT
CAUTION: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
Engine/Blade Control
CAUTION: Check function of
,_ Engine/Blade Control regularly.
Improper function of control could
cause injury.
The engine/blade control must be held
against the handlebar to start the engine and
blade.
Engine/blade control feature on mower stops
engine and blade within 3 seconds whenever
operator releases handlebar. Check this
feature frequently. If feature fails to operate,
disconnect spark plug wire and adjust or have
it repaired before using unit.
STOP
DANGER: Avoid injury from
,_ rotating blade.
ALWAYS shut off engine before
adjusting cutting height.
CAUTION: On self-propelled
models, both rear wheels must be
set at same height or traction
drive may not work properly.
Notch Cut grass length
LOW 1" (25 mm)
2 1-3/8" (35 mm)
3 1-3/4" (45 mm)
4 2-1/4" (57 mm)
5 2-3/4" (70 mm)
HIGH 3-1/4" (83 mm)
START and RUN
GB- 11
Standard Models
To change cutting height, move cutting height
levers one notch at a time on each wheel to
set desired height (Figure 5).
NOTE: Each wheel on mower must be set at
the same height for a level cut.
Rear
low
Swivel Wheel Models
(911184)
To change front wheel cutting height, insert
height adjuster pin into the holes that match
the desired cutting height and fasten with key
ring (Figure 6).
To change rear wheel cutting height, move
cutting height levers one notch at a time to
set the desired cutting height.
High
Low
1. Cutting Height Lever
Figure 5
High
Front
Low
Front
3
1. Cutting Height Lever
2. Height Adjuster Pin
3. Key Ring
Figure 6
!
OPTIONAL CONTROLS
Primer Bulb
Push the primer bulb in to add fuel for easier
engine start.
GB- 12
Speed Control (self-propelled
models)
Speedcontrol rod changes the mower's
forward travel speeds.
Fast -Push rod all the
way forward.
Wheel DriveControl (self-propelled
models)
CAUTION: Unit will move forward
,&
at engine start if wheel drive
control is engaged. ALWAYS
release wheel drive control before
starting unit.
NOTE: Engine must be running for wheel
drive to propel unit.
To drive forward:
Slowly squeeze and hold wheel drive control
against handlebar.
To stop:
Release wheel drive control.
©M1240
STOP GO
Swivel Wheel Lock (911184)
Figure 7
Start mowing slowly and use speed control
rod to gradually increase speed to a safe,
comfortable walking pace.
Speed control rod should hold the desired
speed. If not, adjust speed control bell crank.
(See SPEED CONTROL BELL CRANK on
page 23.)
CAUTION: Avoid loss of control.
,t_ Lock swivel wheels when mowing
on a slope or hill. Do not mow on
steep slopes.
To hold wheel straight:
1. Push swivel wheel lock forward.
2. Push unit forward until wheel locks in
place.
To allow wheel to swivel:
1. Pull swivel wheel lock back.
GB - 13
Unlock-Wheel
Swivels
Lock-WheelHeld
Straight
OM1700
FILLING THE FUEL TANK
GASOLINE
IMPORTANT: ALWAYS use gasoline that
meets the following guidelines:
Clean, fresh gasoline.
A minimum of 87 octane/87 AKI (91
RON). High altitude use may require a
different octane. Consult your engine
manual.
Gasoline with up to 10% ethanol
(gasohol) or up to 15% MTBE (methyl
tertiary butyl ether) is acceptable.
Use of any gasoline other than those
approved above may void the engine
warranty. If the pumps are not marked
for the content of alcohol or ethers,
check ethanol and MTBE levels with
the fuel supplier.
Do not modify the fuel system to use
different fuels.
Never mix oil and gasoline.
NOTE: All gasoline is not the same. If the
engine experiences starting or performance
problems after using a new gasoline, switch
to a different fuel provider or fuel brand.
IMPORTANT: Excessively oxygenated or
reformulated fuels (fuels blended with
alcohols or ethers) can damage the fuel
system or cause performance problems. If
any undesirable operating problems occur,
use a gasoline with a lower percentage of
alcohol or ether.
Fuel Stabilizer
Gasoline left in the fuel system for extended
periods without a stabilizer will deteriorate,
resulting in gum deposits in the system.
These deposits can damage the carburetor
and the fuel hoses, filter and tank. Prevent
deposits from forming in the fuel system
during storage by adding a quality fuel
stabilizer to the fuel. Follow the
recommended mix ratio found on the fuel
stabilizer container.
To add fuel to fuel tank:
1. Put unit in open or well-ventilated area.
2. Stop engine and allow to cool.
3. Clean fuel cap and surrounding area.
4. Remove cap.
IMPORTANT: See engine manual for correct
type and grade of fuel.
5. Fill fuel tank. (see SPECIFICATIONS on
page 27 for tank capacity.)
6. Replace fuel cap and tighten.
7. ALWAYS clean any spilled fuel.
MOWER SET-UP
CAUTION: DO NOT operate
mower unless either side
discharge cover or side discharge
deflector is installed. Thrown
objects may cause damage or
injury. Never operate unit with
rear door open unless grass bag
is in place.
CAUTION: If clog or obstruction
prevents grass flow, release
engine/blade control and
disconnect spark plug wire before
attempting to clear away any
clogs.
GB- 14
To Bag
CAUTION: Check grass bag
frequently for wear or
deterioration. Replace worn or
damaged bag with Ariens original
equipment replacement bag only.
1. Shut off unit.
2. Install side discharge cover.
Side Discharge Cover
Figure 8
3. Lift rear door.
4. Hook grass bag frame on mounting
flange.
5. Lower rear door.
If necessary, lift rear of grass bag frame to
lock in position.
There should be no openings between bag
and mounting surface after installing bag. If
necessary, clear debris from bag mounting
surface.
Grass Bag Removal
1. Shut off unit.
2. Lift rear door.
3. Use handle to lift bag off mounting
flange.
4. Close rear door.
NOTE: Empty grass bag and clean mower
pan after each use. DO NOT allow grass
clumps or a grass coating to collect inside of
grass bag or mower pan. Remove grass bag
from mower, wash bag with hose and allow to
dry.
To Side Discharge
1. Shut off unit.
2. Remove grass bag.
3. Install Mulchmaster plug (see below).
4. Remove side discharge cover and keep
hardware.
5. Attach side discharge deflector to studs
on mower. Make sure deflector covers
discharge opening.
6. Secure with cover hardware from step 4.
Side Discharge Deflector
Figure 9
To Mulch
1. Shut off unit.
2. Remove grass bag and install side
discharge cover.
3. Open rear door and insert Mulchmaster
plug with the beveled face to the left.
4. Close rear door.
NOTE: Rear door must close flush.
NOTE: For maximum mulching performance,
install the Mulchmaster Mulching Kit. See
Accessories.
Mulchmaster Plug
Figure 10
GB- 15
EMERGENCY STOPPING
To stop the mower in an emergency:
1. Release the engine/blade control.
2. Release the wheel drive control (self-
propelled models).
3. Allow all moving parts to stop before
leaving operator's position.
STARTING AND SHUT OFF
WARNING: Improper operation
A
can lead to injury. Learn what the
controls do and how they work.
Thoroughly read and understand
entire Operator Manual.
See Figure 4 for all Controls and Features.
NOTE: Start engine on a level surface that is
free of debris.
Manual Start
1. Check each item under Before Each
Use in the MAINTENANCE SCHEDULE
on page 17.
2. For engines with a primer, push primer
bulb 2 or 3 times for a cold engine.
NOTE: It is unnecessary to prime or choke a
warm engine.
3. For engines with a throttle, place throttle
control in the choke position. Once the
engine has started, place throttle in the
high speed detent.
4. With engine/blade control held against
the handlebar, grasp starter handle and
pull rope slowly until it pulls harder. This
is the compression stroke. Let rope
rewind slowly.
5. Pull rope with rapid continuous full arm
stroke to start engine. Allow rope to
rewind slowly.
IMPORTANT: DO NOT let starter handle
snap against bracket.
6. Repeat steps 4 and 5 until engine starts.
(If engine does not start, see
TROUBLESHOOTING on page 25.)
Shut Off
1. Release wheel drive control and allow
unit to stop completely (self-propelled
models).
2. Release engine/blade control.
Mowing Tips
Cut grass when it is dry.
Keep mower blades sharp.
Do not set cutting height too low. For tall
grass, mow twice.
Do not mow too fast.
Mow with engine at full throttle. Discharge
clippings into areas already cut.
Vary cutting pattern with each mowing.
NOTE: To prevent dirt and grass from
collecting on mower pan, avoid operating
over bare ground with only patches of grass.
Mulching Tips
For best mulching performance, cut no more
than 1-inch (2.54 cm) of grass per cutting.
GB- 16
,_ CAUTION: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
Ariens Dealers will provide any service, parts
or adjustments which may be required to
keep your unit operating at peak efficiency.
Should engine require service, contact an
Ariens Dealer or an authorized engine
manufacturer's service center.
MAINTENANCE SCHEDULE
NOTE: Some working conditions (heavy
loads, high ambient temperatures, dusty
conditions, or airborne debris) may require
more frequent service.
See engine manual for further maintenance
and troubleshooting information.
Service
Performed
Check
Engine/Blade
Control
Check Wheel
Drive Control
Check Grass
Bag
Clean Unit
Check Engine
Oil
Check Mower
Blade
Check Drive
Belt
Check
Fasteners
Check Air
Cleaner
Change *
Engine Oil
General
Lubrication
Check Spark
Plug
Check Engine
Cooling
Check Muffler
After first 5 Hours of operation.
CHECK ENGINE/BLADE
CONTROL
The engine and blade must stop within
3 seconds after releasing the control. If the
engine and blade continue to run, adjust or
repair control immediately.
GB - 17
CHECK WHEEL DRIVE CONTROL
(Self-Propelled Models)
The unit must stop quickly and completely
when the control is released. Adjust or repair
if necessary. See WHEEL DRIVE CONTROL
ADJUSTMENT on page 22.
CHECK GRASSBAG
Check grass bag frequently for wear or
deterioration. Replace worn or damaged bag
with Ariens original equipment replacement
bag only.
CLEAN UNIT
Before each use clean unit, muffler and
engine surfaces of debris, oil or fuel spills to
ensure proper cooling and prevent fires.
CHECK ENGINE OIL
IMPORTANT: Maintain proper oil level at all
times or engine damage will result.
Check the level of the engine crankcase oil
before each use.
Make sure engine is level when checking oil.
See engine manual for instructions.
CHECK MOWER BLADE
See Figure 11.
Check blade mounting: blade must be secure
and bolt torqued to 37.5 - 50 Ibf-ft
(51-68 N°m) (bolt should fully compress lock
washer).
Check blade for nicks and dull cutting edges.
Sharpen if necessary.
Check blade for rounded or broken ends,
thinned metal or other damage. Replace if
necessary.
NOTE: Blades should be sharpened and
balanced professionally. Contact your Ariens
Dealer.
To remove blade:
1. Stop engine, wait for all moving parts to
stop, and disconnect spark plug wire.
2. Block blade to prevent rotation.
3. Remove bolt, lock washer, flat washer
and blade from shaft.
To install blade:
1. Replace blade, flat washer, lock washer
and bolt on shaft.
2. Torque bolt to 37.5 - 50 Ibf-ft
(51-68 N°m) (bolt should fully compress
lock washer).
3. Connect spark plug wire.
Sharpen the Mower Blades
CAUTION: DO NOT sharpen
A
mower blades while on unit. An
imbalanced mower blade will
cause excessive vibration and
eventual damage to unit. Check
mower blade balance before
reinstalling blades.
NEVER weld or straighten bent
blades.
1. Remove mower blade from unit.
Discard mower blade if:
More than 1/2 in. (1.27 cm) of metal is
removed.
Air lifts become eroded.
Blade is bent or broken.
2. Sharpen mower blade by removing an
equal amount of material from each end
of mower blade. DO NOT change angle
of cutting edge or round the corner of the
mower blade.
DO NOT Sharpen to This Pattern
1 2
3
DISCARD If More Than
1/2 in. (1.27 cm) 2
3 OT0792
Sharpen to This Pattern
1. Square Corner
2. Cutting Edge
3. Air Lift
4. Air Lift Erosion
Figure 11
GB- 18
3.Checkmowerbladebalance.
Slidemowerbladeonanunthreaded
bolt.Abalancedbladeshouldremainin
ahorizontalposition.Ifeitherendof
mowerblademovesdownward,sharpen
theheavyenduntilbladeisbalanced
(Figure12).
4.Installmowerbladeonunit.
5.Tightentheboltstoatorqueof37.5-
50Ibf-ft(51-68Nom).
Blade
Bolt
Figure12
CHECK DRIVE BELT
(Self-Propelled Models)
Check drive belt and replace if worn or
damaged. See DRIVE BELT
REPLACEMENT on page 20.
CHECK FASTENERS
Check all fasteners for proper tightness. Pay
special attention to blade hardware and all
guards, shields and safety devices.
CHECK AIR CLEANER
See engine manual for specific information.
CHANGE ENGINE OIL
IMPORTANT: Change engine crankcase oil
after first five (5) hours of operation. Then
change oil after every 25 hours of operation.
Refer to engine manual for instructions and
proper oil type.
IMPORTANT: Proper oil level must be
maintained at all times or engine damage will
result. DO NOT overfill. Be sure engine is
level when adding oil.
GENERAL LUBRICATION
Swivel Wheels (911184)
See Figure 13.
Use Mix Hi-Temp Grease or equivalent on the
lube fittings. Order P/N: 00036800 - 3 pack of
3 oz. cartridges.
Lube Fitting
Figure 13
CHECK SPARK PLUG
Spark plug should be replaced every 100
hours of operation or each year.
NOTE: Loose spark plug wire terminals can
cause sparking. Replace terminal if
damaged.
CHECK ENGINE COOLING
WARNING: HOT SURFACES can
cause death or serious injury. DO
NOT TOUCH parts which are hot
from operation. ALWAYS allow
parts to cool.
To prevent overheating, air must circulate
freely around the cooling fins, cylinder head
and block.
Every 100 hours of operation or yearly (more
often if conditions require) remove blower
housing and clean cooling fins. See engine
manual for instructions.
CHECK MUFFLER
Check muffler for debris, cracks, wear, or
other damage.
CAUTION: Replace worn-out
,_ mufflers immediately. Continued
use could result in fire or
explosion.
GB - 19
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