Page 1
Sno-Thro
®
Owner/Operator Manual
Models
932104 - 8524
932502 - 8524
ENGLISH
FRANÇAIS
ESPAÑOL
Transfer
model &
serial number
label from
product
registration
here.
Coller l’autocollant du
modèle et du numéro de
série dans cet encadré.
Transferir aquí la etiqueta
del modelo y número de
serie del registro del
producto.
03249000B 7/03
Supersedes 03249000, A
Printed in USA
Page 2
Ariens Company
655 West Ryan Street
P.O. Box 157
Brillion, Wisconsin
54110-0157
USA
Telephone (920) 756-
2141
Facsimile (920) 756-2407
We the undersigned, ARIENS COMPANY, certify that: – Nous, soussignés ARIENS COMPANY,
certifions que : – Der Unterzeichnete, ARIENS COMPANY, bescheinigt, dass: – La sottoscritta
società, ARIENS COMPANY, certifica che: – Nosotros, los abajo firmantes, ARIENS
COMPANY, certificamos que: – Undertegnede, ARIENS COMPANY, bekrefter at: –
Undertecknad, ARIENS COMPANY, intygar att: – Allekirjoittanut, ARIENS COMPANY,
vakuuttaa, että:
MODEL CERTIFICATE OF CONFORMITY ISSUED BY THE
MANUFACTURER – CERTIFICAT DE CONFORMITÉ DU
MODÈLE DÉLIVRÉ PAR LE FABRICANT – MODELLKONFORMITÄTSBE-SCHEINIGUNG AUSGESTELLT DURCH
DEN HERSTELLER – CERTIFICATO DI COMFORMITÀ DEL
MODELLO RILASCIATO DAL PRODUTTORE – CERTIFICADO DE
CONFORMIDAD DEL MODELO PROVISTO POR EL
FABRICANTE – MODELLSERTIFIKAT FOR
OVERENSSTEMMELSE UTSTEDT AV FABRIKANT –
TILLVERKARENS MODELLCERTIFIKAT OM
ÖVERENSSTÄMMELSE – VALMISTAJAN ANTAMA VAKUUTUS
MALLIN MÄÄRÄYSTEN MUKAISUUDESTA
Type: – Tipo:
– Tyyppi: –
Typ:
Trade Name: – Appellation
commerciale : –
Handelsbezeichnung: – Nome
commerciale: – Nombre comercial: –
Handelsnavn: – Handelsbeteckning: – Kauppanimi:
Model: – Modèle : – Modell: –
Modello: – Modelo: – Modell: –
Modell: – Malli:
Serial # Range: – Gamme de
numéros de Série : –
Seriennummern: – Gamma
n. di serie: – Rango de nº de serie: –
Serienummerområde: –
Serienummer-område: –
Sarjanumerot:
Coforms to: – Conforme à : – Entspricht: – Conforme a: –
Conforme a: – Er i samsvar med: – Uppfyller: – Täyttää
seuraavat vaatimukset:
WALK BEHIND SNOW THROWER – LES CHASSES-NEIGE AUTOTRACTÉS –
HANDGEFÜHRTE SCHNEEFRÄSE – SPAZZANEVE SEMOVENTE –
CAMINAR POR DETRÁS DE LA LANZADORA DE NIEVE – SNØFRESER –
GÅ BAKOM SNÖSLUNGAN – KÄSINOHJAILTAVA LUMILINKO
ARIENS Sno-Thro
932502
> 000101
2
98/37/EC, 89/336/EEC, 92/
31/EEC, 2000/14/EC (V)
Page 3
Representative Measured Sound Power Level
(Lwa) – Niveau de puissance acoustique
représentatif – Repräsentativer gemessener
Geräuschpegel – Livello di potenza sonora
rappresentativo rilevato – Nivel de potencia
acústica representativo medido – Representativt
målt lydeffektnivå – Representativ uppmätt
ljudnivå – Edustava, mitattu äänen tehotaso
932502: 108 dB
A
Guaranteed Sound Power Level (Lwa) –
Niveau garanti de puissance acoustique –
Garantierter Geräuschpegel – Livello di
potenza sonora garantito – Nivel de potencia
acústica garantizado – Garantert lydeffektnivå
– Garanterad ljudnivå – Taattu äänen tehotaso
932502: 110 dB
A
Philip J. Smucker:
Manager of Product Conformance (Keeper of Technical
File) – Responsable de la conformité des produits (en
possession du document technique) – Leiter der
Produktübereinstimmung (Verantwortlicher für die
technische Dokumentation) – Addetto alla conformità
del prodotto (in possesso del documento tecnico) –
Signature – Firma –
Unterschrift – Signatur –
Namnteckning –
Allekirjoitus
5/21/2003
Date –
Data –
Datum –
Fecha –
Dato –
Päiväys
Gerente de conformidad de los productos (en posesión
del documento técnico) – Ansvarlig for produktsamsvar
(innehaver av teknisk fil) – Chef för
produktöverensstämmelse (innehavare av tekniska
dokument) – Tuotteen vaatimustenmukaisuudesta
vastaava johtaja (teknisen tiedoston haltija)
CE Sound and Vibration – Niveau sonore et vibration CE – CE-Geräuschpegel und
Vibrationswerte – Livello sonoro e vibrazioni CE – Sonido y vibración CE – CE-lydnivå og
Vibrasjonsmåling – CE ljudnivå och Vibrations-mätning – CE-melutaso Tärinä
Model: – Modèle : – Modell: – Modello: – Modelo:
932502
– Modell: – Modell: – Malli:
Oper. Ear Sound Pressure (Lpa) in dBA –
Pression acoustique Pression sonore à aux
oreilles de l’opérateur (L
) en dBA –
pa
Geräuschstärke am Ohr des Bedieners (Lpa) in
dBA – Potenza sonora percepita dall’operatore
(Lpa) in. dBA – Presión de sonido en el oído (Lpa)
in dB
– Lydtrykk i førerens øre (Lpa) in. dBA – vid
A
förarens position (Lwa) i dBA – Kuljettajan korvaan
kohdistuva äänipaine (L
)/dB
pa
A
95
Vibration Measure (m/sec2) @ Operator Hands –
Niveau de vibrationaux mains de l’opérateur –
Vibrationswerte An den Händen des Bedieners –
Misura delle vibrazioni alle mani dell’operatore –
Cantidad de vibración en las manos del operador
– Vibrasjonsmåling ved brukerens hender –
Vibrationsmätning vid förarens händer – Tärinä
kuljettajan käsissä
X
Y
Z
2.8
5.9
8.6
3
Page 4
CONTROLS AND FEATURES
z
9
8
10
23
11
7
12
6
5
14
15
13
16
4
17
3
2
18
19
1
22
Figure 1
4
21 20
OS0502
OS2100
Page 5
ENGLISH
1. Traction Drive Clutch
Lever
2. Ignition Switch, push-pull
3. Choke
4. Throttle (Engine Stop)
5. Runner(s)
6. Axle Lock Pin (932104,
502)
7. Belt Cover
8. Headlight (932104, 502)
9. Discharge Chute
Deflector
10. Discharge Chute
11. Impeller
12. Auger
13. Scraper Blade
14. Spark Plug and Wire
15. Primer Bulb
16. Oil Fill and Dipstick
17. Gas Tank and Cap
18. Recoil Starter Handle
19. Attachment Clutch Lever
20. Speed Selector
21. Electric Starter (932104)
22. Chute Crank
23. Fuel Shut-off Valve
FRANÇAIS
1. Levier d’embrayage de
l’entraînement de la
traction
2. Clé de contact,
pousser-tirer
3. Starter
4. Commande des gaz
(arrêt du moteur)
5. Patin(s)
6. Broche de blocage de
l’essieu (932104, 502)
7. Couvercle du courroie
8. Phare (932104, 502)
9. Déflecteur de la goulotte
d’évacuation
10. Goulotte d’évacuation
11. Turbine
12. Rotor
13. Lame racleuse
14. Bougie et fil
15. Poire d’amorçage
16. Tube de remplissage en
huile et jauge
17. Réservoir de carburant
et bouchon
18. Poignée du démarreur
à cordon
19. Levier d’embrayage
de l’outil
20. Sélecteur de vitesses
21. Démarreur électrique
(932104)
22. Manivelle de la goulotte
23. Robinet de carburant
ESPAÑOL
1. Palanca del embrague
de la transmisión de la
tracción
2. Interruptor de encendido,
tiro-empujel
3. Estrangulador
4. Acelerador (parada de
motor)
5. Guía(s)
6. Pasador de traba del eje
(932104, 502)
7. Cubierta de la correa
8. Faro (932104, 502)
9. Deflector de la tolva de
descarga
10. Tolva de descarga
11. Propulsor
12. Sinfín
13. Cuchilla raspadora
14. Bujía y cable
15. Perilla de cebado
16. Llenado de aceite y
varilla medidora
17. Depósito de gasolina
y tapa
18. Manilla de arranque de
retroceso
19. Palanca del embrague
del accesorio
20. Selector de velocidad
21. Arranque eléctrico
(932104)
22. Manivela de la tolva
23. Válvula de corte del
combustible
5
Page 6
TABLE OF CONTENTS
Controls and Features . . . . . . . . . . . . . . . . 4
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . 11
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . 13
Maintenance . . . . . . . . . . . . . . . . . . . . . . . 17
Service and Adjustments. . . . . . . . . . . . . 19
INTRODUCTION
Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Troubleshooting . . . . . . . . . . . . . . . . . . . . 27
Service Parts . . . . . . . . . . . . . . . . . . . . . . . 26
Accessories . . . . . . . . . . . . . . . . . . . . . . . . 26
Specifications . . . . . . . . . . . . . . . . . . . . . . 28
Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . 29
THE MANUAL
Before operation of unit, carefully and
completely read your manuals. If used
improperly, this unit could be dangerous and
cause personal injury or property damage.
The contents will provide you with safety
instructions for the safe use of your unit during
normal operation and maintenance.
All reference to left, right, front, or rear are
given from operator standing in operation
position and facing the direction of forward
travel.
MODEL AND SERIAL NUMBERS
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 printed on a serial number label,
located on the frame of your unit.
Serial
Number
Label
Figure 2
• Record Unit Model and Serial numbers
here.
OS0521
• Record Engine Model and Serial number
here.
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:
register your product, please fill out, sign, and
return the product registration card to Ariens
or go to www.ariens.com.
If the dealer does not
UNAUTHORIZED REPLACEMENT
PARTS
Use only Ariens replacement parts. The
replacement of 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.
For a brief list of replacement parts see
Service Parts
complete parts manual, find your model and
serial number. Then go to www.ariens.com or
call 1-800-678-5443.
in this manual. To obtain a
GB - 6
© Copyright 2003 Ariens Company
Page 7
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 be applicable to your unit.
DELIVERY
Customer Note:
product without complete assembly and
instruction by your retailer, it is your
responsibility to:
1. Read and understand all assembly
instructions in this manual. If you do not
understand or have difficulty following the
instructions, contact your nearest Ariens
Dealer for assistance. Make sure all
assembly has been properly completed.
If you have purchased this
SAFETY
NOTE:
To locate your nearest Ariens Dealer,
call 1-800-678-5443 or go to www.ariens.com
on the internet.
WARNING:
adjustments can cause serious injury.
2. Understand all Safety Precautions
provided in the manuals.
3. Review control functions and operation of
the unit. Do not operate the Sno-Thro
unless all controls function as described
in this manual.
4. Review recommended lubrication,
maintenance and adjustments.
5. Review Limited Warranty Policy.
6. Fill out a Product Registration Card and
return the card to the Ariens Company or
go to www.ariens.com.
Improper assembly or
WARNING:
and feet, always disengage clutches,
shut off engine, and wait for all
movement to stop before unclogging
or working on snow thrower.
Keep hands and feet away from auger
and impeller.
To avoid injury to hands
SAFETY ALERTS
Look for these symbols to point
out important safety precautions.
They mean:
Attention!
Personal Safety Is
Involved!
Become Alert!
Obey The Message!
The safety alert symbols above and signal
words below are used on decals and in this
manual. Read and understand all safety
messages.
DANGER:
HAZARDOUS SITUATION! If not
avoided, WILL RESULT in death or
serious injury.
WARNING:
HAZARDOUS SITUATION! If not
avoided, COULD RESULT in death or
serious injury.
IMMINENTLY
POTENTIALLY
CAUTION:
HAZARDOUS SITUATION! If not
avoided, MAY RESULT in minor or
moderate injury. It may also be used to
alert against unsafe practices.
POTENTIALLY
NOTATIONS
NOTE:
General reference information for
proper operation and maintenance practices.
IMPORTANT:
information required to prevent damage to unit
or attachment.
Specific procedures or
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. Always follow the practices
set forth in this manual.
REQUIRED OPERATOR TRAINING
Original purchaser of this unit was instructed
by the seller on safe and proper operation. 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.
GB - 7
Page 8
SAFETY DECALS AND
LOCATIONS
ALWAYS replace missing or damaged Safety
Decals. Refer to figure below for Safety Decal
locations.
2
Figure 3
DANGER / PELIGRO
3
ROTATING PARTS
Stop engine & remove ignition key
before clearing.
PIECES EN ROTATION
Arreter le moteur et retirer la clé de
contact avant le débourrage.
PIEZAS GIRATORIAS
Detener el motor y sacar la llave
antes de despejar.
DANGER / PELIGRO
ROTATING PARTS
Keep clear of auger while engine is
running.
PIECES EN ROTATION
Ne pas s'approcher du rotor lorsque
le moteur est en marche.
PIEZAS GIRATORIAS
Mantenerse alejado del sinfín
mientras que el motor esté en
marcha.
SÉCURITÉ SEGURIDAD
SAFETY
• Read operator's manual.
• Lire le manuel du
l’opérateur.
• Allow operation only by
• Seuls les adultes
properly trained adult,
recu la formation
never children.
appropriée peuvent
• Stop engine and remove
utiliser la machine,
ignition key prior to
jamais les enfants.
leaving operator's
• Toujours arrêter le
position for any reason.
moteur et retirer la clé de
contact avant de quitter
• Keep all controls, guards
le siège de l'opérateur.
and safety devices
properly serviced and
• Les commandes,
functional.
protections et dispositifs
de sécurité doivent
• Never direct discharge
toujours être
towards persons or
correctement entretenus
property that may be
et en bon
injured or damaged by
fonctionnement.
thrown objects.
• Ne jamais orienter la
goulotte d'évacuation
vers des personnes pour
éviter tout risque de
blessure par des objets
projetés ou vers des
bâtiments pour éviter de
les endommager.
état de
ayant
08093900
• Leer el manual del
operador.
• Permitir la operación
sólo por adultos
entrenados, nunca
niños.
• Parar el motor y sacar la
llave de la ignición antes
de dejar el puesto del
operador por cualquier
motivo.
• Mantener todos los
controles, protectores y
dispositivos de
seguridad correctamente
y en buen
funcionamiento.
• Nunca dirigir la descarga
hacia personas que
puedan lesionarse o
propiedad que pueda
dañarse por los objetos
arrojados.
1
08094000A
OS2350
1. DANGER! 2. WARNING!
ROTATING PARTS.
Keep clear of auger while engine
is running.
• Read Operator’s Manual.
OS2080
• Allow operation only by
properly trained adult, never
children.
• Stop engine and remove
ignition key prior to leaving
the operator’s position for
any reason.
• Keep all controls, guards and
safety devices properly
serviced and functional.
• Never direct discharge
towards persons or property
that may be injured or
damaged by thrown objects.
GB - 8
Read Owner/Operator Manual.
OL1801
Keep people away from unit while
operating. Keep children out of
work area and under watchful
care of a responsible adult.
OL4370
Never direct discharge towards
persons or property that may be
injured or damaged by thrown
objects.
OL0910
Page 9
Stop engine, remove key, read
manual before making any
repairs, adjustments.
OL4010
Wear appropriate hearing
protection.
OL4690
3. DANGER!
ROTATING PARTS! Stop engine
and remove key before clearing.
High speed impeller rotates
below discharge opening. Wait
for all moving parts to stop
before removing clogs or
OS2070
servicing.
SAFETY RULES
Read, understand, and follow all safety
practices in Owner/Operator Manual before
beginning assembly or operating. Failure to
follow instructions could result in personal
injury and/or damage to unit.
ALWAYS remove key and/or wire from spark
plug before assembly, maintenance or service.
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
ALWAYS check overhead and side clearances
carefully before operation. ALWAYS be aware
of traffic when operating along streets or
curbs.
Keep children and people away. Keep children
out of work area and under watchful care of a
responsible adult.
NEVER allow children to operate or play on or
near unit. Be alert and shut off unit if children
enter area.
DO NOT allow adults to operate unit without
proper training.
Keep area of operation clear of all toys, pets,
and debris. Thrown objects can cause injury.
Check for weak spots on docks, ramps or
floors. Avoid uneven work areas and rough
terrain. Stay alert for hidden hazards.
Avoid uneven and rough terrain. DO NOT
operate near drop offs, ditches, or
embankments. Unit can suddenly turn over if a
wheel is over the edge of a cliff or ditch, or if
an edge caves in.
Falling snow, fog, etc. can reduce vision and
cause an accident. Operate unit only when
there is good visibility and light.
Only trained adults may operate unit.
Training includes actual operation.
NEVER operate unit after or during the use of
medication, drugs or alcohol. Safe operation
requires your complete and unimpaired
attention at all times.
NEVER allow anyone to operate this unit when
their alertness or coordination is impaired.
DO NOT operate unit without wearing
adequate winter outer garments. Wear
adequate safety gear, including safety glasses
with side shields, and protective gloves. Wear
proper footwear to improve footing on slippery
surfaces.
DO NOT wear loose clothing or jewelry and tie
back hair that may get caught in rotating parts.
Protect eyes, face and head from objects that
may be thrown from unit. Wear appropriate
hearing protection.
Avoid sharp edges. Sharp edges can cut.
Moving parts can cut off fingers or a hand.
ALWAYS keep hands and feet away from all
rotating parts during operation. Rotating parts
can cut off body parts.
NEVER place your hands or any part of your
body or clothing inside or near any moving
part while unit is running.
ALWAYS keep hands away from all pinch
points.
DO NOT touch unit parts which might be hot
from operation. Allow parts to cool before
attempting to maintain, adjust or service.
Never direct discharge towards persons or
property that may be injured or damaged by
thrown objects. Use extreme caution on gravel
surfaces. Stay alert for hidden hazards or
traffic. Adjust Runners so Scraper Blade does
not contact gravel.
DO NOT throw snow any higher than
necessary.
Deflected materials can cause injury and
property damage.
Always stand clear of the discharge area when
operating this unit.
GB - 9
Page 10
Fumes from engine exhaust can cause injury
or death. DO NOT run engine in an enclosed
area. Always provide good ventilation.
ALWAYS disengage attachment, stop unit and
engine, remove key and allow moving parts to
stop before leaving operator’s position.
ROTATING IMPELLER CAN CAUSE
SERIOUS INJURY. NEVER ATTEMPT TO
UNCLOG OR CLEAN UNIT WHILE ENGINE
IS RUNNING.
Read, understand, and follow all instructions in
the manual and on the machine before
starting.
Understand:
• How to operate all controls.
• The functions of all controls.
• How to STOP in an emergency.
Before starting engine, disengage control(s).
Use only approved extension cords and
receptacles when starting units equipped with
electric starter. DO NOT connect electric
starter cord to any wiring system that is not a
three-wire grounded system.
ALWAYS allow unit and engine to adjust to
outdoor temperatures before clearing snow.
Always be sure of your footing, especially
when operating in reverse or leaving the
operator’s position. Walk, never run during
operation.
DO NOT overload the machine capacity by
attempting to clear snow at too fast a rate.
DO NOT operate at too fast a rate.
Slow down and turn corners slowly.
Do not operate in reverse unless absolutely
necessary. ALWAYS back up slowly. Always
look down and behind before and while
backing.
Disengage attachment drive when traveling
from one work area to another.
Abnormal Vibrations are a warning of trouble.
Striking a foreign object can damage unit.
Immediately stop unit and engine. Remove
key and wait for all moving parts to stop.
Remove wire from spark plug. Inspect unit and
make any necessary repairs before restart.
Before cleaning, removing clogs or making
any inspections, repairs, etc.: disengage
clutch(es), stop unit and engine, remove
key, allow moving parts to stop. Allow hot
parts to cool.
Run unit a few minutes after clearing snow to
prevent freeze-up of attachment.
Disengage attachment when not in use.
Disengage all clutches before starting engine.
Adjust runners to clear gravel or crushed rock
surfaces safely.
Never leave a running unit unattended.
ALWAYS shut off engine before leaving unit.
ALWAYS remove key to prevent unauthorized
use.
Never carry passengers.
Check clutch and brake operation frequently.
Adjust and service as required. All motion of
drive wheels and auger/impeller must stop
quickly when control levers are released.
DO NOT operate on steep slopes. DO NOT
clear snow across the face of slopes. Keep all
movement on slopes slow and gradual. DO
NOT make sudden changes in speed or
direction. Use a slow speed to avoid stops or
shifts on slopes. Avoid starting or stopping on
a slope.
DO NOT park unit on a slope unless
absolutely necessary. When parking on a
slope always block the wheels.
ALWAYS shut off engine, remove key, and
close fuel shut-off valve or drain fuel when
transporting unit on a truck or trailer.
Use extra care when loading or unloading unit
onto trailer or truck.
Secure unit chassis to transport vehicle.
NEVER secure from rods or linkages that
could be damaged.
DO NOT transport machine while engine is
running.
Keep unit free of ice or other debris. Clean up
oil or fuel spills.
This product is equipped with an internal
combustion type engine. DO NOT use unit on
or near any unimproved, forest-covered or
brush covered land unless exhaust system is
equipped with a spark arrester meeting
applicable local, state or federal laws. A spark
arrester, if it is used, must be maintained in
effective working order by operator.
Fuel is highly flammable and its vapors are
explosive. Handle with care. Use an approved
fuel container.
NO smoking, NO sparks, NO flames. ALWAYS
allow engine to cool before servicing.
NEVER fill fuel tank when engine is running or
hot from operation.
NEVER fill or drain fuel tank indoors.
Replace fuel cap securely and clean up spilled
fuel.
GB - 10
Page 11
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.
If fuel is spilled on clothing, change clothing
immediately.
Before tipping unit up onto housing, remove
fuel so no spills will occur. Ensure unit is
secure and will not tip over during
maintenance.
ALWAYS keep protective structures, guards,
and panels in good repair, in place and
securely fastened. NEVER modify or remove
safety devices.
DO NOT change engine governor settings or
over-speed engine.
ASSEMBLY
WARNING:
and understand the entire
section before proceeding.
WARNING:
boxed unit could result in personal
injury or damage to unit.
AVOID INJURY. Read
Dropping or tipping over
Safety
Fumes from engine exhaust can cause injury
or death. DO NOT run engine in an enclosed
area. Always provide good ventilation.
ALWAYS maintain unit in safe operating
condition. Damaged or worn out muffler can
cause fire or explosion.
Keep all hardware properly tightened. Check
shear bolts frequently.
Maintain or replace safety and instruction
labels, as necessary.
NEVER store unit with fuel in fuel tank, inside
a building where any ignition sources are
present.
Shut off fuel and allow engine to cool
completely before storing in closed area or
covering unit.
For extended storage, clean unit thoroughly.
See Engine Manual for proper storage.
Use only attachments or accessories
designed for your unit.
Check components frequently. If worn or
damaged, replace with manufacturer’s
recommended parts.
6. Rotate handlebar up so wing knob holes
align. Install and tighten all wing knobs.
7. Install wing nut and bolt removed in step 2
onto shift rod and tighten hardware.
4
5
2
Tools Required:
• Pliers
• Open-End Wrenches: 3/8, 7/16, 1/2, 9/16"
and/or Adjustable Wrench
• Tire Gauge
ASSEMBLY
Handlebar and Shift Rod
1. Remove lower wing knobs on handlebar
assembly (Figure 4).
2. Remove upper wing nut and bolt on shift
rod.
3. Loosen upper wing knobs on handlebar.
4. Loosen lower wing nut and bolt on shift
rod.
5. Put speed selector lever into fastest
reverse panel notch.
GB - 11
2
3
6
1. Handlebar
Assembly
2. Wing Knobs
3. Wing Nut
1
OS0901
4. Speed Selector
5. Bolt
6. Shift Rod
Figure 4
Page 12
Install Discharge Chute and Crank
Figures 5 and 6.
1. Grease discharge chute ring on blower
housing (if not already greased).
2. Remove mounting hardware from top of
engine.
3. Slide chute ring under retainer clip on
blower housing and put chute on housing.
4. Secure chute by fastening chute strap to
engine with hardware just removed.
NOTE:
Washers and lock nuts go on top of
chute strap.
5. Loosen mounting nut on chute and move
chute up or down so that chute ring is
approximately centered between retainer
clip and lower ring and tighten.
6. Slide chute crank rod through bracket
under handlebar and through hole in
panel.
7. Align chute crank rod with the universal
joint on chute and fasten with spring clip.
2
1
6
1. Mounting
Hardware
2. Discharge
Chute Crank
3. Chute Strap
3
Figure 5
4
5
OS1751
4. Gear Cover
5. Discharge
Chute
Bracket
6. Engine
Bracket
Check Function of Dual Handle
Interlock
Without the engine running, press down
(engage) both clutch levers. Release
attachment clutch lever. Attachment clutch
should remain engaged until traction clutch
lever is released, then both clutches
disengage. If they do not, contact your dealer
for repairs.
must
11
10
9
8
6
5
1. Pinion Bracket
2. Gear Strap
3. Chute Bracket
4. Retainer Clip
5. Lower Ring
6. Chute Ring
12
7
Figure 6
1
2
3
4
DS0112
7. Mounting Nut
8. Flat Gear
9. Pinion
10.Chute Strap
11.Universal Joint
12.Spring Clip
Check Tire Pressure
Check tire pressure and adjust to the pressure
listed on tire sidewall.
Check Auger Gearcase Oil
Check oil level in auger gearcase (see
and Adjustments
).
Service
Check Engine Crankcase Oil
IMPORTANT:
5W-30 oil in crankcase. Refer to Engine
Manual for detailed instructions.
The engine is shipped with
Fill Engine Fuel Tank
Refer to Engine Manual for proper fuel type
and tank capacity.
Check Function of all Controls
Ensure unit runs and performs properly. Refer
to
Operation
.
Run-in Attachment Belt
1. Start unit in a well-ventilated area
according to
Operation
2. Engage attachment clutch lever and run
attachment for about 15 minutes.
3. Stop unit, wait for all moving parts to stop,
and remove spark plug wire.
4. Adjust clutch according to
Clutch/Brake Adjustment
Adjustments.
Starting and Shut-Off
.
in
in
Attachment
Service and
GB - 12
Page 13
OPERATION
WARNING: AVOID INJURY. Read and
understand the entire Safety section
before proceeding.
WARNING: To avoid injury to hands
and feet, always disengage clutches,
shut off engine, and wait for all
movement to stop before unclogging
or working on snow thrower.
Keep hands and feet away from auger
and impeller.
CONTROLS AND FEATURES
See Figure 1 for all Controls and Features
locations.
Dual Handle Interlock
When Attachment Clutch and then Traction
Drive Clutch are engaged, the Attachment
Clutch will remain engaged (lever down) if
released. To stop attachment, release Traction
Drive Clutch and both clutches will disengage.
Traction Drive Clutch - Left Hand
Lever
Squeeze the Traction
2
1
NOTE:
When traveling to or from the area to
be cleared, press down on the handlebars
enough to raise the front of the unit slightly off
the surface. Engage the traction drive clutch
without engaging the attachment drive clutch.
Attachment Clutch - Right Hand Lever
Drive Clutch Lever
against the Handlebar
(1) to engage wheel
drive for propelling unit.
Forward speed will vary
according to snow depth
and moisture content.
Release lever (2) to stop
OL2701
movement.
Squeeze Attachment
2
Clutch Lever against
handlebar (1) to engage
attachment. Release
both clutch levers (2) to
disengage power and
apply brake to
1
attachment.
OL2691
IMPORTANT:
If the belt squeals when the
attachment clutch lever is engaged, the
attachment drive may be frozen. Immediately
release the attachment clutch lever and move
the unit into a heated area to thaw.
Ignition Switch
Key Switch has two positions:
1. “Stop” - pulled out
2. Run - pushed in
2
NOTE:
DO NOT twist key after
it is inserted.
1
OS1431
Primer Bulb
Pushing the primer bulb in adds
fuel for easier engine start.
Refer to
Starting and Shut Off
OS1321
.
Speed Selector
The Speed Selector controls the unit travel in
a forward or reverse direction when positioned
in notch of speed.
Forward:
6
5
4
3
(6) Fastest
(1) Slow
Reverse:
(1) Slow
(2) Fast
2
1
IMPORTANT:
change motion from
DO NOT
forward to reverse with
clutch engaged.
Forward speed can be
1
2
OS1191
changed without
declutching.
Choke Control Knob
1. Choke Closed position:
chokes off air to engine for
2
easier start.
2. Choke Open position:
1
allows for normal
operation.
IMPORTANT:
open choke after engine
starts.
OS1332
Gradually
GB - 13
Page 14
Throttle
The throttle controls the engine
1
speed. To increase or decrease
the engine speed, adjust to:
2
1. Fast (normal or warm starts)
2. Part-Throttle
3. Slow (cold weather starts)
3
4. Stop (engine is off)
4
STOP
OL2720
Electric Starter (932104)
The electric starter will start a properly choked
and cranked engine when the starter button is
pushed. Refer to Starting and Shut-Off.
Recoil Starter Handle
When pulled, handle will turn engine over.
IMPORTANT: DO NOT let handle snap back
against starter.
Discharge Chute Deflector
ALWAYS position discharge chute deflector at
a safe angle before starting engine.
DO NOT throw snow any higher than
necessary.
Push deflector handle forward or down to
throw snow lower. Pull deflector handle up or
to the rear to throw snow higher.
IMPORTANT: If Chute Deflector does not stay
in set position, adjust as directed in Service
and Adjustments, or repair before operation.
Discharge Chute
Discharge chute rotates 220°.
ALWAYS position discharge chute in safe
direction and angle, away from operator and
bystanders, before starting engine.
Chute Crank
IMPORTANT: If chute does not stay in set
position, adjust as directed in Service and
Adjustments, or repair before operation.
Rotate the Chute with Discharge Chute Crank
Handle.
IMPORTANT: DO NOT force frozen chute
controls. Start engine and run for 3-5 minutes
to thaw. If still frozen, take to warm place until
controls are free.
Axle Lock Pin (Figure 7)
Wheel Unlocked
Wheel Locked
Figure 7
Axle
Lock
Pin
Scraper Blade
The scraper blade allows the back of the
housing to keep better contact with the surface
being cleared. It also prevents damage to the
housing from normal wear.
IMPORTANT: DO NOT allow Scraper Blade to
wear too far or Auger/Impeller housing will
become damaged.
Runners
The runners control the distance between the
scraper blade and the ground. Adjust runners
equally to keep blade level with the ground.
Refer to Pre-Start for recommended settings.
Use the axle lock pin to lock or unlock the right
wheel. Lock the right wheel to increase
traction; unlock the right wheel to allow for
easier turning of the unit.
GB - 14
Page 15
FILLING FUEL TANK
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
Fuel Shut-Off Valve
IMPORTANT: The fuel shut-off valve MUST be
in the closed position prior to transporting the
unit.
The fuel shut-off valve has two positions:
• Closed Position: Use this position to
service, transport, or store the unit.
• Open Position: Use this position to run the
unit.
To add fuel to fuel tank:
1. ALWAYS place unit in open or well
ventilated area.
2. Stop engine and allow to cool.
3. Clean Fuel Cap and surrounding area to
prevent dirt from entering Fuel Tank.
4. Remove Cap.
IMPORTANT: DO NOT use gasohol or
gasoline containing alcohol. See Engine
Manual for correct type and grade of fuel.
5. Fill fuel tank to within 1/2 in. (1.2 cm)
below bottom of filler neck with unleaded
gasoline.
NOTE: Tank capacity is 1 gallon (3.8 liters).
6. Replace Fuel Cap and tighten.
7. ALWAYS clean up any spilled fuel.
PRE-START
1. Frozen Impeller
IMPORTANT: Before starting engine, check
impeller to be sure it is not frozen.
To check impeller:
1. With key in “Stop” position, squeeze
Attachment Clutch Lever to Engaged
position.
2. Pull Recoil Starter Handle.
3. If Impeller is frozen, (cannot pull Starter
Handle) move unit to a heated area and
thaw to prevent possible damage.
2. Check Function of Clutches
If clutches do not engage or disengage
properly, adjust or repair before operation (see
Service and adjustments).
3. Check Dual Handle Interlock
Without the engine running, press down
(engage) both clutch levers. Release
attachment clutch lever. Attachment clutch
should remain engaged until traction clutch
lever is released, then both clutches must
disengage.
If clutches do not engage or disengage
properly, adjust or repair before operation (see
Service and Adjustments).
4. Adjust Axle Lock
Use the axle lock pin to lock or unlock the right
wheel. Lock the right wheel to increase
traction; unlock the right wheel to allow for
easier turning of the unit.
5. Adjust Runners
Check and adjust Runners (see Service and
Adjustments). Allow 1/8 in. (3 mm) between
scraper blade and hard, smooth surface(s).
Allow 1-1/4 in. (30 mm) between scraper blade
and uneven or gravel surfaces.
6. Check Engine Fuel & Crankcase Oil
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
Check and add fuel if required. Check that the
engine crankcase oil is full using dipstick.
Refer to Engine Manual for detailed
instructions.
TO STOP IN AN EMERGENCY
Immediately release both control levers to stop
unit in an emergency. Stop engine, remove
key and wait for all rotating parts to stop before
leaving operator’s position.
STARTING AND SHUT OFF
WARNING: FAILURE TO FOLLOW
INSTRUCTIONS could result in
personal injury and/or damage to
unit. DO NOT attempt to start your
unit at this time. Read entire
Owner/Operator Manual and the
Engine Manual first.
IMPORTANT: Allow unit and engine to adjust
to the outdoor temperatures before clearing
snow. Before shut-off, run the attachment a
few minutes to prevent freeze-up.
NOTE: Try out each control without the engine
running to see how it works and what it does.
Manual Start
1. Turn discharge chute straight ahead.
GB - 15
Page 16
2. Make sure that the traction clutch and
attachment drive clutch levers are fully
disengaged.
3. Push Primer Bulb 2 or 3 times for cold
engine.
NOTE: When temperature is below -15˚ F
(-26˚ C) additional priming may be needed.
4. If engine is cold, apply choke. See Engine
Manual for detailed instructions.
NOTE: A warm engine requires less choking
than a cold engine.
5. Set throttle to proper starting position.
6. Insert key into ignition switch and push
into RUN position. DO NOT twist key after
it is inserted.
7. Grasp starter handle and pull rope out
slowly until it pulls harder. Let rope rewind
slowly.
8. Pull rope with a rapid continuous full arm
stroke. Let rope rewind slowly.
IMPORTANT: DO NOT let Starter Handle
snap against Starter.
9. Repeat steps 7 and 8 until engine starts.
(If engine does not start, refer to
Troubleshooting.)
10. Adjust choke as needed.
11. Set throttle to Part Throttle or Slow
position for adaptation to outside
temperature or travel. Set throttle to Fast
position for normal operation.
Electric Start
1. Connect extension cord to prongs on
starter.
IMPORTANT: Prevent damage to unit. Know
voltage of your starter and only use matching
outlets.
2. Plug extension into 120V 3-wire,
grounded outlet.
3. Turn discharge chute straight ahead.
4. Make sure that the traction clutch and
attachment drive clutch levers are fully
disengaged.
5. Push Primer Bulb 2 or 3 times for cold
engine.
NOTE: When temperature is below -15˚ F
(-26˚ C) additional priming may be needed.
6. Insert key into ignition switch on engine
and push into "Run" position. DO NOT
twist key after it is inserted.
7. If engine is cold, apply choke. A warm
engine requires less choking than a cold
engine. See Engine Manual for detailed
instructions.
8. Set throttle to proper starting position.
9. Press starter button on engine until
engine starts.
IMPORTANT: DO NOT operate starter more
than 15 seconds per minute, as overheating
and damage can occur. (If engine does not
start, refer to Troubleshooting.)
10. Adjust choke as needed.
11. Disconnect power cord from outlet, then
starter.
12. Set throttle to Part Throttle or Slow
position for travel or adaptation to outside
temperature. Once achieved, set throttle
to Fast position for normal operation.
Shut Off
1. Release Traction Drive Clutch Lever and
allow unit to come to a complete stop.
2. Run Impeller a few minutes after use to
prevent freeze-up of Impeller.
3. Release Attachment Clutch Lever and
wait for all moving parts to come to a
complete stop.
4. Move Throttle to the “Stop” position.
5. Remove key.
SNOW REMOVAL
IMPORTANT: Allow unit and engine to adjust
to the outdoor temperatures before clearing
snow.
NOTE: Attachment clutch should be engaged
before wheel drive clutch when throwing snow.
1. Select Speed Control position and
direction.
2. Engage Attachment Clutch - Right Hand
Lever.
3. Engage Traction Drive Clutch - Left Hand
Lever.
IMPORTANT: DO NOT overload unit capacity
by attempting to clear snow at too fast a rate.
Use slow speed to clear deep or hard packed
snow.
Tips for Operation
Snow is best removed as soon as possible
after snow fall.
To clear an area, run unit in an overlapping
series of paths. For large areas; start in the
middle and throw snow to each side, so snow
is not cleared more than once.
ALWAYS direct snow away from area to be
cleared and with direction of the wind.
TRAVELING
To travel from one work area to another:
1. Set Throttle to Slow or Part-Throttle
position.
GB - 16
Page 17
2. Press down on handlebars enough to
raise front of unit slightly off surface.
3. Engage wheel drive clutch without
engaging attachment drive clutch.
TRANSPORT
ALWAYS shut off engine, remove key, and
close fuel shut-off valve when transporting unit
on a truck or trailer.
MAINTENANCE
Ariens Dealers will provide any service or
adjustments which may be required to keep
your unit operating at peak efficiency. Should
engine service be required, contact an Ariens
dealer or an authorized engine manufacturer's
service center.
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
SERVICE POSITION
WARNING: Before tipping unit up
onto housing, remove fuel so no
spills will occur. Ensure unit is
secure and will not tip over during
maintenance.
Place unit on a flat level surface. Tip unit
forward onto front of impeller housing for
service. Assure unit is secure and will not tip
over. Strap and clamp onto bench if needed.
MAINTENANCE SCHEDULE
The chart below shows the recommended
maintenance schedule that should be
performed on a regular basis. More frequent
service may be required.
Use extra care when loading or unloading unit
onto trailer or truck.
Secure unit chassis to transport vehicle.
NEVER secure from rods or linkages that
could be damaged.
DO NOT transport machine while engine is
running.
MAINTENANCE SCHEDULE
Service
Performed
Check Dual
Handle
Interlock
Check
Fasteners
Check
Clutches
Clean Engine •
Check Engine
Oil
Change
Engine Oil
Check Tire
Pressure
Check Auger
Gearcase
General
Lubrication
Each
Use
•
•
•
Every
5 hrs.
•
*
Every
Yearly
25
hrs.
•
•
••
••
* After first two hours of operation.
CHECK DUAL HANDLE
INTERLOCK
Without the engine running, press down
(engage) both clutch levers. Release
attachment clutch lever. Attachment clutch
should remain engaged until traction clutch
lever is released, then both clutches must
disengage.
CHECK FASTENERS
Make sure all hardware is tightened properly.
GB - 17
Page 18
CHECK CLUTCHES
Auger / impeller must stop within 3 seconds
when attachment clutch/impeller brake lever is
released.
Wheels must stop quickly when traction drive
clutch lever is released.
If clutches do not engage or disengage
properly, adjust or repair before operation (see
Service and Adjustments).
CLEAN ENGINE
Refer to Engine Manual for detailed
instructions.
CHECK ENGINE OIL
The engine crankcase oil should be checked
every 5 hours of operation. Oil level MUST be
maintained in safe operating range on dipstick
at all times or engine damage will result (See
Engine Manual).
Park unit on a level surface. Refer to Engine
Manual for detailed instructions.
CHECK AUGER GEARCASE
IMPORTANT: Proper oil level must be
maintained.
Gear cases are filled to the correct level at the
factory. Unless there is evidence of leakage,
no additional lubricant should be required.
Check oil level each season or every 25 hours
of operation.
To ensure adequate lubricant level:
1. Remove filler plug (Figure 8). Lubricant
must be at least up to bottom of lubricant
filler hole with unit resting on a
level-surface.
2. Add lubricant if required. Allow oil to drain
to level of plug and replace plug.
IMPORTANT: Use only Ariens special gear
lubricant L-2 (Part Number 00008000).
1
CHANGE ENGINE OIL
Change oil after first 2 hours of operation,
thereafter change oil every 25 hours (more
often if required). Refer to Engine Manual for
detailed instructions.
Run engine just prior to changing oil. Warm oil
will flow more freely and carry away more
contamination.
CHECK TIRE PRESSURE
Keep tires at pressure listed on the tire
sidewall.
1. Auger Gearcase
2. Filler Plug
Figure 8
2
OS1870
GB - 18
Page 19
GENERAL LUBRICATION
IMPORTANT: Wipe each fitting clean before
and after lubrication.
IMPORTANT: DO NOT allow grease or oil to
get on friction disc, friction plate or belts.
NOTE: Apply Stens Mix Hi-Temp Grease or
equivalent to the lubrication fittings. See
Service Parts.
Sno-Thro should be lubricated (Figure 9) at
beginning of season or every 25 operating
hours.
Auger Shaft
NOTE: To grease auger shaft, remove shear
bolt nuts, and shear bolts. Turn auger on shaft
while applying grease at zerk fittings. Replace
shear bolt per instructions in Service and
Adjustments.
Grease
Oil
Figure 9
SERVICE AND ADJUSTMENTS
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
DISCHARGE CHUTE DEFLECTOR
Deflector must stay in selected position while
throwing snow.
To adjust, loosen then retighten hardware to
desired deflector drag force (Figure 10).
OS1731
OS1373
DISCHARGE CHUTE
Adjusting Hardware
Discharge Chute
Deflector
Figure 10
If chute does not stay in position while
operating, tighten nut on carriage bolt at pivot
point to increase tension on spring (Figure 11).
OS0113
GB - 19
Page 20
Smooth and easy rotation of properly
lubricated chute with crank is obtained by
adjusting pinion and chute gear teeth so they
mesh together.
1
2
3
4
1. Pinion
2. Chute Gear
3. Carriage Bolt
4. Spring
Figure 11
DS0113
RUNNERS
Runners should be adjusted (Figure 12) as
conditions require.
1. Position unit on a hard, flat, smooth level
surface.
2. Adjust runners by inserting a spacer of
desired thickness under center of scraper
blade, loosen runner hardware, slide
runners to flat surface. Allow 1/8 in.
(3 mm) between scraper blade and hard
smooth surfaces. Allow 1-1/4 in. (30 mm)
between scraper blade and uneven or
gravel surfaces. Retighten hardware.
NOTE: Keep housing level by adjusting
runners equally.
SCRAPER BLADE
IMPORTANT: Damage to auger/impeller
housing will result if blade wears down too far.
Scraper blade is adjustable to compensate for
wear.
To adjust scraper blade:
1. Tip unit back onto handlebar, support
housing and loosen nuts retaining blade.
2. Adjust runners to fully raised position
(housing closest to ground).
3. Reposition scraper blade flush with
runners and tighten lock nuts.
SHEAR BOLTS
IMPORTANT: Use only Ariens shear bolts for
replacement. Use of any other type of shear
bolt may result in severe damage to unit.
Occasionally a foreign object may enter the
auger/impeller housing and jam the auger,
breaking shear bolts (Figure 13) which secure
the auger to the shaft. This allows auger to
turn freely on the shaft preventing damage to
gear drive.
For Replacement:
1. Slide auger outward against roll pin and
align hole in shaft with hole in auger
(holes in shaft for roll pins and shear bolts
line up).
2. Drive shear bolt through hole (if shear bolt
was broken this will drive remaining part
from shaft).
3. Secure shear bolt with nut.
3
2
1
1. Runner
2. Runner Hardware
Figure 12
GB - 20
1
2
OS0402
1. Auger
2. Shear Bolts
3. Roll Pin
Figure 13
Page 21
SPEED SELECTOR ADJUSTMENT
3
4
2
1
1. Shift Rod
2. Adjustment Pivot Pin
3. Speed Selector Lever
4. Hairpin
Figure 14
To adjust (Figure 14):
1. Remove hair pin from adjustment pivot
pin.
2. Pull shift rod and adjustment pivot pin out
of speed selector lever.
3. Place the speed selector in the fastest
forward speed position.
4. Pull the shift rod straight down towards
the ground as far as it will go.
5. Thread the adjustment pivot pin along the
shift rod until it aligns with the mating hole
on the speed selector lever.
6. Reinsert the pivot pin into the hole on the
speed selector lever.
7. Check forward and reverse speeds.
a. Start unit.
b. Shift speed selector into first forward
speed.
c. Engage traction clutch. Unit should
move forward.
d. Stop unit.
e. Shift speed selector into first reverse
speed.
f. Engage traction clutch. Unit should
move backward.
g. Shut off unit.
OSs0194
8. Adjust pivot pin as needed so unit travels
forward when speed selector lever is in
first forward position and backward when
speed selector lever is in first reverse
position.
9. Secure adjustment pivot pin to speed
selector lever with hairpin.
ATTACHMENT DRIVE BELT
REPLACEMENT
Remove Attachment Drive Belt
(Figures 15 and 16)
1. Shut off engine, remove key, disconnect
spark plug wire and allow unit to cool
completely.
2. Remove two screws securing belt cover
to unit and remove belt cover.
3. Remove spring pin from chute crank rod
assembly at universal joint and separate.
4. Remove hardware holding chute strap to
engine mounting bracket and lift
discharge chute off housing.
5. Remove belt finger by removing cap
screws mounting belt finger to engine.
6. Remove attachment drive belt from
engine sheave (it may be necessary to
turn engine sheave using recoil starter
handle).
CAUTION: Always support
Sno-Thro frame and housing when
loosening the cap screws holding
them together. Never loosen cap
screws while unit is in service
position.
IMPORTANT: To avoid bending bottom cover,
when tipping unit apart, support handlebars
firmly or tip unit up on housing and remove
bottom cover by removing four cap screws
before separating unit.
7. Support Sno-Thro frame and housing.
8. Remove top two cap screws and loosen
lower cap screws holding blower housing
to frame (one on each side).
9. Separate housing from unit. Lower
handlebar on floor.
10. Remove attachment drive belt from lower
pulley (hold brake away from belt).
GB - 21
Page 22
1
2
3
8
9
5
4
6
7
1. Pinion and Gear
2. Spring Clip Pin
3. Chute Crank
4. Chute Strap
5. Chute Strap Mounting Hardware
6. Housing Bolt Holes
7. Bottom Cover
8. Belt Cover
9. Universal Joint
Replace Attachment Drive Belt
1. Place new belt onto lower pulley and
while holding brake out of way, tip unit
together.
2. Secure blower housing to frame with cap
screws.
3. Place belt onto engine sheave.
4. Make sure engine sheave and attachment
pulley align. If alignment is necessary,
loosen engine sheave set screws,
reposition sheave and retighten set
screws.
5. Replace belt finger.
IMPORTANT: BELT FINGER MUST BE
between 1/16 to 1/8 in. (1.6–3 mm) from belt
with attachment clutch engaged or belt
grabbing may occur causing impeller to rotate
while attachment clutch is disengaged
(Figure 16).
6. Adjust clutch per Attachment
Clutch/Impeller Brake Adjustment below.
7. Reinstall chute strap and mounting
hardware onto engine.
8. Replace chute crank and secure with
spring pin.
9. Replace belt cover and secure with
screws.
Figure 15
3
OS0802
4
5
6
7
1. Attachment Belt Idler
2. Belt Finger
3. Attachment Drive Belt
4. Traction Drive Belt
5. Camshaft Pulley
6. Engine Sheave
7. Traction Belt Idler
8. Attachment Pulley
2
9. Attachment Idler Nut
1
9
8
Figure 16
OS0464
GB - 22
Page 23
TRACTION DRIVE BELT
REPLACEMENT
NOTE: Housing and frame must be tipped
apart and attachment drive belt removed from
engine sheave in order to change traction
drive belt (Figures 15 & 16).
CAUTION: Always support
Sno-Thro frame and blower housing
when loosening the cap screws
holding them together. Never loosen
cap screws while unit is in service
position.
1. Remove attachment drive belt (See
Remove Attachment Drive Belt).
2. Pull idler away from traction drive belt and
remove belt from idler, camshaft pulley
and driven pulley (it may be necessary to
turn camshaft pulley using recoil starter
handle).
NOTE: To gain clearance, engage traction
clutch and if necessary pull back attachment
idler arm clevis pin.
3. Replace traction drive belt making sure
pulleys align. If alignment is necessary,
loosen camshaft pulley set screws,
reposition pulley and retighten set screws.
4. Replace attachment drive belt (See
Replace Attachment Drive Belt).
ATTACHMENT CLUTCH/BRAKE
ADJUSTMENT
WARNING: IMPROPER
ADJUSTMENT could result in
unexpected movement of auger and
impeller causing death or serious
injury. Auger / impeller must stop
within 3 seconds when Attachment
Clutch/Impeller Brake lever is
released.
WARNING: Adjustment procedure
requires the engine to be run with
the belt cover off. Read, understand
and follow all Operational, Fuel and
Maintenance and Service Safety
Rules before adjusting your unit.
1. Remove belt cover.
2. Check belt alignment (Figure 16).
Engine sheave and attachment pulley
must align vertically. Also, belt must be
centered in the idler pulley.
To align, move engine sheave:
a.Loosen set screws.
b.Slide sheave and key to desired
position.
c.Tighten set screws.
3. Adjust cable slack.
IMPORTANT: The clutch cable must be slack
when lever is disengaged.
a.With the clutch lever disengaged,
loosen control cable mounting nuts
(Figure 19).
b.Pull up on cable body to remove cable
slack.
c.Finger tighten mounting nuts, and then
loosen the top nut two turns.
d.Tighten the bottom nut with a wrench.
4. Check attachment clutch lever
measurement.
a.Start engine and run at full throttle.
b.Slowly squeeze the attachment clutch
lever until auger shaft begins to rotate.
c.Measure the distance from the end of
the clutch lever to the hand grip as
shown in Figure 18. The distance
between the clutch lever and the hand
grip should be 4–1/2 ± 1/8 in.
(11.43 ± 3 mm).
d.Shut off engine.
5. Adjust attachment clutch lever
measurement, if necessary.
NOTE: 1/16 in. (1.6 mm) idler movement will
change clutch lever measurement about
1/4 in. (6 mm).
a.Loosen idler nut (Figure 16).
b.To increase distance between clutch
lever and hand grip, move the idler
towards the attachment belt.
c.To decrease the distance between the
clutch lever and hand grip, move the
idler away from the attachment belt.
d.Tighten idler adjustment nut.
e.Check clutch lever measurement.
6. Check Brake
When the clutch lever is disengaged, the
brake must contact the attachment belt.
When the clutch lever is engaged, the
brake must be more than 1/16 in.
(1.6 mm) away from the belt (Figure 17).
7. Repeat steps 4–6 until attachment clutch
distance and brake contact are correct.
IMPORTANT: If attachment clutch/brake
cannot be adjusted within tolerances, see your
Dealer for repairs.
GB - 23
Page 24
8. Check belt finger clearance.
With clutch lever engaged, belt fingers
should be 1/16–1/8 in. (1.6-3 mm) from
belt. Adjust belt fingers as necessary.
9. Replace belt cover.
10. Check that auger/impeller stops within
3 seconds after attachment
clutch/impeller brake bail is released.
1
2
1/16 in.
(1.6 mm)
OS2030
1. Drive Belt
2. Brake Shoe and Pad
Figure 17
Traction Drive
Clutch Lever
6-1/8 ± 1/4 in
(15,5 cm ± 6 mm)
TRACTION DRIVE CLUTCH
ADJUSTMENT
If drive slips, adjust traction clutch to
compensate for friction disc wear.
To test traction clutch (Figure 18):
1. Put unit in first forward speed.
2. Without engine running, push unit forward
while slowly moving the traction drive
clutch lever toward the handle grip.
3. Measure distance between lever and
handlebar when the wheels brake. If
distance is not 6–1/8 in. ± 1/4 in.
(15.5 cm ± 6 mm), adjust the traction
clutch.
To adjust traction clutch (Figure 19):
1. Loosen jam nut on traction cable
adjustment barrel.
2. Turn the adjustment barrel up the cable to
decrease the distance between clutch
lever and handlebar.
Turn the adjustment barrel down the cable
to increase the distance between clutch
lever and handlebar.
3. Check traction clutch lever distance and
repeat adjustment steps if necessary.
4. Tighten jam nut on traction cable
adjustment barrel.
3
1
2
9
4
5
Attachment
Clutch Lever
4-1/2 ± 1/8 in
(11,43 cm ± 3 mm)
Figure 18
OS0456
GB - 24
8
6
7
1. Traction Clutch Cable
2. Shift Rod
3. Attachment Control Cable
4. Mounting Nuts
5. Attachment Clutch Arm
6. Speed Selector Arm
7. Cotter Pin and Clevis
8. Traction Drive Clutch Arm
9. Adjustment Barrel
Figure 19
OS0522
Page 25
FRICTION DISC REPLACEMENT
Remove (Figure 20 and 21)
1. Shut off engine, remove key, disconnect
spark plug wire, and allow unit to cool
completely.
CAUTION: Remove fuel from fuel
tank prior to placing unit in service
position.
2. Place unit on a level surface and tip unit
up onto front housing.
3. Remove wheels.
4. Remove bottom cover.
5. Disconnect shift rod from speed selector
arm.
1
2
1
2
3
5
4
2
6
2
5
9
8
7
1. Shift Rod 2. Speed
Selector Arm
Figure 20
OS5500
6. Carefully tap roll pins out of hex shaft.
7. Remove outside bearing flange and
bearing from each side of unit.
8. Remove friction disc from shift carrier.
9. Remove roller chain from sprocket on hex
shaft.
10. Remove spacer from hex shaft.
11. Hold shift carrier and slide hex shaft
slowly to the right.
12. Slide shaft only far enough to remove the
old friction disc from hex shaft.
Install (Figure 20 and 21)
1. Place flat side of new friction disc against
shift carrier.
2. Hold shift carrier, slide hex shaft back
toward the left through roller chain and
spacer, and through the opening in the
side of the unit.
7
9
8
1. Roller Chain
2. Roll pin
3. Hex Shaft
4. Friction Disc
5. Speed Fork
6. Shift Carrier
10
3
Figure 21
6
4
7. Outside Bearing
Flange
8. Ball Bearing
9. Inside Bearing
Flange
10.Spacer
OS5000
3. Install roller chain on sprocket teeth of
hex shaft.
4. Install bearings and outside bearing
flanges.
5. Bolt new friction disc to shift carrier.
Tighten hardware to 5-6 lbf-ft (6.8 to
8.13 N•m).
6. Install roll pins in hex shaft. Ensure roll
pins are centered in hex shaft.
7. Install shift rod on speed selector arm.
8. Install bottom cover.
9. Install wheels.
10. Set unit upright.
11. Install spark plug wire on spark plug.
12. Adjust speed selector lever (see Speed
Selector Adjustment on page 21).
GB - 25
Page 26
STORAGE
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
SHORT TERM
IMPORTANT: NEVER spray unit with high
pressure water or store unit outdoors.
Run with attachment clutch engaged a few
minutes after each use to free unit of any
loose or melting snow.
Close fuel shut-off valve.
Inspect unit for visible signs of wear, breakage
or damage.
Keep all nuts, bolts and screws properly
tightened and know unit is in safe working
condition.
Store unit in a cool, dry protected area.
LONG TERM
Clean unit thoroughly with mild soap and low
pressure water and lubricate (see
Maintenance). Touch up all scratched painted
surfaces.
Remove weight from wheels by putting blocks
under frame or axle.
When storing unit for extended periods of time,
remove all fuel from tank and carburetor (run
dry). Refer to Engine Manual.
ACCESSORIES
See your authorized Ariens dealer to add the
additional accessories available to your
Sno-Thro.
Part No. Description
73203100 Slicer Bar
72403600 120 Volt Starter Kit
72402200 240 Volt Starter Kit*
72406500 Front Weight Kit
72406600 Deflector Remote Control Kit
* Available in CE countries.
SERVICE PARTS
Order the following parts through your
Dealer:
Part No. Description
00036800 Stens Mix Hi-Temp Grease
21533400 Spark Plug
07234000 Impeller Belt
07228600 Traction Belt
51001500 Shear Bolt Kit
03248300 Friction Disc
To obtain a complete parts manual, find your
model and serial number. Then go to
www.ariens.com or call 1-800-678-5443.
(3, 3 oz. cartridges)
GB - 26
Page 27
TROUBLESHOOTING
PROBLEM PROBABLE CAUSE CORRECTION
Engine will
not
crank/start.
Engine stops.
Engine
problems.
Does not
operate in
Forward /
Reverse.
1. Fuel tank is empty.
2. Fuel shut-off valve closed.
3. Build up of dirt and residue
around
governor/carburetor.
4. Key Switch not in run
position.
5. Ignition switch starter
circuit not functioning.
1. Out of fuel.
2. Fuel shut-off valve closed.
3. Mechanical jam in blower
rake or impeller.
4. Polluted fuel supply.
5. Faulty spark plug.
1. See Engine Manual.
1. Friction disc not adjusted
properly.
2. Traction belt not
functioning.
3. Speed selector not
adjusted properly.
1. Fill fuel tank.
2. Open fuel shut-off valve.
3. Clean area around
governor/carburetor.
4. Put Key Switch into run position.
5. Check for a bad starter or
connections.
1. Fill fuel tank.
2. Open fuel shut-off valve.
3. Turn off engine, remove key, and
wait for all moving parts to stop.
Check for and remove
obstruction and repair before
restart.
4. Replace with clean fuel.
5. Replace or clean spark plug.
1. Repair or replace friction disc.
See Service and Adjustments.
2. Repair or replace traction drive
belt. See Service and
Adjustments.
3. Adjust speed selector. See
Service and Adjustments.
Small rubber
beads collect
in frame
Unit throws
snow poorly
or does not
throw snow.
1. Friction disc wear. 1. Normal friction disc wear.
1. Shear bolts broken.
2. Attachment clutch/brake
not adjusted properly.
3. Attachment drive belt worn
or damaged.
GB - 27
Chunks or large pieces of rubber
mean friction disc should be
checked and replaced as
necessary.
1. Replace shear bolts (see Shear
Bolts on page 20).
2. Adjust attachment clutch/brake
(see Attachment Clutch/Brake
Adjustment on page 23).
3. Replace attachment drive belt
(see Attachment Clutch/Brake
Adjustment on page 23).
Page 28
SPECIFICATIONS
Model Number 932502 932104
Description 8524 8524
Engine - Tecumseh HMSK85-155913C HMSK85-155912C
-1
Power Max - HP (Kw/min
Fast Idle Speed-RPM (min
)
-1
)
Displacement - in. (cc) 19.43 (318.3)
Electric Start Optional
240V
Fuel See Engine Manual
Tank Capacity - qt. (L) 4 (3.8)
Snow Clearing Width -
in. (cm)
Chute
Rotation Angle 220˚
Rotation Control at
Handlebar
Dual Handle Interlock Ye s
Impeller
Diameter - in. (cm) 12 (30.5)
-1
Speed-RPM-Max (min
)
Auger
Diameter - in. (cm) 15 (38.1)
-1
Speed-RPM-Max (min
)
Auger Brake Ye s
Drive Disc-O-Matic
Speeds 6 Forward and 2 Reverse
Pneumatic Tires - in. (cm) 15 (38.1)
Size and Weight
Height - in. (cm) 42 (106.7)
Length - in. (cm) 59.1 (150.2)
Width - in. (cm) 26.6 (67.6)
Weight - lbs (Kg) 235(106.6) 240 (108.9)
Headlight Ye s
8.5 (6.3)
3600 ± 150
120V
24 (61.0)
Ye s
1410
141
GB - 28
Page 29
3-Year Limited Sno-Thro Warranty
Ariens Company warrants to the original purchaser that consumer products manufactured
by Ariens Company will be free from defects in material and workmanship for a period
of three (3) years after the date of purchase, and will repair any defect in material or
Ariens Company
655 West Ryan Street
P.O. Box 157
Brillion, WI 54110-0157
920-756-2141
Fax 920-756-2407
www.ariens.com
This warranty is subject to the following conditions, limitations, and exclusions:
This warranty is valid only if the following conditions are
met:
• The purchaser must perform maintenance and minor
adjustments explained in the owner’s manual.
• The purchaser must promptly notify Ariens Company or an
authorized Ariens service representative of the need for
warranty service.
• Returning the product registration card to Ariens Company
will enable the company to contact the registrant with repair
or replacement part information.
The following items are not covered by this warranty:
• Engines and engine accessories are covered only by the
warranty made by the engine manufacturer, and are not
covered by this warranty.
• Parts that are not genuine Ariens service parts are not
covered by this warranty.
• Shoes, runners, scraper blades, shear bolts, headlights, light
bulbs are not covered by this warranty.
• Any defect which is the result of misuse, alteration, improper
assembly, improper adjustment, neglect, or accident is not
covered by this warranty.
• Products which were not purchased in the United States,
Puerto Rico, or Canada are not covered by this warranty. In
all other countries, contact place of purchase.
workmanship, and repair or replace any defective part, subject to the conditions, limitations
and exclusions set forth herein.
The three-year duration of this warranty applies only if the product is put to ordinary,
reasonable, and usual personal, family, or household uses. If the product is put to any
business, commercial, or industrial use, then the duration of this warranty is ninety (90)
days after the date of purchase, or one (1) year after the date of purchase if the product
is labeled as a Professional/Commercial Product. If any product is rented or leased,
then the duration of this warranty is ninety (90) days after the date of purchase.
Genuine Ariens service parts and accessories not purchased with the product covered
by this warranty, but which are later purchased and used with that product, are warranted
to be free from defects in material and workmanship for a period of ninety (90) days
after date of purchase, and Ariens Company will repair or replace any such part or
accessory free of charge, except for labor, during that period.
This warranty is subject to the following limitations:
• The purchaser must transport the product to and from the
place of warranty service.
• Warranty service must be performed by an authorized Ariens
service representative. (To find an authorized Ariens service
representative, contact Ariens Company at the website,
number or address above.)
• Batteries are warranted only for a period of twelve (12)
months after date of purchase, on a prorated basis. For the
first ninety (90) days of the warranty period, a defective
battery will be replaced free of charge. If the applicable
warranty period is more than 90 days, Ariens Company will
cover the prorated cost of any defective battery, for up to
twelve (12) months after the date of purchase.
• Normal maintenance items including, but not limited to, belts,
idlers, cables, friction wheels, tires, wheels, electrical
components are warranted for a two-year period from the
date of purchase unless a shorter period would apply based
on how the product is used, then the shorter period will
apply.
DISCLAIMER OF FURTHER WARRANTY
Ariens Company makes no warranty, express
or implied, other than what is expressly made
in this warranty. If the law of your state provides
that an implied warranty of merchantability, or
an implied warranty of fitness for particular
purpose, or any other implied warranty, applies
to Ariens Company, then any such implied
warranty is limited to the duration of this
warranty. Some states do not allow limitations
on how long an implied warranty lasts, so the
above limitation may not apply to you.
LIMITATION OF REMEDY AND DAMAGES
Ariens Company’s liability under this warranty, and under any
implied warranty that may exist, is limited to repair of any
defect in workmanship, and repair or replacement of any
defective part. Ariens Company shall not be liable for incidental,
special, or consequential damages (including lost profits).
Some states do not allow the exclusion of incidental or
consequential damages, so the above limitation or exclusion
may not apply to you.
This warranty gives you specific legal rights,
and you may also have other rights which vary
from state to state.
Form: ALW3-122002
GB - 29
Page 30
Ariens Company
655 West Ryan Street
P.O. Box 157
Brillion, WI 54110-0157
920-756-2141
Fax 920-756-2407
www.ariens.com
WARNING
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
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