ST0320
Snow Thrower
OPERATOR’S
MANUAL
MTF-041007C
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RULES FOR SAFE OPERATION
IMPORTANT
WARNING: Always disconnect the spark plug wire and place it where it cannot make contact with
spark plug to prevent accidental starting during: Preparation, Maintenance, or Storage of your
snowthrower.
Safe Operation Practices for Snowthrowers
As Recommended By: American National Standards Institute.
a. Use an approved fuel container.
b. Never remove fuel tank cap or add fuel to a running en-
gine (motor) or hot engine (motor).
Engine Exhaust, some of its constituents, and
certain vehicle components contain or emit
chemicals known to the State of California to
cause cancer and birth defects or other repro-
ductive harm.
c. Fill fuel tank outdoors with extreme care. Never fill fuel
tank indoors.
d. Replace fuel cap securely and wipe up spilled fuel.
e. Never store fuel or snowthrower with fuel in the tank
inside of a building where fumes may reach an open
flame or spark.
f. Check fuel supply before each use, allowing space for
expansion as the heat of the engine (motor) and/or sun
can cause fuel to expand.
Battery posts, terminals and related accesso-
ries contain lead and lead compounds, chemi-
cals known to the State of California to cause
cancer and birth defects or other reproductive
harm. WASH HANDS AFTER HANDLING.
5. For all units with electric starting motors use electric
starting extension cords certified CSA/UL. Use only with
a receptacle that has been installed in accordance with
local inspection authorities.
6. Adjust the snowthrower height to clear gravel or crushed
rock surface.
7. Never attempt to make any adjustments while the en-
gine (motor) is running (except when specifically recom-
mended by manufacturer).
IMPORTANT: Safety standards require operator presence
controls to minimize the risk of injury. Your snowthrower is
equipped with such controls. Do not attempt to defeat the
function of the operator presence control under any cir-
cumstances.
8. Let engine (motor) and snowthrower adjust to outdoor
temperatures before starting to clear snow.
9. Always wear safety glasses or eye shields during oper-
ation or while performing an adjustment or repair to pro-
tect eyes from foreign objects that may be thrown from
the snowthrower.
Training
1. Read the operating and service instruction manual care-
fully. Be thoroughly familiar with the controls and the
proper use of the equipment. Know how to stop the unit
and disengage the controls quickly.
2. Never allow children to operate the equipment. Never
allow adults to operate the equipment without proper
instruction.
Operation
1. Do not operate this machine if you are taking drugs or
other medication which can cause drowsiness or affect
your ability to operate this machine.
3. Keep the area of operation clear of all persons, particu-
larly small children and pets.
2. Do not use this machine if you are mentally or physically
unable to operate this machine safely.
4. Exercise caution to avoid slipping or falling especially
when operating in reverse.
3. Do not put hands or feet near or under rotating parts.
Keep clear of the discharge opening at all times.
4. Exercise extreme caution when operating on or crossing
gravel drives, walks or roads. Stay alert for hidden haz-
ards or traffic.
5. After striking a foreign object, stop the engine (motor),
remove the wire from the spark plug, thoroughly inspect
snowthrower for any damage, and repair the damage
before restarting and operating the snowthrower.
6. If the unit should start to vibrate abnormally, stop the
engine (motor) and check immediately for the cause.
Vibration is generally a warning of trouble.
Preparation
1. Thoroughly inspect the area where the equipment is to
be used and remove all doormats, sleds, boards, wires,
and other foreign objects.
2. Disengage all clutches before starting the engine
(motor).
3. Do not operate the equipment without wearing adequate
winter outer garments. Wear footwear that will improve
footing on slippery surfaces.
4. Handle fuel with care; it is highly flammable.
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RULES FOR SAFE OPERATION
7. Stop the engine (motor) whenever you leave the operat-
Maintenance And Storage
ing position, before unclogging the auger/impeller hous-
ing or discharge chute and when making any repairs,
adjustments, or inspections.
1. Check shear bolts and other bolts at frequent intervals
for proper tightness to be sure the equipment is in safe
working condition.
8. When cleaning, repairing, or inspecting, make certain
the auger/impeller and all moving parts have stopped
and all controls are disengaged. Disconnect the spark
plug wire and keep the wire away from the spark plug to
prevent accidental starting.
2. Never store the snowthrower with fuel in the tank inside
a building where ignition sources are present such as
hot water and space heaters, clothes dryers, and the
like. Allow the engine (motor) to cool before storing in
any enclosure.
9. Take all possible precautions when leaving the snow-
thrower unattended. Disengage the auger/ impeller, stop
engine (motor), and remove key.
3. Always refer to operator’s guide instructions for import-
ant details if the snowthrower is to be stored for an ex-
tended period.
10.Do not run the engine (motor) indoors, except when
starting the engine (motor) and for transporting the
snowthrower in or out of the building. Open the outside
doors; exhaust fumes are dangerous (containing CAR-
BON MONOXIDE, an ODORLESS and DEADLY GAS).
4. Maintain or replace safety and instruction labels, as
necessary.
5. Run the snowthrower a few minutes after throwing
snow to prevent freeze- up of the auger/impeller.
11. Do not clear snow across the face of slopes. Exercise
extreme caution when changing direction on slopes. Do
not attempt to clear steep slopes.
12.Never operate the snowthrower without proper guards,
plates or other safety protective devices in place.
WARNING: Avoid
injury from rotating
auger- keep hands,
feet, and clothing
away.
13.Never operate the snowthrower near enclosures, auto-
mobiles, window wells, drop- offs, and the like without
proper adjustment of the snow discharge angle. Keep
children and pets away.
14.Do not overload the machine capacity by attempting to
clear snow at too fast a rate.
15.Never operate the machine at high transport speeds on
slippery surfaces. Look behind and use care when back-
ing up.
16.Never direct discharge at bystanders or allow anyone in
front of the unit.
WARNING: Do not use
hands to unclog discharge
chute.
17.Disengage power to the collector/impeller when snow-
thrower is transported or not in use.
18.Use only attachments and accessories approved by the
manufacturer of the snowthrower (such as tire chains,
electric start kits, ect.).
• Stop engine/motor
before removing debris.
• Do not walk in front
of running machine.
19.Never operate the snowthrower without good visibility or
light. Always be sure of your footing and keep a firm
hold on the handles. Walk;never run.
• Do not discharge at
bystanders.
20.Do not over- reach. Keep proper footing and balance at
all times.
• Keep people and pets
a safe distance from the
machine.
21.Exercise caution if operating on steep sloping surfaces.
22.This snowthrower is for use on sidewalks, driveways
and other ground level surfaces.
• Before leaving machine,
shut off engine/ motor
and remove key.
23.Do not use the snowthrower on surfaces above ground
level such as roofs of residences, garages, porches or
other such structures or buildings.
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TABLE OF CONTENTS
SAFETY DECALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
OWNER’S INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PARTS BAGS CONTENTS: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
TOOLS REQUIRED FOR ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
HOW TO REMOVE THE SNOW THROWER FROM THE CARTON . 8
HOW TO ASSEMBLE THE HANDLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
HOW TO ASSEMBLE THE LOWER CHUTE . . . . . . . . . . . . . . . . . . . . . . 9
HOW TO ASSEMBLE THE CHUTE CONTROL ROD . . . . . . . . . . . . . . 9
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
ENGINE AND SNOW THROWER OPERATING CONTROLS . . . . . . . 10
SNOW BLOWER OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
HOW TO STOP THE SNOW THROWER . . . . . . . . . . . . . . . . . . . . . . . . 11
HOW TO CONTROL SNOW DISCHARGE . . . . . . . . . . . . . . . . . . . . . . . 11
HOW TO THROW SNOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
HOW TO MOVE FORWARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
HOW TO MIX THE FUEL MIXTURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
BEFORE STARTING THE ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
HOW TO STOP THE ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
HOW TO START THE ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
HOW TO REMOVE SNOW FROM THE AUGER HOUSING . . . . . . . . 14
SNOW THROWING TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
SERVICE RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
LUBRICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
HOW TO REMOVE THE TOP COVER . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
HOW TO REMOVE THE BELT COVER . . . . . . . . . . . . . . . . . . . . . . . . . 16
HOW TO ADJUST THE CHUTE CRANK . . . . . . . . . . . . . . . . . . . . . . . . . 17
HOW TO ADJUST THE AUGER CONTROL CABLE . . . . . . . . . . . . . . . 17
HOW TO REPLACE THE DRIVE BELT . . . . . . . . . . . . . . . . . . . . . . . . . . 18
HOW TO REPLACE THE AUGER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
TO ADJUST THE CARBURETOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
TO ADJUST OR REPLACE THE SPARK PLUG . . . . . . . . . . . . . . . . . . . 20
STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
TROUBLE SHOOTING CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
REPLACEMENT PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
PARTS SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
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SAFETY DECALS
the meaning, then thoroughly read all safety and operation
instructions in this Owner’s Manual or contact your local
dealer.
WARNING: If safety decals are dam-
aged or missing, replace immediately.
If any safety decals become worn or damaged and cannot
be read, order replacement decals from your local dealer.
Look for this symbol to indicate important safe-
ty precautions. This symbol indicates: “Atten-
tion! Become Alert! Your Safety Is At Risk.”
Identifying Your Snowthrower
The snowthrower has two (2) identifying numbers: (1) unit
model number: (2) unit serial number. The two preceding
numbers are required to insure that the proper replace-
ment parts are obtained when required. If you have any
questions concerning parts, service, or technical data, con-
tact the dealer where the unit was purchased.
Before operation of your snowthrower, read the safety de-
cals as shown on your snowthrower. The cautions and
warnings are for your safety. To avoid a personal injury or
damage to your snowthrower, understand and follow all
safety decals. If you have any questions regarding the
meaning or how to comply with the instructions, do not op-
erate until you understand the purpose for the warning or
danger given in the safety decal. If you do not understand
For complete warranty information refer to the warranty in
the Owner’s Information section of this manual.
Figure 1
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OWNER’S INFORMATION
THREE YEAR LIMITED WARRANTY
Murray warrants to the original purchaser of this Frontier Branded Snowthrower that this unit shall be free from defects in
material and workmanship under normal use and service for a period of Three (3) Year from the date of purchase; however,
this warranty does not cover accessories (such as electric starters) and Normal Wear Parts (except as noted below) as the
companies that manufacture these items furnish their own warranties and provide service through their authorized field
service facilities. For additional information, see the warranties covering these particular parts. If you are uncertain whether
your unit contains or is equipped with one or more of these parts, consult your dealer prior to purchase. Subject to the terms
and conditions noted in this Limited Warranty, we shall, at our option, repair or replace at no cost to the original purchaser
any part covered by this Limited Warranty during the applicable warranty period.
Normal Wear Parts are defined as drive belts, augers, shear pins, tires and headlights. These parts are warranted to be free
from defects in material and workmanship as delivered with the product. Any claim for repair or replacement of Normal Wear
Parts must be made within thirty (30) days of the date of purchase. No claims involving damage caused from material use,
abuse or misuse will be honored.
This Murray Three (3) Year Limited Warranty for your Frontier Branded Snowthrower is your exclusive remedy; however,
this warranty is void or does not apply to any unit that has been tampered with, altered, misused, abused. If used for
commercial and/or professional (non-homeowner) uses, the duration of this warranty is ninety (90) days after the date of
purchase. Your warranty does not cover minor mechanical adjustments which are not due to any defect in material or
workmanship. For assistance in making such adjustments, consult your Operator’s Manual.
The engine on this Frontier Branded Snowthrower is warranted to the original purchaser for only a Two (2) Year Limited
Warranty. See your engine manual for information regarding the warranty policy and items covered under warranty. See
MT
your authorized John Deere/Frontier Dealer for service or replacement parts.
To make a claim under this Murray Three (3) Year Limited Warranty for your Frontier Branded Snowthrower, return the unit
(or if authorized in advance, the defective part) along with your proof of purchase to an Authorized John Deere/Frontier Dealer
near you. To locate the nearest Authorized John Deere/Frontier Dealer, check the Yellow Page listings in your local telephone
directory. If you return the entire unit, John Deere/Frontier will repair all warranty items. If authorize to return the defective
part only, John Deere/Frontier will either replace or repair the part. This Murray Three (3) Year Limited Warranty for your
Frontier Branded Snowthrower gives you specific legal rights, and you may also have other rights which vary from state to
state. This Limited Warranty is given in lieu of all other expressed and implied warranties including the implied
warranty of merchantability and warranty of fitness for a particular purpose. If you need additional information on this
written warranty or assistance in obtaining service, contact you local John Deere/Frontier Dealer.
FOR YOUR RECORDS
DATE PURCHASED:
MODEL NO:
SERIAL NO:
STORE WHERE PURCHASED:
ADDRESS:
CITY:
STATE:
TELEPHONE :
Record this information about your unit so that you will
be able to provide it in case of loss or theft.
7
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ASSEMBLY
WARNING: Always wear safety glasses or eye
shields while assembling the snowthrower.
PARTS BAGS CONTENTS:
1 - 2.6 ounces 2-cycle oil
1 - Owner’s Manual
Figure 2 shows the snow thrower in the operating position.
TOOLS REQUIRED FOR ASSEMBLY
References to the right or left hand side of the snow throw-
er are from the viewpoint of the operator’s position behind
the unit.
1-Knife
1-Pliers
5. Cut and discard the cable tie from the lower end of the
HOW TO REMOVE THE SNOW THROWER
FROM THE CARTON
chute control rod.
6. Turn the chute deflector around toward the front of the
1. Locate all parts that are packed separately and remove
from the carton.
snow thrower.
2. Remove and discard the packing material from around
the snow thrower.
3. Cut down all four corners of the carton and lay the side
panels flat.
4. Hold onto the lower handle and pull the snow thrower off
the carton.
CAUTION: DO NOT back over cables.
5. Remove the packing material from the handle assembly.
HOW TO ASSEMBLE THE HANDLE
1. Remove the packing material from the upper and lower
handles.
2. Loosen the knobs on each side of the handle. (See
Figure 2)
3. Raise the upper handle to the operating position. Hold
the upper handle apart to prevent scratching the lower
handle.
NOTE: Make sure the cables are not caught between
the upper and lower handle.
4. Tighten the knobs.
8
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ASSEMBLY
HOW TO ASSEMBLE THE LOWER CHUTE
For shipping purposes, some models are shipped with the
rear nut and bolt removed from the lower chute. If the low-
er chute is not attached, assemble as follows.
Bolt
Nut
1. Use the bolt and nut found in the parts bag to attach
the lower chute.
Lower Chute
2. Tip the lower chute backward until the hole in the chute
ring is aligned with the hole in the lower chute. See
Figure 3
3. Attach the lower chute with bolt and nut. Make sure
the nut is tight.
Figure 3
HOW TO ASSEMBLE
THE CHUTE CONTROL ROD
Worm Gear
Chute Control Rod
1. Remove the cotter pin, flat washer, and wave washer
from the end of the chute control rod. DO NOT
DISCARD. (See Figure 4)
2. Mount the end of the chute control rod through the
hole in the control rod bracket. Make sure the worm
gear is aligned with the notches in the discharge
chute.
Wave Washer
Flat Washer
Cotter Pin
Notches
3. Fasten the chute control rod to the control rod
bracket with cotter pin, flat washer, and wave
washer.
Control Rod
Bracket
Discharge
Chute
4. Rotate the chute control rod clockwise and
counterclockwise. Make sure the discharge chute
rotates freely.
Figure 4
While learning how to use your snow thrower, pay extra
attention to the following important items:
n CHECKLIST
Before you operate your new snow thrower, to ensure that
you receive the best performance and satisfaction from
this quality product, please review the following checklist:
n Make sure the fuel tank is filled with the correct mixture
(50:1 ratio) of gasoline and oil.
n Become familiar with the location of all controls and un-
n All assembly instructions have been completed.
n The discharge chute rotates freely.
derstand their function.
n Before starting the engine, make sure all controls oper-
n No remaining loose parts in carton.
ate correctly.
9
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OPERATION
KNOW YOUR SNOW THROWER
READ THIS OWNER’S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR SNOW THROWER. Compare the
illustrations with your SNOW THROWER to familiarize yourself with the location of various controls and adjustments.
Save this manual for future reference.
Chute Control Rod
Auger Drive Lever
Recoil
Starter
Handle
Chute Deflector
Discharge
Chute
Primer
Button
Ignition Switch Key
Recoil
Starter
Spark Plug
Access Panel
Choke Control
Figure 5
ENGINE AND SNOW THROWER OPERATING CONTROLS
Auger Drive Lever - Starts and stops the auger.
Ignition Switch Key - Must be inserted and turned to the
ON position to start the engine.
Chute Control Rod - Changes the direction of snow throw-
ing through the discharge chute.
Recoil Starter Handle - Starts the engine manually.
Choke Control - Used to start a cold engine.
Chute Deflector - Changes the distance the snow is
thrown.
Primer Button - Injects fuel directly into the carburetor
manifold for fast starts in cold weather.
Discharge Chute - Changes the direction the snow is
Spark Plug Access Panel - Aides in the removal of the
thrown.
spark plug.
10
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OPERATION
NOTE: If the snow thrower continues to slowly move
SNOWTHROWER OPERATION
forward, see “How To Adjust The Auger Control
Cable” in the Service And Adjustment Section.
The most effective use of the snowthrower will be established
by experience, taking into consideration the terrain, wind
conditions and building location which will determine the
direction of the discharge chute.
2. To stop the engine, move the ignition key to the OFF
position.
NOTE: Do not discharge snow toward a building as
hidden objects could be thrown with sufficient force to
cause damage.
HOW TO CONTROL SNOW DISCHARGE
1. Turn the chute control rod to set the direction of the
snow throwing. (See Figure 5)
WARNING: Read Owner’s Manual before oper-
ating machine. This machine can be dangerous
if used carelessly.
2. Loosen the wing knob on the chute deflector and move
the deflector to set the distance. Move the deflector (Up)
for more distance, (Down) for less distance. Then tighten
the wing knob (See Figure 6).
Never operate the snowthrower without all guards,
covers, and shields in place.
Never direct discharge toward windows or allow by-
standers near machine while engine is running.
Stop the engine whenever leaving the operating posi-
tion.
Deflector Down
Deflector Up
Disconnect spark plug before unclogging the impeller
housing or the discharge chute and before making re-
pairs or adjustments.
When leaving the machine, remove the ignition key.
To reduce the risk of fire, keep the machine clean and
free from spilled gas, oil and debris.
Wing Knob
HOW TO STOP THE SNOWTHROWER
Figure 6
1. To stop throwing snow, release the auger drive lever.
(See Figure 7).
NOTE: If the auger continues to rotate, see “How To
Adjust The Auger Control Cable” in the Service and
Adjustments section.
HOW TO THROW SNOW
1. Engage the auger drive lever. (See Figure 7).
2. To stop throwing snow, release the auger drive lever.
HOW TO MOVE FORWARD
1. Hold the auger drive lever against the handle (See
Figure 7). The auger will begin rotating.
Auger
Drive Lever
2. To go forward, raise the handle to allow the rubber au-
ger blades to contact the ground. Maintain a firm hold on
the handle as the snow thrower starts to move forward.
Guide the snow thrower by moving the handle either left
or right. Do not attempt to push the snow thrower.
“Z” Hook
Figure 7
3. To stop, release the auger drive lever.
11
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OPERATION
Mix gasoline and oil as follows:
BEFORE STARTING THE ENGINE
WARNING: Experiences indicates that alcohol
blended fuels (called gasohol or those using
ethanol or methanol) can attract moisture
1. Pour one (1) U.S. quart of fresh, clean, unleaded auto-
motive gasoline into a one gallon size gasoline con-
tainer.
which leads to separation and formation of acids dur-
ing storage. Acidic gas can damage the fuel system
of an engine while in storage.
2. Add 2.6 ounces of clean, high quality, two-cycle oil to
the gasoline container.
NOTE: To avoid engine problems, the fuel system
must be emptied before storage for 30 days or longer.
Start the engine and let it run until the fuel lines and
carburetor are empty. Use the carburetor bowl drain
to empty residual gasoline from the float chamber.
Use fresh fuel next season. See the Storage section in
this manual for additional information.
IMPORTANT: Do not use outboard motor oil or
multi-viscosity oils,such as 10W-30 or 10W-40.
3. Install the fuel cap onto the gasoline container. Vigor-
ously shake the gasoline container to mix the oil with
the gasoline.
4. Add an additional three (3) U.S. quarts of gasoline to
the gallon container. Again shake the gasoline contain-
er.
Never use engine or carburetor cleaner products in the
fuel tank or permanent damage can occur.
WARNING: Gasoline is flammable. Always use
caution when handling or storing gasoline.
Do not fill fuel tank while snow thrower is run-
ning, when it is hot, or when snow thrower is in an
enclosed area.
Keep away from open flame or an electrical spark and
do not smoke while filling the fuel tank.
Never fill the tank completely. Fill the tank to within
1/4”-1/2” from the top to provide space for expansion
of fuel.
Always fill fuel tank outdoors and use a funnel or
spout to prevent spilling.
Make sure to wipe up any spilled fuel before stating
the engine.
HOW TO MIX THE FUEL MIXTURE
The two cycle engine, used on this snow thrower, requires
a mixture of gasoline and oil for lubrication of the bearings
and other moving parts. The correct fuel mixture ratio is
50:1 (2.6 oz. oil per one gallon of gas - see the Fuel Mix-
ture Chart). Gasoline and oil must be pre-mixed in a clean
gasoline container. Always use fresh, clean, unleaded gas-
oline.
FUEL MIXTURE CHART (mixture 50:1)
U.S.
IMPERIAL
SI. (Metric)
GAS
OIL
GAS
1 Gal.
OIL
GAS
OIL
Store gasoline in a clean, approved container and
keep the cap in place on the container.
1 Gal.
2.6
oz.
3.1 oz.
4
liter
80
ML
Do not fill the fuel tank with gasoline that does not have oil mixed in it. Shake the gasoline container before
each filling of the fuel tank.
Add more gas
(3 U. S. Quarts)
1 U.S.
Gallon
Special
Gasoline
1 U.S. Gallon container
Figure 8
12
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OPERATION
BEFORE STARTING THE ENGINE
1. Before you service or start the engine, familiarize yourself
with the snow thrower. Be sure you understand the func-
tion and location of all controls.
2. Be sure that all fasteners are tight.
3. Before starting the engine, make sure all controls operate
correctly.
HOW TO STOP THE ENGINE
To stop the engine, move the ignition key to the stop position.
NOTE: Allow the engine to warm up for several minutes
before blowing snow in temperatures below 05F.
HOW TO START THE ENGINE
COLD START
1. Fill the fuel tank with a fresh, clean fuel mixture. See “How
To Mix The Fuel Mixture”.
WARM START
If restarting a warm engine after a short shutdown, leave
choke at “OFF” and do not push the primer button. If the en-
gine fails to start, follow the Cold Start instructions.
2. Move the choke control to FULL position.
3. Make sure the auger drive lever is in the disengaged (re-
leased) position.
WARNING: Never run engine indoors or in en-
closed, poorly ventilated areas. Engine exhaust
contains CARBON MONOXIDE, AN ODORLESS
AND DEADLY GAS. Keep hands, feet, hair and loose
clothing away from any moving parts on engine and
snow thrower.
4. Insert the ignition key and turn to the ON position.
5. Move the choke control to the full choke position.
6. Push the primer button while covering the vent hole as
follows: Remove finger from primer button between
primes.
The temperature of muffler and nearby areas may ex-
ceed 1505F. Avoid these areas.
S
Do not prime if temperature above 50° F (10° C).
DO NOT allow children or young teenagers to operate
or be near snow thrower while it is operating.
S
Push twice if temperature is 50° F (10° C) to
15°F (-10° C).
WARNING: Do not attempt to remove any item
that may become lodged in auger without taking
the following precautions:
S
S
Push four times if temperature is below 15° F (-10° C).
Push five time if temperature is below 0° F (-18° C).
7. Rapidly pull the recoil starter handle. Do not allow the
recoil starter handle to snap back. Slowly return the re-
coil starter handle.
S
S
Release auger drive lever.
Move the ignition lever to the stop position to stop the
engine.
8. If the engine does not start in 5 or 6 tries, See the “Trouble
Shooting Chart” Instructions.
S
S
Disconnect spark plug wire.
9. As the engine warms up, move the choke control to 1/2
choke position. When the engine runs smoothly, move the
choke control to the off position.
Do not place your hands in the auger or discharge
chute. Use a pry bar.
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OPERATION
HOW TO REMOVE SNOW FROM THE AUGER
HOUSING
WARNING: Do not attempt to remove snow or
debris that may become lodged in auger
housing without taking the following precau-
tions.
1. Release the auger drive lever.
2. Remove the ignition key.
3. Disconnect the spark plug wire.
4. Do not place your hands in the auger housing or the dis-
charge chute. Use a pry bar to remove any snow or de-
bris.
10. After each snow throwing job, allow the engine to run for
a few minutes. The snow and accumulated ice will melt off
the engine.
SNOW THROWING TIPS
1. When the handle is raised, the auger blades will engage
the ground and the snow thrower will move forward. When
the auger drive lever is released, the auger blades will
stop. If the blades do not stop, see “How To Adjust The Au-
ger Control Cable” in the Service And Adjustment section.
11. Clean the snow thrower after each use.
12. Remove ice, snow and debris from the entire snow throw-
er. Flush with water to remove all salt or other chemicals.
Wipe snow thrower dry.
2. Most efficient snow throwing is accomplished when the
snow is removed immediately after if falls.
DRY AND AVERAGE SNOW
3. For complete snow removal, slightly overlap each pre-
vious path.
1. Snow up to eight inches deep can be removed rapidly and
easily by walking at a moderate rate. For snow or drifts of
a greater depth,slow your pace to allow the discharge
chute to dispose of the snow as rapidly as the auger re-
ceives the snow.
4. Whenever possible, discharge the snow down wind.
5. The distance the snow will be discharged can be adjusted
by moving the discharge chute deflector. Raise the deflec-
tor for more distance or lower the deflector for less dis-
tance.
2. Plan to have the snow discharged in the direction the wind
is blowing.
6. In windy conditions, lower the chute deflector to direct the
discharged snow close to the ground where it is less likely
to blow into unwanted areas.
WET PACKED SNOW
Move slowly into wet, packed snow. If the wet, packed snow
causes the auger to slow down or the discharge chute begins
to clog, back off and begin a series of short back and forth
jabs into the snow. These short back and forth jabs, four to six
inches, will “belch” the snow from the chute.
7. For safety and to prevent damage to the snow thrower,
keep the area to be cleared free of stones, toys and other
foreign objects.
8. Do not use the auger propelling feature when clearing
gravel or crushed rock driveways. Move the handle down
to slightly raise the auger.
SNOW BANKS AND DRIFTS
In snow of greater depth than the unit, use the same “jabbing”
technique described above. Turn the discharge chute away
from the snow bank. More time will be required to remove
snow of this type than level snow.
9. The forward speed of the snow thrower is dependent on
the depth and weight of the snow. Experience will estab-
lish the most effective method of using the snow thrower
under different conditions.
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SERVICE RECOMMENDATIONS
SERVICE RECOMMENDATIONS
FIRST
2
HOUR
BEFORE
EACH
USE
EVERY
5
HOURS
EVERY
10
HOURS
EVERY
25
HOURS
BEGINNING
EACH
SEASON
BEFORE
STORAGE
PROCEDURE
OFTEN
S
N
O
W
T
H
R
O
W
E
Tighten all screws and nuts
√
√
√
√
Lubricate Chute Control
Flange
√
√
Check Auger Drive Cable
Adjustment
(See Cable Adjustment)
√
R
Check Drive Belt
The warranty on this snowthrower does not cover items that
have been subjected to operator abuse or negligence. To re-
ceive full value from the warranty, operator must maintain
snowthrower as instructed in this manual. The following Ser-
vice Recommendations is supplied to assist operator to
properly maintain snow thrower. This is a check list only. Ad-
justment referred to will be found in the MAINTENANCE sec-
tion of this manual.
LUBRICATION
Before Storage
1. Lubricate the chute control flange. Apply a clinging
type of grease such as Lubriplate.
AFTER EACH USE
1. Check for any loose or damaged parts.
Chute Control
Flange
2. Tighten any loose fasteners.
3. Check and maintain the auger.
4. After each use, remove all snow and slush off the
snowthrower to prevent freezing of auger or controls.
5. Check controls to make sure they are functioning
properly.
Figure 9
6. If any parts are worn or damaged, replace immediately.
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MAINTENANCE
HOW TO REMOVE THE TOP COVER
Top Cover
1. Remove the screws from the top cover.
2. Remove the top cover.
3. To install the top cover, reverse the above steps.
Screws
Figure 10
HOW TO REMOVE THE BELT COVER
1. The belt cover is fastened with ten screws. Remove all
3. Remove the belt cover.
ten screws.
4. To install the belt cover, reverse the above steps.
2. There are five screws on the front of the belt cover.
Three screws on the bottom of the belt cover. Two
screws on the top of the belt cover.
NOTE: One screw is shorter than the other screws.
Make sure to install screw in the correct location.
Belt Cover
3
Screws
Figure 11
16
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MAINTENANCE
WARNING: To prevent accidental starting when
making any adjustments or repairs, always dis-
connect the spark plug wire and place it where
it cannot make contact with the spark plug .
HOW TO ADJUST THE CHUTE CRANK
Crank Adjusting
Bracket
Nut
If the chute crank will not rotate fully to the left or right, adjust
as follows.
Flange
1/8” (3mm)
1. Remove the top cover. See “How To Remove The Top
Cover”.
Worm Gear
2. Loosen the nuts.
3. Move the crank adjusting bracket to allow 1/8 inch
(3mm) clearance between the notch in the flange and
the outer diameter of the worm gear.
ure 12
4. Tighten the nuts.
HOW TO ADJUST THE AUGER CONTROL CABLE
The auger control cable is adjusted at the factory. During nor-
mal use, the auger control cable can become stretched and
the auger drive lever will not properly engage or disengage
the auger.
1. Remove the “Z” hook from the auger drive lever
(Figure 13).
2. Slide the cable boot off the cable adjustment bracket
Auger Drive
(Figure 14).
Lever
3. Push the bottom of the auger control cable through the
cable adjustment bracket until the “Z” hook can be re-
moved.
Z-Hook
4. Remove the “Z” hook from the cable adjustment brack-
et. Move the “Z” hook down to the next adjustment hole.
Figure 13
5. Pull the auger control cable up through the cable ad-
justment bracket.
6. Put the cable boot over the cable adjustment bracket.
7. Install the “Z” hook to the auger drive lever.
8. To check the adjustment, start the snow thrower. Make
sure the auger does not rotate when the auger drive lever
is released.
Auger Control Cable
Cable Boot
Z-Hook
Cable Adjustment
Bracket
Figure 14
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MAINTENANCE
HOW TO REPLACE THE DRIVE BELT
Belt Guide
Idler Pulley
Engine PUlley
The drive belt is of special construction and must be re-
placed with original factory replacement belt available from
your nearest authorized service center.
Drive Belt
1. Remove the belt cover. See “How To Remove The Belt
Cover”.
2. Remove the drive belt from the idler pulley. (See
Figure 15 and Figure 16)
Belt Guide
Figure 15
3. Remove the drive belt from the engine pulley. Be
careful, not to bend the belt guides.
4. Remove the drive belt from the auger pulley. (See
Figure 16)
Idler Pulley
5. Remove the old drive belt.
Engine
Pulley
6. To install the new drive belt, reverse the above steps.
7. Make sure the drive belt is seated properly on the pul-
Drive Belt
leys.
Auger Pulley
Figure 16
NOTE: When the auger control lever is engaged, the
belt guides must be 1/16” from the drive belt . (See
Figure 17)
Engine Pulley
Idler Pulley
8. Install belt cover. See “How To Remove The Belt Cov-
er”.
Drive Belt
Belt Guide
Figure 17
1/16 inch
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MAINTENANCE
HOW TO REPLACE THE AUGER
1. Remove the belt cover. See “How To Remove The Belt
Cover”.
5. Remove the fasteners from the bearing assembly. Re-
move the bearing assembly from the auger housing.
2. Remove the drive belt. See “How To Replace The Drive
Belt”.
6. Slide the auger out of the bearing assembly on the
right side of the snow thrower.
3. Remove the auger pulley from the auger shaft
(threads are left hand; turn clockwise to remove). (See
Figure 18).
7. Tip the auger enough to allow the auger to slide out of
the auger housing.
4. To keep the auger from rotating, set a 2”x4” piece of
wood on the center paddle to secure auger.
8. To install auger, reverse the above steps.
Wood
Auger Housing
Center Paddle
Auger
Bearing Assemlby
Auger Pulley
Figure 18
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MAINTENANCE
TO ADJUST THE CARBURETOR
The carburetor is not adjustable. Engine performance
should not be affected at altitudes up to 7,000 feet. For
operation at higher elevations, contact your nearest autho-
rized service center.
IMPORTANT: Never tamper with the engine governor,
which is factory set for proper engine speed. Over-speed-
ing the engine above the factory high speed setting can be
dangerous. If the engine-governed high speed needs an
adjustment, contact an authorized service center. They
have the proper equipment and experience to make any
necessary adjustments.
TO ADJUST OR REPLACE THE SPARK PLUG
Check the spark plug every twenty-five (25) hours. Re-
place the spark plug if the electrodes are pitted or burned
or if the porcelain is cracked.
8. Install the spark plug in the cylinder head and firmly tight-
en. Recommended torque is 18 to 20 foot pounds.
The spark plug is housed in the engine compartment under
the top cover and cannot be seen under normal condi-
tions.
1. Remove the top cover. See “How To Remove The Top
Cover”.
.030” (0.76 mm) Gap
2. The spark plug and wire are now visible.
3. Remove the spark plug wire.
4. Clean the area around the spark plug base to prevent dirt
from entering the engine when the spark plug is removed.
5. Remove the spark plug.
6. Check the spark plug. If the spark plug is cracked, fouled
or dirty, it must be replaced .
Figure 19
7. Set the gap between the electrodes of the new spark plug
at 0.030 inch (Figure 19).
20
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STORAGE
5. Insure that all nuts, bolts, and screws are securely fas-
OFF SEASON STORAGE
tened. Inspect all visible moving parts for damage,
breakage, and wear. Replace if necessary.
WARNING: Never store the engine, with fuel in
the tank, indoors or in a poor ventilated enclo-
sure where fuel fumes could reach an open
flame, spark or pilot light as on a furnace, water heater,
clothes dryer, etc.
6. Touch up all rusted or chipped paint surfaces; sand lightly
before painting.
Handle gasoline carefully. It is highly flammable and
careless use could result In serious fire damage to your
person and /or property.
7. Cover the bare metal parts of the blower housing and au-
ger with rust preventative.
Drain fuel into approved containers outdoors, away
from open flame.
8. If possible, store your snowthrower indoors and cover it
to give protection from dust and dirt.
If the snowthrower is to be stored for thirty (30) days or more
at the end of the snow season, the following steps are
recommended to prepare your snowthrower for storage.
9. On models with folding handles, loosen the knobs that
secure the upper handle. Rotate the upper handle back.
NOTE: Gasoline must be removed or treated to prevent
gum deposits from forming in the tank, filter, hose, and
carburetor during storage.
10. If the machine must be stored outdoors, block up the s-
nowthrower and insure the entire machine is off the
ground. Cover the snowthrower with a heavy tarpaulin.
1. To remove gasoline, run engine until tank is empty and
engine stops.
REMOVING THE SNOWTHROWER FROM
STORAGE
When removing the snowthrower from storage, follow the
steps below.
If you do not want to remove the gasoline, add fuel stabilizer
to any gasoline left in the tank to minimize gum deposits and
acids. If the tank is almost empty, mix stabilizer with fresh
gasoline in a separate container and add some to the tank.
ALWAYS FOLLOW INSTRUCTIONS ON STABILIZER
CONTAINER. THEN RUN ENGINE AT LEAST 10 MINUTES
AFTER STABILIZER IS ADDED TO ALLOW MIXTURE TO
REACH CARBURETOR. STORE SNOWTHROWER IN
SAFE PLACE.
1. Put the upper handle in the operating position, tighten the
knobs that secure the upper handle.
2. Fill the fuel tank with a fresh fuel-oil mixture. See “How
to Mix The Fuel Mixture” in the Operation section.
2. Lubricating the piston/cylinder area. This can be done by
first removing the spark plug and squirting clean engine
oil into the spark plug hole. Then cover the spark plug
hole with a rag to absorb oil spray. Next, rotate the engine
by pulling the starter two or three times. Finally, reinstall
spark plug and attach spark plug wire.
3. Lubricate the auger bail and idler arm.
4. Check the spark plug. Make sure the gap is correct. If the
spark plug is worn or damaged, replace before using.
5. Make sure all fasteners are tight.
3. Thoroughly clean the snowthrower.
6. Make sure all guards, shields, and covers are in place.
7. Make sure all adjustments are correct.
4. Lubricate all lubrication points (see “Lubrication“ in the
Service Recommendations section).
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TROUBLE SHOOTING CHART
PROBLEM
LOOK FOR
REMEDY
Difficult starting
Defective spark plug.
Replace defective spark plug.
Clean fuel line.
Engine runs erratically Blocked fuel line.
Empty gas tank.
Check fuel supply,
Add fresh gasoline.
Stale gasoline.
Water or dirt in fuel system.
Remove carburetor bowl to drain fuel tank. Refill
with fresh fuel. CAUTION: Do not remove
carburetor bowl when the engine is hot.
Engine stalls
Loss of power
Unit running on CHOKE.
Set choke lever to RUN position.
Gas cap vent hole is plugged.
Remove ice and snow from cap. Be sure vent
hole is clear.
Excessive vibration
Loose parts.
Stop engine immediately and remove spark plug
wire. Tighten all bolts and make all necessary
repairs. If vibration continues, have the unit
serviced by a competent repairman.
Unit fails to propel
itself
Drive belt loose or damaged.
Replace drive belt. Refer to Drive Belt
Replacement in the Maintenance section of this
manual.
Incorrect adjustment of traction drive
cable.
Adjust traction drive cable. Refer to Cable
Adjustment in the Maintenance section of this
manual.
Unit fails to discharge
snow
Auger drive belt loose or damaged.
Replace or adjust auger drive belt. Refer to Drive
Belt Replacement and Drive Belt Adjustment in
the Maintenance section of this manual.
Auger control cable not adjusted
correctly.
Adjust auger control cable. Refer to Cable
Adjustment in the Maintenance section of this
manual.
Discharge chute clogged.
Stop engine immediately and disconnect spark
plug wire. Refer to the first Warning in
Snowthrower Operation in the Operation
section of this manual. Clean discharge chute
and inside of auger housing.
Foreign object lodged in auger.
Stop engine immediately and disconnect spark
plug wire. Remove object from auger housing.
Identifying Your Snowthrower
Your new Snowthrower has two (2) identifying numbers: (1) unit model number: (2) unit serial number. The two preceding
numbers are required to insure that the proper replacement parts are obtained when required. If you have any questions
concerning parts, service, or technical data, contact your nearest John Deere/Frontier dealer.
For complete warranty information refer to the warranty in the Owner’s Information section of this manual.
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REPLACEMENT PARTS
WE RECOMMEND JOHN DEERE/FRONTIER quality
parts and lubricants available at your John Deere/Frontier
dealer.
PART NUMBERS MAY CHANGE. When you order re-
placement parts, use the part numbers listed below and on
the following pages. If a part number changes, your John
Deere/Frontier dealer will have the latest part number.
WHEN YOU ORDER PARTS, your John Deere/Frontier
dealer must have your snowthrower model and serial num-
ber and your engine model number. This is the model and
serial number that you recorded in the “Owner’s Informa-
tion” section of this Owner’s Manual.
QUICK REFERENCE PART NUMBERS
The following is a list of replacement parts that you may
need for routine service and maintenance. If you do not
see the replacement part you need in the following chart,
then check the full list of replacement part illustrations fol-
lowing this page.
ITEM
PART NUMBER *
MT37x132
Belt
Scraper Blade
Spark Plug
MT334031
Champion RCJ8Y
* Part Numbers are subject to change without notice.
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
ENGINE ASSEMBLY
10
12
11
12
11
25
14
46
14
12
28
12
28
14
42
14
70
71
72
40
25
73
47
75
33
45
41
Key No. Part No.
Description
10
11
12
14
25
28
33
40
41
42
45
46
47
70
71
72
73
75
--
------
ENGINE
MT180077
MT018x16
MT71071
MT313440
MT710312
MT339017
MT1501013
MT333594
MT71391
MT48924
MT45892
MT590
SCREW, 5/16-18 X.75
WASHER
WASHER, FLAT
GUIDE, BELT
SCREW
SPRING, IDLER BRAKE
ASSY, IDLER BRAKE ARM
BOLT
NUT, 5/16-18
PULLEY, IDLER
BOLT, CARRIAGE
NUT
MT338849
MT25840
MT181595
MT018x16
MT37x132
MTF-041007C
PULLEY, ENGINE
WASHER, BELLEVILLE
SCREW, 5/16-24X.75
WASHER, SPLTLK
BELT V 3L 34.8”
OPERATOR’S MANUAL
24
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
FRAME COMPONENTS ASSEMBLY
Key No. Part No.
Description
80
81
MT760272E701
FRAME SIDE SUPPORT RH
FRAME SIDE SUPPORT LH
ROD, SUPPORT
MT760271E701
MT760169
MT71063
90
91
WASHER, HVSPTLK
NUT, 3/8-16 REGHEX
BRACKET, GAS TANK
SCREW, 1/4-20X.75
NUT, 1/4-20 YZ
92
MT71044
100
101
102
110
111
112
113
114
MT578093E701
MT302628
MT15x143
MT55381
TANK, FUEL
MT313681
MT315433
MT327290
MT323387
SCREW, 1/4-14X.88 WAHHTAP
CAP, GAS-BLACK
TUBING 11.50 IN.
CLAMP, FUEL LINE
25
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
TOP COVER ASSEMBLY
176
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
TOP COVER ASSEMBLY
Key No. Part No.
Description
120
121
122
124
126
127
128
130
131
140
141
142
143
145
146
147
150
151
152
153
154
155
157
158
159
170
171
172
173
174
175
176
MT302265
MT313674
MT71067
MT15x143
MT326212
MT313685
MT578109
MT57587
MT333643
MT56992
MT313683
MT300193
MT49643
MT54601
MT1259
COVER, BOTTOM
SCREW, 1/4-20X1.25
WASHER, FLAT .281X.63X.065
NUT, 1/4-20 YZ
COVER, CARB
SCREW, 1/4-14X.75
NUT, 1/4-10 SPEED J TYPE
GROMMET & WASHER, ROPE GUIDE
KNOB, STAND TEE
SWITCH, IGNITION
WASHER
NUT, 5/8-32 ACC
2 KEYS & RING
PRIMER, ENGINE
HOSE, PRIMER
MT271172
MT57036
MT12342
MT312300
MT313686
MT71067
MT578107
MT313685
MT71067
MT578109
MT1501690
MT313685
MT71067
MT578109
MT55379
MT55380
MT26x292
KEPS NUT, 1/4-20
COVER, BELT
SCREW, 10-24X.50
NUT, #10-24
SCREW, 1/4-20X.50
WASHER, FLAT .281X.63X.065
NUT, 1/4-20 TINN
SCREW, 1/4-14X.75
WASHER, FLAT .281X.63X.065
NUT, 1/4-20 SPEED J TYPE
COVER, TOP
SCREW, 1/4-14X.75
WASHER, FLAT .281X.63X.065
NUT, 1/4-10 SPEED J TYPE
SEAL, FOAM
SEAL, STRIP CHUTE & GAS SEAL
SCREW 10-14 x 0.63
27
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
AUGER HOUSING
486
511
512
483
488
510
487
481
482
483
513
480
482
489
532
533
481
520-10
530
533
532
493
531
520-6
534
541
534
491
520-2
490
492
520-8
520
28
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
AUGER HOUSING
Key No. Part No.
Description
480
481
MT330312
MT302628
MT71067
HOUSING, ASSY
SCREW, 1/4-20X.75
WASHER, FLAT .281X.63X.065
NUT, HEX 1/4-20 YZ
SCREW, 1/4-20X.63
BRACKET, STOP
482
483
MT15x143
MT579052
MT331126
MT331211
MT780029
MT334031
MT577707
MT302628
MT15x143
MT577023
MT710263
MT71067
486
487
488
WASHER, FLAT .333X.87X.119
NUT, 1/4-20 HEX NYLOCK
BLADE, SCRAPER
RIVET, OVSET
489
490
491
492
SCREW, 1/4-20X.75
NUT, 1/4-20 YZ
493
510
BEARING, FLANGE
SCREW, 1/4-20X1.00
WASHER, FLAT .281X.63X.065
NUT, 1/4-20
511
512
513
MT15x143
MT1501926
MT302565
MT49838
520
AUGER, ASSY
520-2
520-6
520-8
520-10
530
BLADE, AUGER
RIVET
MT335992
BLADE, CENTER
MT1501925E701 AUGER & BLADE SUPPORT
MT583459
MT334287
MT579052
MT71067
MT73826
MT338965
BEARING & PLATE ASSY
PLATE, RETAINER
SCREW, 1/4-20X.63
WASHER, FLAT .281X.63X.065
NUT, 1/4-20
531
532
533
534
541
PULLEY
29
MTF-041007C
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
DISCHARGE CHUTE
Key No. Part No.
Description
580
581
582
590
591
592
600
601
602
603
604
605
606
607
608
MT314239
MT711752
MT577021
MT334234
MT313686
MT15x143
MT325847
MT308931
MT302843
MT71071
MT57171
MT71037
MT578088
MT71071
MT71391
RING, CHUTE
SCREW, #10X.50
GUIDE, CHUTE
CHUTE, LOWER
SCREW 1/4-20X.50
NUT, 1/4-2 YZ
CHUTE, UPPER
WIRE, HINGE
BOLT, CARRIAGE 5/16-18X1.25
WASHER, FLAT .349X.69X.066
KNOB, T
NUT, HEX 5/16-18
SCREW, 5/16-18X.75
WASHER, FLAT .349X.69X.066
NUT, HEX 5/16-18
30
MTF-041007C
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
WHEELS
Key No. Part No.
Description
650
651
660
661
662
MT1501923
MT583409
MT1501689
MT583409
MT577598
AXLE SHAFT
WASHER, FLAT .391X1.00X1.25
TIRE & RIM
WASHER, FLAT .391X1.00X.125
RING, RET E
31
MTF-041007C
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
HANDLE ASSEMBLY
32
MTF-041007C
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
HANDLE ASSEMBLY
Key No. Part No.
Description
740
741
742
743
744
750
751
752
753
755
756
757
759
760
761
762
763
764
765
MT760774
MT313441
MT760773
MT308146
MT313471
MT313487E701
MT313674
MT71067
CABLE, UPPER
BRACKET, CABLE ADJ
CABLE, LOWER CONTROL
BOOT, CLUTCH SPRING
SPRING, EXTENSION
HANDLE, LOWER
SCREW, 1/4-20X1.25
WASHER, FLAT
NUT, 1/4-20
MT73826
MT761486E701
MT712234
MT39298
BRACKET, CABLE
BOLT
PULLEY
MT15x143
MT313489E701
MT313308E701
MT337584
MT311936
MT57171
NUT, 1/4-20 YZ
UPPER HANDLE
BAIL, CONTROL
BOLT
WASHER, FORM
KNOB, T 3.00 WD
NUT, 5/16-18
MT71037
33
MTF-041007C
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
CHUTE ROD ASSEMBLY
Key No. Part No.
Description
850
851
852
853
855
856
857
860
861
863
864
870
871
872
873
874
MT314996
MT71072
MT71082
MT313431
MT71072
MT57082
MT331532
MT313712
MT148
ROD, ASSY UPPER CHUTE CONTROL
WASHER, FLAT .406X.81X.066
PIN, COTTER
WASHER, CURVED SPRING
WASHER, FLAT .406X.81X.066
KNOB, SLEEVE
NUT, PUSH
BOLT, EYE 3/8-16X2.00
GROMMET, EYE BOLT
WASHER
MT71062
MT71045
MT333946E701
MT340720
MT71071
MT71060
MT71037
NUT, HEX JAM 3/8-16
BRACKET, CHUTE ROTATE
BOLT, CARRIAGE 5/16-18X.75
WASHER, FLAT .349X.69X.066
WASHER .328X.60X.09
NUT, HEX 5/16-18
34
MTF-041007C
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FRONTIER MODEL ST0320
FACTORY MODEL 620351x16NB
DECALS
3
1
8
2
6
7
5
9
4
Key No. Part No.
Description
1
2
3
4
5
6
7
8
9
*
MT48x5258
MT48x5642
MT337524
MT48x2036
MT48x5639
MT69880
DECAL, THROWN OBJECTS
DECAL, DANGER STOP ENGINE
DECAL, STOP LEVER
DECAL, ROTATING AUGER
DECAL, TECUMSEH PRODUCTS CO.
DECAL, HOT MUFFLER
MT318494
MT48x5259
MT48x5257
MTF-041007C
DECAL, CHOKE ON/OFF
DECAL, MANUAL STARTER INSTRUCTIONS
DECAL, FRONTIER ST0320
OPERATOR’S MANUAL
* Not Illustrated
35
MTF-041007C
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SPECIFICATIONS ST0320
Engine
Tecumseh Snow King 2-Cycle
Horsepower
3.5 hp
Recoil
Starter
Fuel Capacity
Drive System
Tire Diameter
Clearing Width
Housing Height
Auger Diameter
Auger Type
1.0 quart
Auger
7”
20”
10.25”
9”
Rubber-edged
Remote
190_
Chute Rotation
Chute Turning Radius
Deflector Control
Weight
Manual
55 lbs
Warranty - Engine
Warranty - Machine
2 years
3 years
36
MTF-041007C
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