Page 1
Sno-Thro
H
S
L
Owner/Operator Manual
Models
938017 - SS522EC
938018 - SS722EC
938019 - SS522
938117 - SS522EC
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.
5758436 and 5966846
U.S. Patents
ENGLIS
FRANÇAI
ESPAÑO
00447600 7/05
Printed in USA
Page 2
TABLE OF CONTENTS
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Controls & Features . . . . . . . . . . . . . . . . . 9
Operation . . . . . . . . . . . . . . . . . . . . . . . . . 10
Maintenance Schedule . . . . . . . . . . . . . . 13
Service and Adjustment s. . . . . . . . . . . . 14
INTRODUCTION
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 1
• Record Unit Model and Serial numbers
here.
OS0194
Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Trouble s hooting . . . . . . . . . . . . . . . . . . . 18
Accessories. . . . . . . . . . . . . . . . . . . . . . . 18
Service Parts . . . . . . . . . . . . . . . . . . . . . . 18
Specifications . . . . . . . . . . . . . . . . . . . . . 19
Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . 20
• 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: 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.
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 in this manual. To obt ain a
complete parts manual, find your model and
serial number. Then go to www.ariens.com or
call 920-756-4664.
GB - 2
© Copyright 2005 Ariens Company
Page 3
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: If you have purchased this
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.
SAFETY
NOTE: To locate your nearest Ariens Dealer,
call 920-756-4664 or go to www.ariens.com
on the internet.
WARNING: Improper assembly or
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.
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.
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: 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.
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. Always follow the practices
set forth in this manual.
GB - 3
Page 4
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.
2
1
SAFETY DECALS AND
LOCATIONS
ALW AYS replace missing or damaged Safety
Decals. Re f e r to fi g u r e 2 below fo r Safety
Decal locations.
3
1. DANGER!
• Read operator’s manual.
• Allow operation only by properly trained
adults, never children.
• Stop engine and remove ignition key
prior to leaving 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.
Figure 2
2. Hot Surface!
3. DANGER!
GB - 4
DO NOT touch unit parts which
might be hot from operation.
Allow parts to cool before
attempting to maintain, adjust or
OD0061
service.
Read Owner/Operator manual.
OL1801
OS0157
Page 5
Stop engine and remove ignition
0
0
key before clearing.
OL090
Stop engine and remove ignition
key before clearing.
OS105
Stop engine, remove ignition
key, read manual before making
any repairs, adjustments.
OL4010
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. 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 - 5
Page 6
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.
ROT ATING AUGER CAN CAUSE SERIOUS
INJURY. NEVER A TTEMPT 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 p arts to
stop. Allow hot parts to cool.
Run unit a few minutes after clearing snow to
prevent freeze-up of attachment.
Disengage clutch bail when not in use. Before
starting engine: disengage clutch bail. DO
NOT use on gravel or crushed rock surfaces.
Check clutch and brake operation frequently.
Adjust and service as required. All motion of
auger must stop quickly when bail is
released.
Never leave a running unit unattended.
ALWAYS shut off engine before leaving unit.
ALW A YS remove key to prevent unauthorized
use.
Never carry passengers.
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 - 6
Page 7
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
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.
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.
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
TOOLS REQUIRED
7/16" Open-end wrench, Pliers
ASSEMBLY
Handlebar Assembly
1. Remove wing knobs and release J-bolts
from lower handlebar (figure 3).
2. Unfold upper handlebar.
NOTE: Adjust handlebar to a height
comfortable for the operator (see Handlebar
Height Adjustment on page 11).
3. Put J-bolts through the upper handlebar
and lower handlebar holes.
4. Replace and tighten wing knobs to
secure upper handlebar.
2
1.Lower Handle
2.Upper Handle
GB - 7
Bar
Bar
3
4
5
1
6
3.Auger Clutch
Bail
4.Knob
5.J-B olt
6.J-Bolt Holes
Figure 3
DS0072
Page 8
Discharge Chute Assembly
1. Remove bolt and nut from rear of
discharge chute (figure 4).
2. Tip discharge chute up and install
hardware just removed. Tighten
hardware at rear of discharge chute first,
then sides.
3
2
1
1.D ischarge Chute
2.Rear Bolt and Nut
3.C hute Handle
4.Side Hardware
Figure 4
1
2
4
OS1520
Discharge Chute Crank Assembly
(938017, 018, 117)
1. Remove nut from bolt that holds recoil
starter handle bracket in place (figure 5).
2. Pull the chute crank assembly up so hole
in chute crank bracket fits behind/under
lower handle bar and over bolt end.
NOTE: DO NOT pull chute crank bracket past
the lower handle bar or the 48T gear and
spacer will fall off into unit.
3. With crank knob straight up and
discharge chute straight forward, check
that 48T gear meshes with 12T pinion.
Align space and tooth identification
marks.
4. Insert cotter pin (taped to chute crank
assembly) through 48T gear and chute
crank shaft. Slight movement of the
crank shaft or discharge chute may be
needed to align holes.
5. Rotate chute crank to access cotter pin.
Secure pin by bending ends over.
6. Secure chute crank and starter handle to
lower handle bar by reinstalling nut from
step 1.
Fill Engine Fuel Tank
See Filling Fuel Tank on page 11.
Check Function of all Controls
Ensure unit runs and performs properly (see
Operation on page 10).
8
7
6
1.Chute Crank
2.Identification
Marks
3.12T Pinion
4.Spacer
3
5.48T Gear
6.Cotter Pin
7.Nut
8.Recoil Starter
Figure 5
4
5
Handle Bracket
IS0212
GB - 8
Page 9
CONTROLS & FEATURES
22
19
18
16
2
3
4
5
6
7
8
9
10
17
11
12
1
21
20
15
1. Auger Clutch Bail
2. Handlebar
3. Discharge Chute Crank (938017, 018,
117)
4. Handlebar Wing Knob
5. Spark Plug Access Cover
6. Discharge Chute Handle
7. Exhaust
8. Discharge Chute Deflector
9. Auger Housing
10. Auger
11. Ignition Switch
12. Fuel Level Indicator
13. Starter Button (938017, 018, 117)
14. Choke Control Knob
15. Power Cord (938017, 018, 117)
16. Primer Bulb
17. Scraper Blade
18. Cowl
19. Discharge Chute
20. Chute Deflector Handle
21. Fuel Tank and Cap
22. Recoil Starter Handle
14
13
Figure 6
GB - 9
Page 10
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.
CONTROLS AND FEATURES
See figure 6 for controls and features
locations.
Ignition Switch
STOP
1
Auger Clutch Bail
Check Auger Clutch Bail
IMPORTANT: If auger clutch bail moves
freely with no resistance before contacting
handlebar or does not operate as indicated in
the following steps, adjust or repair unit
before operating (see Drive Belt Adjustment
on page 15).
1. With key in STOP position, engage
auger clutch bail.
Ignition switch is operated by
a removable key that has two
positions.
1. STOP
RUN
2. RUN
2
OS1680
Squeeze auger clutch
bail against handlebar
to engage auger.
Engaged
Release auger clutch
Disengaged
bail to disengage and
brake auger.
WARNING: Check auger clutch
before each use. Auger brake MUST
DISENGAGE when clutch is
engaged. Auger brake MUST STOP
AUGER WITHIN 5 SECONDS of
releasing auger clutch bail.
2. Pull recoil starter handle. Auger should
rotate with the turning of the engine.
3. Release the auger clutch bail.
4. Pull recoil starter handle again. Auger
must not rotate as engine turns.
IMPORTANT: If belt squeals when auger
clutch bail is engaged, auger may be frozen.
Immediately release auger clutch bail and
move the unit to a heated area to thaw.
Auger
When handlebar is lifted so auger contacts
the ground, auger propels unit forward while
throwing snow. Forward speed will vary
according to depth and moisture content.
Primer Bulb
Pushing the primer bulb in
adds fuel for easier engine
start (see Starting and Shutting
off on page 12).
OS1620
Choke Control Knob
Pulled out (closed) – chokes
off air to the engine for easier
start.
Pushed in (open) - allows for
normal operation.
OS1570
IMPORTANT: Gradually push in choke
control knob after engine starts.
Recoil Starter Handle
When pulled, recoil starter handle will turn
engine over.
IMPORTANT: DO NOT let recoil starter
handle snap back against unit.
Discharge Chute (Figure 7)
Discharge chute rotates 220°.
ALWAYS position discharge chute in safe
direction and angle, away from operator and
bystanders, before starting engine.
Rotating Discharge Chute (Figure 7)
Two options are available to rotate discharge
chute:
• Discharge Chute Crank (938017, 018,
117)
• Discharge Chute Handle
GB - 10
Page 11
IMPORTANT: DO NOT force a frozen
e
discharge chute. Start engine and run for 3-5
minutes to thaw. I f still frozen, take to a warm
place until controls are free.
Discharge
Chute Crank
Discharge
Chute Handl
Handlebar
Height
Adjustment
Holes
Figure 7
OS2060
Discharge Chute Deflector
ALWAYS position discharge chute deflector
at a safe angle before starting engine.
DO NOT throw snow any higher than
necessary.
Pull chute deflector handle upward to throw
snow lower. Push chute deflector handle
downward to throw snow higher.
IMPORTANT: If chute deflector does not stay
in set position, adjust (see Discharge Chute
Deflector Adjustment on page 15), or repair
before operating.
Handlebar Height Adjustment
(Figure 7)
CAUTION: Adjust auger control
cable after changing handlebar
height (see Drive Belt Adjustment on
page 15). Route auger control cable
over handlebar as shown in figure 7.
Adjust handlebar height by selecting the
appropriate handlebar height adjustment
holes. Tighten handlebar wing knobs to
secure upper handlebar to lower handlebar.
NOTE: The upper handlebar can be folded
for storage.
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 down too far or auger housing will
become damaged.
FILLING FUEL TANK
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
IMPORTANT: Two cycle engines require that
oil be mixed with fuel. Failure to mix oil with
fuel will result in seizure and severe damage
to engine. DO NOT use gasohol or gasoline
containing alcohol. See Engine Manual for
correct type of fuel/oil mixture.
1. ALWAYS place unit in open or wellventilated area.
2. Stop engine and allow to cool.
3. Clean fuel cap and surrounding area to
prevent dirt from entering fuel tank.
4. Remove fuel cap.
IMPORTANT: See Engine Manual for proper
fuel/oil mixture. Fuel/oil mixture left standing
for prolonged periods will begin to separate;
thoroughly shake fuel/oil mixture before use.
NOTE: See Specifications on page 19 for fuel
tank capacity.
5. Fill fuel tank with fuel/oil mixture.
6. Replace fuel cap and tighten.
7. ALWAYs clean up any spilled fuel.
PRE-START
1. Check for Frozen Auger
With key in STOP position, engage auger
clutch bail and pull recoil starter handle.
If you cannot pull recoil starter handle, auger
is frozen. Move unit to a heated area to thaw
to prevent possible damage.
2. Check Auger Clutch
WARNING: Check auger clutch
before each use. Auger brake MUST
DISENGAGE when clutch is
engaged. Auger brake MUST STOP
AUGER WITHIN 5 SECONDS of
releasing auger clutch bail. See
Check Auger Clutch Bail on page 10.
3. Check Engine Fuel Level
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
Add fuel if required (see Filling Fuel Tank on
page 11).
GB - 11
Page 12
STOPPING IN AN EMERGENCY
Immediately release auger clutch bail 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 SHUTTING 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 temperature before clearing
snow. Before shutting unit off, run auger 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.
WARNING: THROWN OBJECTS
could cause death or serious injury.
ALWAYS position discharge chute
straight ahead (away from operator)
for starting.
Manual Start
1. Turn discharge chute straight ahead.
NOTE: When temperature is below -15° F
(-26° C) additional priming may be needed.
2. Push primer bulb 1 to 3 times for cold
engine.
NOTE: A warm engine requires less choking
than a cold engine.
3. Pull choke control knob out.
4. Insert key into ignition switch.
5. Turn key to RUN.
6. Stand to behind unit. Grasp starter
handle and pull rope out slowly until it
pulls harder, let rope rewind slowly.
IMPORTANT: DO NOT let starter handle
snap against unit.
7. Pull rope with a rapid continuous full arm
stroke. Let rope rewind slowly.
8. Repeat steps 6 and 7 until engine starts.
(If engine does not start, see
Troubleshooting on page 18.)
9. When engine has started, open choke
slowly by gradually pushing choke
control knob in.
Electric Start (938017, 018, 117)
NOTE: Electric start models can be started
manually (see Manual Start on page 12).
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 cord into 120V 3-wire,
grounded outlet.
3. Turn discharge chute straight ahead.
4. Push primer bulb 1 to 3 times for cold
engine.
NOTE: When temperature is below -15° F
(-26° C) additional priming may be needed.
5. Insert key into ignition switch.
6. Turn key to RUN position.
NOTE: A warm engine requires less choking
than a cold engine.
7. Pull choke control knob out.
IMPORTANT: DO NOT crank engine for more
than 5 seconds on each attempt.
8. Push starter button until engine starts.
9. Open choke slowly by gradually pushing
choke control knob in.
10. Disconnect power cord from outlet, then
from starter.
Shutting Off
1. Engage and run auger a few minutes
after use to prevent freeze-up of auger.
2. Release auger clutch bail and allow
auger to stop.
3. Turn key to STOP position.
4. Remove key.
SNOW REMOVAL
IMPORTANT: Allow unit and engine to adj ust
to the outdoor temperature before clearing
snow.
To propel unit and throw snow:
1. Start engine.
2. Engage auger clutch bail to engage
auger.
NOTE: Do not lift handlebar so high to allow
snow to kick back from under unit.
3. Lift handlebar so auger contacts surface
to be cleared. Lift the handlebar only
high enough to propel unit forward.
GB - 12
Page 13
Tips for Operation
Snow is best removed as soon as possible
after a 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.
IMPORTANT: DO NOT overload unit capacity
by attempting to clear snow at too fast a rate.
TRAVELING TO ANOTHER WORK
AREA
1. Release auger clutch bail to disengage
auger.
2. Press down on handlebar enough to
raise front of unit slightly off the ground
and push or pull unit.
MAINTENANCE SCHEDULE
TRANSPORT
ALWAYS shut off engine and 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 by rods or linkages that could
be damaged.
DO NOT transport machine while engine is
running.
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
Interval Task Action
Check Auger
Clutch
Clean Unit After each use, brush snow and debris off with a soft
Each Use
Follow Engine
Manual
Maintenance
Schedule
Check Fasteners Make sure all hardware is tightened properly.
Every 10 Hours
Yearly
Check Drive Belt
Adjustment
Check Scraper
Blade
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: Check auger clutch before each
use. Auger brake MUST DISENGAGE when
clutch is engaged. Auger brake MUST
STOP AUGER WITHIN 5 SECONDS of releasing
auger clutch bail (see Check Auger Clutch Bail on
page 10).
bristled brush. Occasionally apply a light coat of
spray lubricant to exposed metal joints and surfaces.
Wipe off excess with soft cloth. Do not use abrasives
or harsh cleaners.
Perform scheduled engine maintenance. See
Engine Manual for detailed instructions.
See Drive Belt Adjustment on page 15.
Check scraper blade for wear. DO NOT allow
scraper blade to wear down too far or auger housing
will become damaged.
GB - 13
Page 14
SERVICE AND ADJUSTMENTS
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
SERVICE POSITI ON
Place unit on a flat level surface.
DRIVE BELT REPLACEMENT
Remove (Figure 8)
1. Remove cowl.
2. Disconnect extension spring on idler
arm/brake.
1 2
3. Remove auger drive pulley.
4. Remove old belt.
Install (Figure 8)
1. Install new belt on drive pulley and idlers.
2. Install drive belt on auger drive pulley.
3. Install auger drive pulley on unit.
4. Connect extension spring to idler
arm/brake.
5. Adjust drive belt (see Drive Belt
Adjustment on page 15).
6. Install cowl.
3
4
5
1.Ex tension
Spring
2.Idler
Arm/Brake
3.Idler
4.Drive Pulley
5.Drive Belt
6.Auger Drive
Pulley
6
DISCHARGE CHUTE
ADJUSTMENT
If discharge chute rotates while throwing
snow, tighten four screws holding discharge
chute to housing to 11 – 12 lbf-in
(1.23 – 1.35 N•m).
IMPORTANT: DO NOT overtighten screws.
1. Remove nut and bolt from rear of
discharge chute.
2. Tip discharge chute forward.
3. Tighten two rear screws.
4. Tighten two front screws.
5. Reposition discharge chute and fasten
with nut and bolt.
Figure 8
GB - 14
1
1.Rear Screw
2.Rear Nut and
Bolt
OS4001
2
3
4
3.Discharge Chute
4.Front Screw
Figure 9
Page 15
DISCHARGE CHUTE DEFLECTOR
1
ADJUSTMENT
If discharge chute deflector does not stay in
position while throwing snow, adjust chute by
tightening fasteners (figure 10).
Fasteners
Figure 10
DRIVE BELT ADJUSTMENT
WARNING: Improper adjustment
could result in death or serious injury.
Auger brake MUST DISENGAGE
when clutch is engaged. Auger brake
MUST STOP AUGER WITHIN 5
SECONDS of releasing auger clutch
bail.
Adjust Auger Control Cable
(Figure 11)
1. Measure bail spring length with auger
clutch bail DISENGAGED.
2. Engage auger clutch bail.
3. Measure bail spring length with auger
clutch bail ENGAGED.
4. The difference in bail spring length
measurements should be 9/16 – 5/8 in.
(14.3 – 15.9 mm).
• If bail spring length IS within
specifications, go to Adjust Belt Finger.
• If bail spring length IS NOT within
specifications, go to Adjust Cable.
OS018
Measure Bail Spring Length With
Auger Clutch Bail Disengaged
Measure Bail Spring Length With
Auger Clutch Bail Engaged
Figure 11
Adjust Cable
IMPORTANT: After adjustment, if the auger
control cable is taut when the auger clutch
bail is disengaged, the auger brake will not
work properly. If this condition occurs, replace
the belt and restart the drive belt adjustment
procedure.
1. Loosen jam nut on auger control cable
adjuster.
2. Turn adjustment barrel to lengthen or
shorten the cable as needed to achieve
spring extension defined in step 4 of
Adjust Auger Control Cable (Figure 11).
3. Tighten jam nut on auger control cable
adjuster.
Adjust Belt Finger (Figure 12)
1. Remove cowl.
IMPORTANT: Auger clutch bail MUST be
engaged while performing steps 2 through 5.
2. Engage auger clutch bail.
GB - 15
OS3500
Page 16
3. Loosen belt finger and rotate until there
is 1/32 – 1/16 in. (0.8 – 1.6 mm) gap
between belt finger and drive belt.
4. Tighten belt finger.
5. Recheck gap between belt finger and
drive belt. Adjust belt finger until there is
1/32 – 1/16 in. (0.8 – 1.6 mm) gap
between belt finger and drive belt.
6. Go to Check Auger Stopping Time next.
Check Auger Stopping Time
WARNING: Improper adjustment
could result in death or serious injury.
Auger brake MUST DISENGAGE
when clutch is engaged. Auger brake
MUST STOP AUGER WITHIN 5
SECONDS of releasing auger clutch
bail.
WARNING: ROTATING PARTS can
cut off body parts. Keep hands and
feet away. Loose clothing, long hair
or scarves can get caught in rotating
parts and cause death or serious
injury.
1
WARNING: Auger MUST NOT rotate
when the auger clutch bail is
disengaged.
1. Start unit.
2. Engage auger clutch bail for 5 seconds.
IMPORTANT: Auger MUST STOP within 5
seconds of disengaging auger clutch bail.
3. Disengage auger clutch bail.
• If auger stops within 5 seconds, the
adjustment is complete.
• If auger does not stop within 5
seconds, repeat the entire Drive Belt
Adjustment procedure.
IMPORTANT: Replace the drive belt if the
Drive Belt Adjustment procedure has been
completed twice and the drive belt is still not
adjusted properly.
4. Replace cowl.
2
3
1.Idler
2.Idler Nut
3.Belt Finger
4.Drive Belt
3
4
4
Figure 12
1/32 – 1/16 in.
(0.8 – 1.6 mm)
OS4501
GB - 16
Page 17
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.
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
Touch up all scratched painted surfaces.
When storing unit for extended periods of
time, remove all fuel from tank and carburetor
(run dry). See Engine Manual.
GB - 17
Page 18
TROUBLESHOOTING
PROBLEM PROBABLE CAUSE CORRECTION
Engine will
not
crank/start
Engine
stops
Discharge
chute will
not turn
Auger will
not turn or
throw snow
1.Key not in RUN position.
2.Fuel tank empty.
3.Clogged fuel filter.
4.Faulty electric starter or wire
connections.
1.Out of fuel.
2.Improperly mixed or contaminated
fuel.
3.Faulty spark plug.
4.Clogged fuel filter.
1.Discharge chute gears are frozen. 1.Move unit to a warm area to thaw.
1.Auger is frozen.
2.Ice or debris is obstructing auger.
3.Auger control cable out of
adjustment.
4.Drive belt slipping.
1.Turn key to RUN position.
2.Fill fuel tank.
3.Replace fuel filter. See Engine
Manual.
4.Contact your Ariens Dealer.
1.Fill fuel tank (see Filling Fuel Tank
on page 11).
2.Drain fuel tank and refill with new
fuel/oil mixture (see Filling Fuel
Tank on page 11).
3.Replace spark plug. See Engine
Manual.
4.Replace fuel filter. See Engine
Manual.
1.Move unit to a warm area to thaw.
2.With engine off, and auger
disengaged, remove obstructions.
3.Adjust drive belt (see Drive Belt
Adjustment on page 15).
4.Adjust drive belt. See (see Drive
Belt Adjustment on page 15).
ACCESSORIES
See your authorized Ariens dealer to add
the additional accessories available to your
Sno-Thro.
73800300 Discharge Chute Crank Kit
73800100 Electric Starter Kit (938019)
(938019)
SERVICE PARTS
Order the following parts through your
Dealer:
Part no. Qty Description
07236300 1 Drive Belt
03813800 1 Scraper Blade
02910800 1 Fuel Filter
GB - 18
Page 19
SPECIFICATIONS
Model Number 938017 938018 938019 938117
Description SS522EC SS722EC SS522 SS522EC
Engine - Tecumseh (Two-Cycle) TH139SA TH139SP T H139S A TH139SA
-1
Power Max – HP (Kw/min
Fast Idle Speed – RPM (min
Displacement – in. (cc) 8.46 (139)
Fuel See Engine Manual.
Fuel to Oil Mix 50:1
Fuel Tank Capacity – qt. (L) 1.2 (1.1)
Electric Start 120V Optional 120V
Snow Clear i ng Width – in. (cm) 22 (56)
Chute
Chute Rotation Angle 220°
Discharge Chute Crank Yes No Yes
Discharge Chute Handle Yes
Auger
Speed – RPM 1430
Diameter – in. (cm) 9.0 (23)
Drive
Auger Drive Yes
Drive Belt 3L Section, Single “V” Construction, Raw Edge Kevlar
Size and Weight
Height – in. (cm) 40.8 (104)
Length – in. (cm) 43.2 (110)
Width – in. (cm) 22 (56)
Weight – lbs (Kg) 80 (36.3) 75 (34) 80 (36.3)
)
5 (3.73) 7 (5.22) 5 (3.73)
-1
)
3950 ± 150
Cord
GB - 19
Page 20
Ariens Limited
Warranties
2-Year Limited Lawn and Garden
Consumer Warranty
Ariens Company (Ariens) warrants to the
original purchaser that Ariens and Gravely
brand consumer product s manufactured by
Ariens Company will be free from defects in
material and workmanship for a perio d of two (2)
years after th e da te of purc h ase, and th at Arie ns
will repair any defect in material o r workmanship,
and repair or replace any defective part, subject
to the conditions, limitations and exclusions set
forth herein. Such repair or replacement will be
free of charge to the original purchaser (labor
and parts), except as noted below.
The two-year duration of t his warrant y applies
only if the product is put to ordinary, reasonable,
and usual personal, fa mily, or household use s. I f
the product is put to any business, commercial,
or industrial use such as, but not limited to,
commercial landscaping, mowing or snow
removal services, or golf course or park
maintenance, or agricultural or farmstead 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.
The duration of thi s warran ty sha ll be nin ety (90)
days after the date of purchase if any product is
rented or leased.
2-Year Limited Lawn and Garden
Commercial Warranty
The Ariens Company (Ariens) warrants to the
original purchaser that all Gravely Pro and
ProMaster products manufactured by Ariens will
be free from defects in material and
workmanship for a period of two (2) year s after
the date of purchase or 1000 hours of use,
whichever comes first. An authorized Gravely
dealer will re pa i r an y de f ec t in material or
workmanship, and repair or replace any
defective part, su bject to the conditions,
limitations and exclusions set forth herein. Such
repair or replacement will be free of c h ar g e to
the original purchaser (labor and parts), except
as noted below.
The duration of this warranty shall be ninety
(90) days after the date of purchase or 1000
hours of use, whichever comes first, if any
product is rented or leased.
3-Year Limited Sno-Thro Warranty
Ariens Company (Ariens) warrants to the
original purchaser that Sno-Thro products
manufactu r ed by Ariens Company wi ll be fr ee
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 workmanship, and repair or repl ace any
defective part, subject to the conditions,
limitations and exclusions set forth herein. Such
repair or replacement will be free of charge to
the orig inal p urchaser (labor and p arts), exc ept
as noted below.
The three-year duration of this warranty
applies only if the product is put to ordinary,
reasonable, and usual pers onal, family, or
household uses. If the product is put to any
business, commercial, or industrial us e, then the
duration of this warranty is ninety (90 ) days af ter
the date of purchase, or one ( 1) year after the
date of purchase if the product is labeled as a
Professional/Commercial Product. The duration
of this warranty shall be ninety (90) days after
the date of purchase if any product is rented or
leased.
DURA-CLEAN™ Auger Limited
Lifetime Warranty
Ariens Company (Ariens) warrants to the
original purchaser that the rubber components
of the DURA-CLEAN™ Auger manufactured by
Ariens Company will be free from defects in
material and workmanship and will not wear out
for the life of the Sno-Thro, except as noted
below.
Ariens Company will provide for the
replacement of any of the rubber compon ents of
the DURA-CLEAN™ Auger found upon
examination by the Ariens Company to be
defective or worn out. Replacements will be
supplied free of charge. Labor is not included
after two (2) years from the date of purchase of
the Sno-Thro.
The lifetime limited warranty shall apply if the
product is put to ordinary, reasonable, and usual
personal household use. If the product is put to
any business, commercial, industri al, rental, or
leased use, the warranty shall be against defects
in material and workmanship for nine ty (90) days
following the date of purchase.
Ariens Company • 655 W. Ryan St, P.O. Box 157 •
Brillion, WI 54110-0157• (920) 756-2141 • www.ariens.com
ALW2-62905
Page 21
Exceptions, Limitations, Exclusions
These warranties are subject to the following conditions, limitations, and exclusion s:
To obtain warranty service, the following
conditions must be met:
• The purchaser must perform the
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.
• The purchaser must transport the product
to and from the place of warranty service.
• Warranty service must be performed by a
respective Ariens or Gravely authorized
service representativ e.
• To find an Ariens or Gravely authorized
service representa tive, contact Ariens at:
655 W. Ryan St, P.O. Box 157
Brillion, WI 54110-0157
(920) 756 - 2141
www.ariens.com
This warranty is subject to the following
limitations:
• Genuine Ariens or Gravely brand service
parts and accessories not purchased with
the product covered by th is warranty, but
which are later purchased and us ed 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.
• Batter ies are warra nt ed only for a pe riod of
twelve (12) months aft er date of purchase,
on a prorated basis. For t he fir st ninet y (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, f or
up to twelve (12) months af ter the date of
purchase.
Ariens may from time to time change the design of its products. Nothing contained in this warran ty
shall be construed as obligating Ariens to incorporate such design changes into previously
manufactured products, nor shall such changes be construed as an admission that previous designs
were defective.
www.gravely.com
LIMITATION OF REMEDY AND
DAMAGES
Ariens Company’s liabilit y under this wa rranty ,
and under any implied warran ty 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 incid ental,
special, or consequential damages (including
lost profits). Some states do not allow the
exclusion of incidental or consequential
damages, so the above limitat ion 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.
The following items are excluded from this
warranty:
• Engines and enty and are not covered by this
warranty.
• Hydro-Gear transmissions and/or
Hydro-Gear drive component s are covered
only by the Hydro-Gear warranty and are
not covered by this warranty.
• Parts that are not genuine Ariens or
Gravely brand service parts are not
covered by this w ar r a nt y.
• Except as specifically warranted, normal
maintenance, services, and normal
replacement items, such as sp ark plugs,
oil, oil filters, air filters, mufflers, belt s, tires ,
shoes, runners, scraper blades, shear
bolts, mower blades, mower vanes,
headlights, light bulbs, knives, etc. are not
covered by this w ar r a nt y exc e p t as noted
below.
• Muffle rs, belt s, and tire s on consumer lawn
and garden products are warranted to the
original purchaser for two years.
• Friction discs, idlers, cables, and electrical
components on Sno-Thros put to usual
personal household use are warra nted to
the original purchaser for two years.
• Any defect which is t he result of misuse,
alteration, improper assembly, improper
adjustment, neglect, or accident is not
covered by this w ar r a nt y.
This warranty applies only to products
purchased in the United S t ates (inc luding Puer to
Rico) and Canada. In all other cou ntries, cont act
place of purchase for warranty information.
DISCLAIMER OF FURTHER
WARRANTY
Ariens Company makes no warrant y, express
or implied, other than what is expres sly made in
this warranty. If the law of your state provides
that an implied warranty of merchant ability, or an
implied warranty of fitness for p articular pu rpose,
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 limitat ions on how long an
implied warranty lasts, so the above limitation
may not apply to you.
Ariens Company • 655 W. Ryan St, P.O. Box 157 •
Brillion, WI 54110-0157• (920) 756-2141 • www.ariens.com
ALW2-62905
Page 22
Ariens Company
655 West Ryan Street
P.O. Box 157
Brillion, WI 54110-0157
920-756-2141
Fax 920-756-2407
www.ariens.com
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