Operator's Manual

ManualsBrandsToro ManualsGas Snow BlowersPower Clear 721 QZE 21 in. 212 cc Single-Stage Self Propelled Gas Snow Blower with Electric Start

FormNo.3439-829RevA

PowerClear

721Snowthrower

ModelNo.38752—SerialNo.406765202andUp

ModelNo.38753—SerialNo.406836564andUp

ModelNo.38756—SerialNo.406728558andUp

Operator'sManual

Introduction

Thismachineisintendedtobeusedbyresidential

homeowners.Itisdesignedprimarilyforremoving

snowfrompavedsurfaces,suchasdrivewaysand

sidewalks,andothersurfacesfortrafconresidential

orcommercialproperties.Itisnotdesignedfor

removingmaterialsotherthansnow,norisitdesigned

forclearinggravelsurfaces.Usingthisproductfor

purposesotherthanitsintendedusecouldprove

dangeroustoyouandbystanders.

Readthisinformationcarefullytolearnhowtooperate

andmaintainyourproductproperlyandtoavoid

injuryandproductdamage.Youareresponsiblefor

operatingtheproductproperlyandsafely.

Visitwww.Toro.comforproductsafetyandoperation

trainingmaterials,accessoryinformation,helpnding

adealer,ortoregisteryourproduct.

Wheneveryouneedservice,genuineT oroparts,or

additionalinformation,contactanAuthorizedService

DealerorToroCustomerServiceandhavethemodel

andserialnumbersofyourproductready.Figure1

identiesthelocationofthemodelandserialnumbers

ontheproduct.Writethenumbersinthespace

provided.

Important:Withyourmobiledevice,youcan

scantheQRcodeontheserialnumberdecal(if

equipped)toaccesswarranty,parts,andother

productinformation.

g291503

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas

safetymessagesidentiedbythesafety-alertsymbol

(Figure2),whichsignalsahazardthatmaycause

seriousinjuryordeathifyoudonotfollowthe

recommendedprecautions.

g000502

Figure2

Safety-alertsymbol

Thismanualuses2wordstohighlightinformation.

Importantcallsattentiontospecialmechanical

informationandNoteemphasizesgeneralinformation

worthyofspecialattention.

Important:Ifyouareusingthismachineabove

1500m(5,000ft)foracontinuousperiod,ensure

thattheHighAltitudeKithasbeeninstalled

sothattheenginemeetsCARB/EPAemission

regulations.TheHighAltitudeKitincreases

engineperformancewhilepreventingspark-plug

fouling,hardstarting,andincreasedemissions.

Onceyouhaveinstalledthekit,attachthe

8111LyndaleAvenueSouth

Bloomington,MN55420

Registeratwww.Toro.com.

OriginalInstructions(EN)

PrintedinMexico

AllRightsReserved

*3439-829*A

Summary of content (24 pages)

PAGE 1
Form No. 3439-829 Rev A Power Clear® 721 Snowthrower Model No. 38752—Serial No. 406765202 and Up Model No. 38753—Serial No. 406836564 and Up Model No. 38756—Serial No. 406728558 and Up Operator's Manual Introduction This machine is intended to be used by residential homeowners. It is designed primarily for removing snow from paved surfaces, such as driveways and sidewalks, and other surfaces for traffic on residential or commercial properties.
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Contents high-altitude label next to the serial decal on the machine. Contact any Authorized Toro Service Dealer to obtain the proper High Altitude Kit and high-altitude label for your machine. To locate a dealer convenient to you, access our website at www.Toro.com or contact our Toro Customer Care Department at the number(s) listed in your Emission Control Warranty Statement.
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Safety This machine has been designed in accordance with ANSI/OPEI B71.3 specifications. General Safety This product is capable of amputating hands and feet and of throwing objects. Always follow all safety instructions to avoid serious personal injury. • Read and understand the contents of this Operator’s Manual before you start the engine. Ensure that everyone using this product knows how to use it, knows how to shut off the engine quickly, and understands the warnings.
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Safety and Instructional Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or missing. decal94-2577 94-2577 1. To engage the rotor blades, hold the control bar against the handle. 2. To disengage the rotor blades, release the control bar. Order Part No. 117-9121 decal139-3505 139-3505 4. Thrown object 1. Insert the key, press the hazard—keep bystanders primer 3 times, move the away.
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Setup 1 Unfolding the Handle No Parts Required Procedure g287663 2 Installing the Recoil-Start Guide and Rope No Parts Required Procedure g286483 5
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3 Installing the Discharge Chute No Parts Required Procedure Models 38752 and 38753 g291515 Model 38756 g262492 6
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4 Filling the Engine with Oil No Parts Required Procedure g324210 5 Adjusting the Control Cable No Parts Required Procedure Refer to Checking and Adjusting the Control Cable (page 16).
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Product Overview g280282 Figure 11 1. Recoil-start handle 5. Key 2. Electric-start plug-in (electric-start models only) 6. Primer 3. Electric-start button (electric-start models only) 7. Fuel-tank cap 4. Choke g291536 Figure 9 Models 38752 and 38753 1. Chute deflector 2. Chute-deflector trigger 5. Control bar 6. Oil-drain plug 3. Chute handle 7. Oil fill/dipstick Specifications Model 38752 4.
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Filling the Fuel Tank Operation Note: Determine the left and right sides of the Type Unleaded gasoline machine from the normal operating position. Minimum octane rating 87 (US) or 91 (research octane; outside the US) Ethanol No more than 10% by volume Methanol None MTBE (methyl tertiary butyl ether) Less than 15% by volume Oil Do not add to the fuel Before Operation Before Operation Safety General Safety Use only clean, fresh (no more than 30 days old), fuel from a reputable source.
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Checking the Engine-Oil Level Service Interval: Before each use or daily—Check the engine-oil level and add oil if necessary.
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During Operation • Do not operate the machine without good visibility or light. • Look behind and use care when backing up the During Operation Safety machine. • When not actively clearing snow, disengage power General Safety to the auger. • Exercise extreme caution when operating the • Shut off the engine before unclogging the machine on walks or roads. Stay alert for hidden hazards or traffic. machine and always use a stick or the snow-cleanout tool (if provided).
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CAUTION If you leave the machine plugged into a power source, someone can inadvertently start the machine and injure people or damage property (electric-start models only). Unplug the power cord whenever you are not starting the machine. g327424 Figure 14 Using Recoil Start Note: Remove your glove when you push in the primer so that air cannot escape from the primer hole. Important: Do not use the primer or the choke if the engine has been running and is hot.
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Engaging the Rotor Blades Shutting Off the Engine To engage the rotor blades, hold the control bar against the handle (Figure 16). To shut off the engine, remove the key from the ignition. Adjusting the Discharge Chute and Chute Deflector Models 38752 and 38753 To raise or lower the angle of the chute deflector, press the trigger on the chute deflector and move the chute deflector up or down. To adjust the discharge chute, move the chute handle.
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Operating Tips WARNING The rotor blades can throw stones, toys, and other foreign objects and cause serious personal injury to you or bystanders. • Keep the area to be cleared free of all objects that the rotor blades could pick up and throw. • Keep all children and pets away from the area of operation. • Remove the snow as soon as possible after it falls. • Overlap each swath to ensure complete snow • • • g280416 Figure 19 removal. Discharge the snow downwind whenever possible.
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• Rotate the discharge chute left and right to free it from any ice buildup. • With the key removed, pull the recoil-start handle several times or connect the electrical cord to a power source and the machine and push the electric-start button once to prevent the recoil starter and/or the electric starter from freezing up (electric-start models only). • In snowy and cold conditions, some controls and moving parts may freeze. Do not use excessive force when trying to operate frozen controls.
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Maintenance Recommended Maintenance Schedule(s) Maintenance Service Interval After the first hour After the first 2 hours Before each use or daily Every 100 hours Yearly Maintenance Procedure • Check the control cable and adjust it if necessary. • Change the engine oil. • Check the engine-oil level and add oil if necessary. • Replace the spark plug. • Check the control cable and adjust it if necessary.
PAGE 17
Adjusting the Control Cable 1. Slide up the spring cover and unhook the spring from the adjuster link (Figure 22). g006587 Figure 23 g006402 Figure 22 1. Adjuster link 3. Spring cover 2. Z-fitting 4. Unhook the spring here. 4. Check the adjustment; refer to Checking the Control Cable (page 16). 4. Upper end of spring Inspecting the Rotor Blades Service Interval: Yearly—Inspect the rotor blades and have an Authorized Service Dealer replace the rotor blades and scraper if necessary.
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Changing the Engine Oil Service Interval: After the first 2 hours Yearly If possible, run the engine for a few minutes before changing the oil to warm it. Warm oil flows better and carries more contaminants. Engine Oil Specifications Engine oil capacity 0.6 L (20 fl oz)* Oil viscosity Refer to Figure 27. API service classification SJ or higher g006316 Figure 26 1. Dipstick *There is residual oil in the crankcase after you drain the oil. Do not pour the entire capacity of oil into the crankcase.
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g006374 g030123 Figure 28 Figure 29 1. Spark-plug boot 9. Wait 3 minutes for the oil to settle in the engine. 10. Wipe the dipstick clean with a clean cloth. 2. Clean around the base of the spark plug. 11. With the machine in the operating position, insert the dipstick into the oil-fill tube, but do not screw it in, then remove the dipstick. 3. Remove and discard the old spark plug. 12. Note: You will need a ratchet wrench extension to remove the spark plug.
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Note: The concave side of the curved washer goes against the outside of the pulley. 8. Install the brake spring onto the idler arm (Figure 32). 9. Install the drive-belt cover with the bolts that you removed in step 1. Note: Ensure that the drive belt is properly adjusted and operating; refer to Checking the Control Cable (page 16) and Adjusting the Control Cable (page 17). Adjusting the Quick Shoot Control g008238 Figure 31 Model 38756 1. Drive-belt cover 2. Bolt (3) 6. Drive belt 7.
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2. Position the Quick Shoot control between the 2 arrows located on the right side of the upper handle (Figure 35). g286565 Figure 37 g006405 1. Lower cable casing Figure 35 1. Arrows 5. 3. Rotate the discharge chute so that it faces straight ahead and the arrow on the back of the discharge chute aligns with the arrow on the shroud (Figure 36). Pull the upper cable casing forward until you remove the slack in the cable, and tighten the screw on the upper cable clamp securely (Figure 38).
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Storage 12. With the key removed, pull the recoil-start handle slowly to distribute the oil on the inside of the cylinder. Storage Safety 13. Clean the machine. • Shut off the engine, remove the key, and wait 14. Touch up chipped surfaces with paint available from an Authorized Service Dealer. Sand affected areas before painting, and use a rust preventative to prevent the metal parts from rusting. 15. Tighten any loose fasteners. Repair or replace any damaged parts. 16.
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California Proposition 65 Warning Information What is this warning? You may see a product for sale that has a warning label like the following: WARNING: Cancer and Reproductive Harm—www.p65Warnings.ca.gov. What is Prop 65? Prop 65 applies to any company operating in California, selling products in California, or manufacturing products that may be sold in or brought into California.
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