Ariens 924 Owner's manual

A SAFETY MESSAGE A
. T nfoS UCt f0r Which y° u have requested
information or replacement parts is not a
curro" 1 product. The replacement models
incorporate product designs, safety features
SESSSF*
Please 6ty and tllose around you
D® ®®. con,act y ° ur n earestAriens/Gravelv
Dealer for a demonstration of the current
Product safety provisions and features.
/
Sno-Thro
Owner/Operator Manual
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A Message to Ariens Customers
Welcome to the world of Ariens equipment. We
are pleased that you have selected Ariens and
sincerely believe you have purchased the best
equipment available. The care you give your new
Ariens equipment will determine the satisfaction
and service life you will obtain from it. Use this
manual and the engine manual supplied, as your
guide. By observing the instructions and
suggestions in these manuals your Ariens
equipment will serve you well for many years.
Your Ariens dealer will be happy to supply any
service or advice which may be required to keep
your Ariens equipment operating at peak
efficiency. He stocks genuine Ariens parts and
lubricants; manufactured with the same precision
and skill as the original equipment. His factory
trained staff is kept well informed on the best
methods of servicing Ariens equipment and is
ready and able to serve you. If engine repairs or
services are required, they can be obtained from
an Ariens dealer or from an authorized engine
manufacturer’s service center. If service is
required, be prepared to supply the service
person with the Model Number and Serial
Number of the equipment and the engine, as well
as a full description of the problem encountered.
NOTE: The descriptions and specifications
contained in this manual were in effect at the time
the manual was approved for printing. Ariens
Company reserves the right to discontinue
models without notice and without incurring
obligation. The equipment described within this
manual may not be identified as either standard
or optional and the various illustrations may not
all be applicable to your particular unit. If you
have questions, always check with your Ariens
dealer.
Safety Alert Symbol And Notations
The following safety notations are used
throughout this manual to call attention to special
information or operating procedures. Understand
the message in each notation and be alert to
unsafe conditions and the possibility of personal
injury.
NOTE: A NOTE points out general reference
information regarding proper operation and
maintenance practices.
IMPORTANT: An IMPORTANT statement
indicates specific procedures or information that
is required to prevent damage to the machine or
its attachments.
A This safety alert symbol is used to
attract your attention! PERSONAL
SAFETY IS INVOLVEDI When you
see this symbol - BECOME ALERT -
HEED ITS MESSAGE.
DANGER: Indicates an imminently
hazardous situation that, if not
avoided, will result in death or
serious injury.
A
A
WARNING: Indicates a potentially
hazardous situation that, if not
avoided, could result in death or
serious injury.
CAUTION: Indicates a potentially
hazardous situation that, if not
avoided, may result in minor
moderate injuiy.
The engine exhaust from this product
contains chemicals known to the State of
California to cause cancer, birth defects or
other reproductive harm.
OLOOIO
I

Contents
Model
Safety Alert and Notations.i
Safety Precautions.1
Safety Decals.... 4
Controls and Features.6
Operation.7
Lubrication and Maintenance.11
Adjustments.17
Storage.20
Service Manual.20
Trouble Shooting.21
Specifications....22
Dealer Preparation.24
Attachments.28
Accessories....28
Warranty......29
Specific Model and Serial Numbers are on a
label located on the frame of your Sno Thro and
on a label located on the product registration
form. Record those numbers below and transfer
the label from the product registration to place
indicated below. Use these numbers whenever
parts or service is required.
Model Number
Serial Number
I TRANSFER
-| MODEL SERIAL
■ LABEL FROM
- PRODUCT
I REGISTRATION
Model 924080 (TT 8)
8 HP. Tractor
Serial No. 000101 and up
Model 924082 (ST824)
8 H P. w/24” Attachment
Serial No. 039200 and up
Model 924084 (ST1032)
10 H.P. w/32“ Attachment
Serial No. 000101 and up
Model 924085 (ST1236)
12 H.P. w/36* Attachment
Serial No. 000101 and up
Model 924086 (ST1028)
10 H.P. w/28' Attachment
Serial No. 000101 and up
Model 924093 (ST924)
9 H.P. w/24” Attachment
Serial No. 001700 and up
Model 924311 (ST824)
8 H.P. w/24" Attachment
Serial No. 001000 and up
Model 924312 (ST924E)
9 H.P. w/24" Attachment
Serial No. 000150 and up
Model 924313 (ST1028)
10 H.P. w/28” Attachment
Serial No. 000101 and up
Model 924314 (ST1228E)
12 H.P. w/28” Attachment
Serial No. 000101 and up
Model 924315 (ST1232E)
12 H.P. w/32” Attachment
Serial No. 000101 and up
Model 924316 (ST1236E)
12 H.P. w/36” Attachment
Serial No. 000101 and up
NOTE: All references to “Left”, “Right” and
“Front” and “Rear” are given from operators
position.
Safety Precautions
Training
Read and understand this Owner’s Manual and
engine instructions before operating unit. Be
thoroughly familiar with controls and proper use
of equipment. Know how to stop unit and
disengage controls quickly in an emergency.
Use only attachments or accessories designed
for your unit. See your Ariens Dealer for a
complete list of recommended attachments or
accessories.
Understand and follow each Warning, Caution,
Danger and instruction decal installed on
equipment.
NEVER allow children to operate equipment. DO
NOT allow adults to operate unit without proper
instruction.
Keep the area of operation clear of all persons,
particularly children and pets.
Safe operation of this equipment requires your
complete and unimpaired attention at all times.
DO NOT operate unit after or during the
consumption of medication, drugs or alcohol.
Preparation
Thoroughly inspect and clear work area of
objects which might be picked up and thrown.
Remove all doormats, sleds, boards, wires,
bones and other foreign objects.
Wear adequate winter outer garments and
footwear which will improve footing on slippery
surfaces.
© Ariens Company - All Rights Reserved
1

Safety Precautions (Continued)
Wear eye protection such as safety goggles to
protect eyes from objects that may be thrown
from machine.
DO NOT wear loose clothing or scarves that may
get caught in rotating parts of unit.
Gasoline is highly flammable and its vapors are
explosive. Handle with care. Use an approved
fuel container.
NEVER allow smoking materials, sparks or flame
match, pilot light, etc.) near equipment or fuel
container.
Check fuel supply before starting engine. Fill fuel
tank outdoors with extreme care, DO NOT fill fuel
tank indoors, when engine is running or while
engine is still hot from operation. Replace fuel
cap securely and wipe up spilled fuel and allow
vapors to dissipate before starting engine.
Adjust auger/impeller housing height to clear
gravel or crushed rock surfaces.
NEVER attempt to make any adjustments to unit
while engine is running (except where specifically
recommended.)
Disengage all clutches and shift into neutral
before starting engine (motor).
Use grounded three-wire plug-in for electric
starter, if so equipped.
Let engine and machine adjust to outdoor
temperatures before starting to clear snow.
Operation
DO NOT put hands or feet near or under rotating
parts. Keep clear of discharge opening at all
times.
Keep equipment in good condition. Keep all
shields in place and safety devices operating
properly.
Open doors if engine is run in garage, exhaust
fumes are dangerous. DO NOT run engine in an
enclosed area.
Operate equipment only when there is good
visibility and light
Always be sure of your footing (Walk, never run).
Exercise caution to avoid slipping or falling,
especially when operating in reverse.
DO NOT operate unit at high transport speeds on
slippery surfaces. Use care when backing.
Disengage power to auger/impeller when unit is
being transported or is not in use.
DO NOT overload machine capacity by
attempting to clear snow at too fast a rate.
NEVER direct discharge of material toward
bystanders nor allow anyone in front of
equipment while unit is in operation. Be familiar
with area of operation. Thrown objects can
cause severe injury.
Stay alert for holes, rocks, roots and hidden
hazards in area of operation.
Exercise extreme caution when operating on or
crossing gravel drives, walks, or roads. Stay alert
for hazards and traffic. DO NOT operate Sno-
Thro near glass enclosures, automobiles,
window wells, drop-offs, etc., without proper
adjustment of discharge direction and angle.
DO NOT clear snow across face of slopes.
Exercise extreme caution when changing
direction on slopes. DO NOT attempt to clear
steep slopes.
Stop engine, remove key, wait for moving parts
to stop and remove wire from spark plug (keep
wire away from spark plug to prevent accidental
starting) before leaving operator’s position for
any reason such as unclogging auger/impeller
housing, discharge chute, when making any
repairs, adjustments, inspections or cleaning
unit.
DO NOT touch equipment parts which might be
hot from operation. Before attempting to
maintain, adjust or service allow such parts to
cool.
If equipment vibrates abnormally disengage
attachment, stop engine at once, and remove
key. Abnormal vibration is a warning of trouble.
Repair any damage before restarting unit.
2

Safety Precautions (Continued)
Stop engine and remove wire from spark plug
after striking a foreign object. Thoroughly inspect
Sno Thro for any damage and repair damage
before restarting and operating unit.
Run unit a few minutes after throwing snow to
prevent freeze-up of auger/impeller in housing.
Take all possible precautions when leaving unit
unattended, such as disengaging power to
attachment, stopping engine and removing key to
prevent unauthorized use.
Maintenance and Storage
DO NOT change engine governor setting or
overspeed engine.
Keep all nuts, bolts and screws tight and be sure
equipment is in safe working condition. Check
shear bolts and all hardware at regular intervals.
Refer to Owner’s Manual for important
instructions if Sno-Thro is to be stored for an
extended period.
Never store equipment with fuel in tank inside a
building where fumes may reach an open flame
or spark. Allow engine to cool before storing in
any enclosure.
Maintain or replace safety and instruction decals,
as necessary.
On units with 12 volt batteries use extreme care
when servicing the battery. When charging the
battery remove it from the snow thrower and
make certain that you connect positive (+) lead of
charger to positive (+) terminal and negative (-)
lead to negative (-) terminal. Reverse
connections can cause sparks and potential
unsafe conditions.
3

Safety Decals
[A DANGER]
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Attention
When using summer
attachments, remove
heater box and
install air cleaner.
Engine Instructions
CAUTION:
A For your personal protection,
«»rend all safety notes in engine
owner's manual
OPERATION:
For detailed lubrication, start¬
ing & operating instructions
see engine owner's manual &
equipment infr.'s instruction
LUBRICATION:
Summer.SAE 30 Oil
Winter.SAE SW-30 Oil
A DANGER
ajJ# Keep clear of
^ W auger while
engine is running.
Figure 1: Decals
«l

Controls And Features
1. Chute Deflector
2. Discharge Chute
3. Differential Lock Hub
4. Housing (Auger/Impeller)
5. Scraper Blade
6. Auger
7. Impeller
8. Runners
9. Belt Guard
10. Fuel Shut-Off Valve
11. Fuel Tank & Cap
12. Wheel Drive Clutch Lever
13. Throttle
14. Choke
15. Primer Bulb
16. Spark Plug & Wire
17. Oil Fill & Dip Stick
18. Attachment Clutch Lever
19. Chute Crank
20. Engine Ignition (Key Switch)
21. Speed Selector
22. Deflector Remote
NOT SHOWN
23. Light
(ST1028,1032,1236 Standard)
(ST324, Optional)
Figure 2: Component Identification
6

Operation
Pre-Starting
j. WARNING: Wear adequate winter
/V outer garments, footwear which will
improve footing on slippery surfaces
and eye protection such as safety
goggles. DO NOT wear loose
clothing or scarves that may get
caught in rotating parts of unit.
(Red) gasoline container.
Check fuel supply. Fill gasoline tank with good
grade of fresh unleaded gasoline (leaded if
unleaded is unavailable). DO NOT use premium,
gasahol or mix gasoline with oil.
NOTE: To prevent foreign particles from entering
tank while filling; wipe snow, dust, dirt and debris
from around cap before removing.
A CAUTION: Make sure all hardware is
tight, all safety devices in place and
all adjustments correct.
IMPORTANT: Check impeller to be sure it is not
frozen by removing spark plug wife, engaging
attachment clutch and pulling rewind starter. If
impeller is frozen, move Sno-Thro to a heated
area and thaw to prevent possible damage to
unit.
NOTE: 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.
Check that engine crankcase oil is full using
dipstick. Refer to Lubrication and Maintenance
Section.
Starting
CAUTION: DO NOT attempt to start
your engine at this time. Thoroughly
read this entire Owner’s Manual and
engine manufacturers operating
instructions first.
Function of Clutches
CAUTION: Check clutch
disengagement before each use. If
clutches do not function properly,
adjust or repair per instructions in
Adjustments Section of this manual
before operating unit.
On units with interlock, check interlock by
pressing down on clutch levers (engaging both
clutches). Remove hand from attachment clutch
lever, attachment clutch should remain engaged
until traction clutch lever is released then both
clutches must disengage.
Differential Lock
On units with differential, to engage differential
lock pull and turn knob to "LOCKED" position
and release (it will snap in when positioned
correctly). To resume differential action, for
transport, etc., pull and turn knob to
"UNLOCKED" and release.
With differential locked, power is applied equally
to both wheels. Engage differential lock (located
in left wheel hub) for best traction when throwing
snow.
Runners
NOTE: Try out each control without running
engine to see how they work and what they do.
Fuel
yk CAUTION: Adjust auger/impeller
housing (scraper blade) height to
clear gravel or crushed rock
surfaces.
- WARNING: Gasoline is highly
^ flammable and must be handled with
care. Never fill tank when the engine
is running or hot from operation. DO
NOT allow open flame, matches or
smoking in area. DO NOT overfill.
Wipe up any spills. Use approved
Runners should be adjusted as conditions
require. Raising or lowering runners controls
distance scraper blade (auger/impeller housing)
is held above surface being cleared.
7

Operation (Continued)
When operating machine on gravel surface,
lower runners so that housing will not pick up
gravel. On concrete, blacktopped or packed
snow surfaces raise runners so that scraper
blade scrapes clean. To reduce tendency of
housing to ride up over heavy wet or hard-
packed snow, remove runners and re-install with
their narrow edge down.
Position Sno-Thro on a flat level surface. Adjust
runners by inserting a spacer of desired
thickness under center of scraper blade, loosen
hardware, slide runners to flat surface and
retighten hardware.
NOTE: Above method keeps housing level by
adjusting runners equally. Uneven runners make
machine difficult to steer and results in uneven
clearing.
Chute Deflector
Position Deflector at desired height. DO NOT
throw snow any higher than necessary. (Remote
control, turn knob 1/4 turn to unlock, push in or
pull out to desired height and turn knob to lock
deflector in position). _ __ — -
Discharge Chute --W--
A
A
DANGER: DO NOT put hands or feet
near or under rotating parts. Keep
clear of discharge opening at all
times.
WARNING: NEVER direct discharge
of material toward bystanders nor
allow any one in front of equipment
while unit is in operation. Be familiar
with area of operation
IMPORTANT: DO NOT operate Sno-Thro near
glass enclosures, automobiles, window wells,
dropoffs etc., without proper adjustment of
discharge direction and angle.
Direct snow away from area to be cleared and
with direction of wind whenever possible. Chute
rotates 230 degrees.
Snow is best removed as soon as possible after
a snow fall.
Engine Ignition
® *
WARNING: If equipment vibrates
abnormally disengage attachment,
stop engine at once, and remove
key. Abnormal vibration is a
warning of trouble. Repair any
damage before restarting unit.
CAUTION: Turn Key “OFF” and
remove it before attempting any
maintenance, adjustment or leaving
unit unattended.
To start engine, place Key in Switch and turn it
clockwise to “engine ignition" position.
Throttle
Throttle controls engine speed. To increase
engine speed (Pull-Up), to decrease (Push-
Down) throttle. Set throttle at part-throttle position
for cold weather starts and at fast position for
normal operation or warm starts.
Choke Q00
Move choke control to “Choke Closed" position.
When engine has started, open choke gradually.
NOTE: A warm engine requires less choking
than a cold engine. If fuel drips out of carburetor
while trying to start engine, engine is over¬
choked. Pull starter several times with choke
open.
Primer Bulb
Push primer bulb quickly two or three times when
engine is cold. When temperatures go below—
15° Fahrenheit repeat priming may be needed.
8

Operation (Continued)
Rewind Starter
WARNING: To prevent discharge
toward operator starting position,
always turn discharge chute straight
ahead for starting unit.
Headlight operates only when engine is running.
Adjust headlight by loosening hardware, position
light and retighten hardware.
NOTE: Lamp remains “ON” at all times for longer
lamp life. Lamp is more sensitive to fatigue failure
when unlit than when lit.
Stand to right of unit and grasp starter handle
and pull rope out slowly until it pulls harder, this is
compression stroke, let rope rewind slowly. Then
pull rope with a rapid continuous full arm stroke.
Let rope rewind slowly.
IMPORTANT: DO NOT let starter handle snap
against starter.
Repeat above instructions until engine starts.
(Refer to engine manufacturer's instructions).
After engine has started and choke has been
opened, set throttle at its fast position.
NOTE: If Sno-Thro is equipped with electric
starter, refer to instructions provided with starter
accessory.
Electric Starter
A WARNING: To prevent discharge
toward operator starting position,
always turn discharge chute straight
ahead for starting unit.
If your machine is equiped with a 12V electric
starter, turn key to the start position after properly
preparing engine with choke and primer. Repeat
prime and crank after 4 to 6 revolutions when
very cold.
Repeat above instructions until engine starts.
(Refer to engine manufacturer’s instructions).
After engine has started and choke has been
opened, set throttle at its fast position.
Headlight
A CAUTION: Operate equipment only
with good visibility and light.
Speed Selector
CAUTION: DO NOT overload
machine capacity by attempting to
clear snow at too fast a rate.
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A
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o
Speed Selector controls unit's forward speed and
reverse motion. Moving Speed Selector forward
increases forward travel speed. Moving it
rearward decreases forward motion and/or
engages reverse motion.
IMPORTANT: Position Speed Selector in notch
of desired speed. Forward speed can be
changed without declutching. DO NOT change
motion from forward to reverse with clutch
engaged.
NOTE: Low speed (1) is recommended for
removing deep or hard-packed snow.
Traction Drive Clutch
CAUTION: Stay alert for holes,
rocks, roots and hidden hazards in
area of operation. Exercise extreme
caution when operating on or
crossing gravel drives, walks or
roads. Stay alert for hidden hazards
or traffic.
Pressing down on left clutch lever engages wheel
drive for propelling unit. Releasing clutch lever
stops forward or reverse movement
NOTE: Headlight is standard equipment on ST
1028 1032 and 1236. Headlight is optional for ST
824 and ST 924.
9

Operation (Continued)
» CAUTION: Disengage power to
auger/ impeller when unit is being
transported or is not in use. DO NOT
operate unit at high transport
speeds on slippery surfaces. Use
care when backing.
NOTE: When transporting unit to or from area to
be cleared, press down on handlebars enough to
raise front of Sno-Thro slightly off surface and
engage wheel drive clutch without engaging
attachment drive clutch.
Attachment Clutch
A CAUTION: Stop engine and remove
wire from spark plug after striking a
foreign object. Thoroughly inspect
Sno-Thro for any damage and repair
damage before restarting and
_operating unit._
Stopping
WARNING: Take all possible
precautions when leaving unit
unattended, such as disengaging
power to attachment, stopping-
engine and removing key to prevent
unauthorized use.
IMPORTANT: Run attachment a few minutes
after throwing snow to prevent freeze-up of
auger/impeller.
Release attachment clutch, throttle down and
turn engine ignition key to “STOP 11 .
Pressing down on right attachment clutch lever
engages attachment and releasing it disengages
attachment. Both clutch levers must be released
to insure stopping of attachment drive.
NOTE: Attachment clutch should be engaged
before wheel drive clutch when attempting to
throw snow.
To clear an area, run Sno-Thro in an overlapping
series of paths. For large areas start in middle
and blow snow to each side so you do not have
to move it more than once.
10

Lubrication And Maintenance
Ariens Dealers will provide any service which
may be required to keep your Sno-Thro operating
at peak efficiency. Should engine service be
required, it can be obtained from an Ariens dealer
or an authorized engine manufacturer’s service
center.
WARNING: Stop engine, remove
key, wait for moving parts to stop
and remove wire from spark plug
(keep wire away from spark plug to
prevent accidental starting) before
any lubrication or maintenance
procedures.
CAUTION: DO NOT touch engine or
Sno Thro drive parts which are hot
from operation. Allow such parts to
cool before servicing unit.
Engine Oil Checking
The engine crankcase oil should be checked
daily or every 5 hours of operation. Oil level
MUST be maintained in safe operating range on
dipstick at all times or engine damage will result.
To check oil, park Sno-Thro on a flat level
surface. Wipe all debris from around dipstick,
remove it and wipe oil off. Screw dipstick
assembly firmly but slowly until cap bottoms on
tube. Remove dipstick and observe oil level. If
low add clean fresh oil, of same type and
viscosity as is in engine, to bring oil level to Full
(F) mark (per engine manufacturer’s instructions)
IMPORTANT: DO NOT overfill. Level must not
exceed full (F) mark.
Engine Oil Changing
IMPORTANT: Change oil after first 5 hours of
operation, thereafter change oil every 25 hours of
operation (more often in dusty, dirty conditions).
See Engine Manufacturer’s Instructions for
proper type, viscosity and amount required.
NOTE: Run engine just prior to changing oil. Oil
will flow more freely and carry away more
contamination when warm.
Drain crankcase by removing oil drain plug.
When oil has drained replace plug and refill
engine crankcase with new oil of proper grade
(per engine manufacturer’s instructions).
Recheck oil level with dipstick.
Engine Cooling
The engine is air cooled. Air must circulate freely
around engine from air intake screen, over
cooling fins on cylinder head and block to prevent
overheating.
Every 100 operating hours or yearly (more often
if conditions require) remove cooling shrouds and
clean cooling fins. Also clean external surfaces of
your engine of dust, dirt and oil deposits which
can contribute to improper cooling.
IMPORTANT: DO NOT operate engine with
cooling shrouds removed - this will cause
overheating and engine damage.
Shear Bolt Replacement
WARNING: Stop engine, remove
key, wait for moving parts to stop
and remove wire from spark plug
before leaving operator's position
and attempting to maintain or
inspect auger.
IMPORTANT: Use only Ariens Shear Bolts for
replacement. Use of any other type of shear bolt
may result in severe damage to unit.
Occasionally an object may enter auger/impeller
housing and jam auger, breaking shear bolts
which secures auger to shaft. This allows auger
to turn freely on shaft preventing damage to gear
drive.
To replace shear bolt, 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). Drive shear bolt through hole (if shear
bolt was broken this will drive remaining part from
shaft) and secure with nut.
11

Lubrication And Maintenance (Continued)
Attachment Drive Belt
A WARNING: Stop engine, remove key,
wait for moving parts to stop and
remove wire from spark plug before
attempting any repairs, adjustments,
inspections or cleaning unit.
WARNING: Gasoline is highly
flammable and its vapors are
explosive. Handle with care. Never
allow smoking materials, sparks or
flame (match, pilot light, etc.) near
equipment or fuel container.
1. Traction Belt Idler
2. Attachment Belt Idler
3. Traction Drive Belt
4. Attachment Drive Belt
Figure 3: Belt and Idlers
To separate housing from unit, remove two
screws securing belt guard to unit and remove
belt guard. Remove hairpin from chute crank
assembly at “U” joint and separate.
Remove attachment drive belt from engine pulley
(it may be necessary to turn engine pulley using
rewind starter).
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.
Remove cap screws securing housing to frame
(one on each side). Tip housing and frame apart
on pivot pin.
Remove attachment drive belt from sheave (hold
brake away from belt).
Replace attachment drive belt in reverse order
making sure sheaves align. If alignment is
necessary, loosen attachment sheave set
screws, reposition sheave and retighten set
screws.
A WARNING: When clutch is engaged,
impeller brake disengages. If brake
is not 1/16 min. from belt when
disengaged, refer to Adjustments
Section page 16-18.
Traction Drive Belt
NOTE: Housing and frame must be tipped apart
and attachment drive belt removed from engine
sheave in order to change traction drive belt.
(See Attachment Drive Belt above).
Pull idler away from belt and remove belt from
idler pulley, engine and driven pulley (it may be
necessary to turn engine pulley using rewind
starter).
NOTE: To gain clearance engage traction clutch
and if necessary pull back attachment idler arm
clevis pin.
Replace traction drive belt in reverse order
making sure pulleys align. If alignment is
necessary, loosen engine pulley set screws,
reposition pulley and retighten set screws. Check
alignment of attachment driven pulley and align if
necessary.
12

Lubrication And Maintenance (Continued)
1
1. CapScrew
2. Friction Wheel
Figure 4: Friction Wheel
Friction Wheel
To replace friction wheel, tip unit up onto housing
on a flat level surface.
Remove bottom cover by removing four cap
screws.
Place Speed Selector in first “1” position, depress
Traction Clutch Lever to hold friction wheel and
hub. Release traction clutch lever, remove cap
screws, shift to third “3” position, and remove
friction wheel.
Secure new friction wheel on hub with five cap
screws and torque cap screws to 8-10 foot
pounds.
Replace bottom cover.
Adjust Traction Drive Clutch per instructions in
Adjustment Section page 17.
Auger Gearcase
IMPORTANT: Too much lubricant may cause
excessive leakage. Too little lubricant will cause
gear and/or bearing damage.
Gear cases are filled to the correct level at the
factory. Unless there is evidence of leakage, no
additional lubricant should be required. Check
for evidence of leakage every 25 hours of
operation.
3. Ariens Special L-2 Gear Lube
4. Auger Gearcase Aluminum
Figures: Gear Lubrication
Cast iron Gearcase
On models using cast iron gearcases correct
level (5 oz.) is at oil fill plug with machine on flat
level surface.
Aluminum Gearcase
IMPORTANT: Too much lubricant may cause
leadage. Too little lubricant will cause gear
and/or bearing damage.
Gear cases are filled to the correct level at the
factory. Unless there is evidence of leakage, no
additional lubricant should be required. Check
for evidenence of leakage every 25 hours of
operation.
To insure adequate lube level, (2 oz. mininum),
the following checking procedure is
recommended.
To check remove filler plug. Lubricant must be at
least up to bottom of lube filler hole with unit
resting on a level-surface. Add, if required, drain
level and replace plug.
When adding lubricant, add only Ariens special
gear lube L-2 (Part Number 000080).
13

Lubrication And Maintenance (Continued)
Oil and Grease Locations
CAUTION: DO NOT touch engine or
Sno Thro drive parts which are hot
from operation. Allow such parts to
cool before servicing unit._
IMPORTANT: Wipe each fitting clean before and
after lubrication.
NOTE: Use Ariens Multi-Purpose Grease (Part
Number 000150) or good grade of general
purpose grease at zerk fittings and oil at
lubrication points.
Sno-Thro should be lubricated at beginning of
season or every 25 operating hours. Grease and
oiling points are indicated in Figure 7.
IMPORTANT: DO NOT allow grease or oil to get
on friction wheel, drive disc or belts.
NOTE: To grease auger shaft, remove shear bolt
nuts, & shear bolts. Turn auger on shaft while
applying grease at zerk fittings. Replace shear
bolt per instructions in Shear Bolt Replacement.
Battery
WARNING: Batteries produce
explosive gases which can cause
personal injury. DO NOT allow
flames, sparks or any ignited object
to come near battery.
Every 25 hours or each week check electrolyte
level of each cell by removing caps one at a time.
The electrolyte level should be evel indicator.
Use distilled water to fill each cell if needed.
Install and tighten each cap after checking.
IMPORTANT: When distilled water is added to
battery during freezing weather, it must be
charged to mix water with electrolyte or water will
remain at top and freeze.
Keep battery and its terminals clean and inspect
monthly to be sure of obtaining best
performance.
A WARNING: DO NOT allow tools or
other objects to come into contact
with both terminals at same time.
When removing battery from
tractor, remove negative (-) cable
_first to reduce risk of sparks._
To clean terminals remove battery from tractor by
removing cables. Loosen tie down rod nuts and
lift battery out and clean or service away from
unit.
Remove corrosion from battery terminals and
cable connections with a wire brush, then wash
with a weak baking soada solution.
When charging or working near a battery, always
shield your eyes and provide ventilation.
A CAUTION: Keep batteries out of
reach of children. Batteries contain
sulfuric acid. Avoid contact with
skin, eyes or clothing. In case of
acid contact with skin, eyes or
clothing, flush immediately with
water for a minimum of 15 minutes.
If acid is swallowed, drink large
quantities of milk or egg or
vegetable oil. Call a physician
immediately.
14

Lubrication And Maintenance (Continued)
10. Auger and Shaft
Figure 6: Grease and Oil Points
15

and
Grease
Rakes
Lubrication and Maintenance (Continued)
MAINTENANCE
RECORD

Adjustments
Ariens Company recommends that you have
adjustments made by your Ariens dealer. He has
tools and the know-how to properly perform
adjustments which may be required to keep your
Sno-Thro operating at peak efficiency. Should
you decide to make the following adjustments on
your Sno-Thro yourself, Ariens Company
recommends that you call your dealer for
answers to any questions that might arise.
WARNING: Stop engine, remove
key, wait for moving parts to stop
and remove wire from spark plug
(keep wire away from spark plug) to
prevent accidental starting before
attempting to make adjustments.
Runners
See Operating Section, Page 6.
Scraper Blade
IMPORTANT: If blade wears too far
auger/impeller housing may be damaged.
Scraper blade is adjustable to compensate for
wear.
To adjust scraper blade, tip unit back onto
handlebar, support housing and loosen nuts
retaining blade. With runners adjusted to their full
up position, reposition scraper blade down, flush
with runners, and tighten lock nuts.
Chute Crank
Smooth and easy rotation of properly lubricated
chute with crank (without binding) is obtained by
adjusting clearance between worm and discharge
chute gear teeth. To adjust, loosen nut on
bracket supporting worm, position worm to fully
engage (without binding), gear teeth on
discharge chute and tighten nut. See figure 7.
To prevent discharge chute from rotating by itself
when unit is being operated, tighten jam nuts on
end of crank rod to put increased tension on
worm gear.
2
1. Jam Nuts 3. Bracket
2. Nut 4. Worm Gear
Figure 7: Chute Crank
Attachment Clutch/Impeller Brake
WARNING: With improper use,
injury may result if attachment
clutch lever is released and brake
DOES NOT STOP auger/impeller
within 5 seconds.
WARNING: Gasoline is highly
flammable and its vapors are
explosive. Handle with care. Never
allow smoking material, sparks or
flame (match, pilot light, etc.) near
equipment or fuel container.
CAUTION: When unit is tipped up
onto housing, remove enough fuel
so that no spillage will occur.
Remove belt cover. Adjust attachment clutch
with both clutch lever and clutch arm in
disengaged position, pull clutch chain taut and
connect chain link to spring.
NOTE: Once proper chain link position has been
selected it "Must" remain there. Do not utilize
chain length to adjust for the 3/8“ spring
extension.
17

Adjustments (Continued)
1. Brake Shoe
2. Drive Belt
3. Spring Extension - 3/8”
Figure 8: Impeller Brake
Spring extension is to be obtained only by proper
positioning of the attachment idler. Move the
attachment idler toward the belt to increase
spring extension. Approximately (1/8")
movement of the idler will increase spring
extension by (1/8"). Spring should extend
approximately 3/8" when clutch is engaged but
allow clutch arm (at lower end) to return to it’s
maximum down position when clutch is
disengaged.
To check and/or adjust impeller brake, tip unit
forward onto auger/impeller housing. Remove
bottom cover by removing four cap screws.
Measure distance between impeller brake shoe
and belt with attachment clutch engaged (refer to
Figure 8). Impeller brake shoe should be 1/16
inch minimum from belt. When attachment clutch
is disengaged, brake must contact belt.
If proper brake adjustment cannot be obtained
see your Ariens Dealer.
Traction Drive Clutch
WARNING: Gasoline is highly
flammable and its vapors are
explosive. Handle with care. Never
allow smoking materials, sparks or
flame (match, pilot light, etc.) near
equipment or fuel container.
A CAUTION: When unit is tipped up
onto housing remove enough fuel
so that no spillage will occur.
Adjust traction clutch to compensate for wear of
friction wheel when slippage occurs.
To adjust traction clutch, place speed selector in
First (1) and tip machine forward onto housing.
18