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Form No. 3406-730 Rev A

Power Clear

®

721 QZE Snowthrower

Model No. 38744—Serial No. 400010798 and Up

Operator's Manual

Introduction

WARNING

CALIFORNIA

Proposition 65 Warning

This product contains a chemical or chemicals

known to the State of California to cause cancer,

birth defects, or reproductive harm.

The engine exhaust from this product

contains chemicals known to the State of

California to cause cancer, birth defects,

or other reproductive harm.

This machine is intended to be used by residential
homeowners or professional, hired operators. 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. It is not designed for removing materials
other than snow, nor is it designed for clearing off gravel
surfaces.

Read this information carefully to learn how to operate and
maintain your machine properly and to avoid injury and
machine damage. You are responsible for operating the
machine properly and safely.

You may contact Toro directly at www.Toro.com for machine
and accessory information, help finding a dealer, or to register
your machine.

Whenever you need service, genuine Toro parts, or additional
information, contact an Authorized Service Dealer or Toro
Customer Service and have the model and serial numbers of
your machine ready.

Figure 1

identifies the location of the

model and serial numbers on the machine. Write the numbers
in the space provided.

Figure 1

1.

Model and serial number location

Model No.

Serial No.

This manual identifies potential hazards and has safety
messages identified by the safety-alert symbol (

Figure 2

),

which signals a hazard that may cause serious injury or death
if you do not follow the recommended precautions.

Figure 2

1.

Safety-alert symbol

This manual uses 2 words to highlight information.

Important

calls attention to special mechanical information

and

Note

emphasizes general information worthy of special

attention.

Important:

If you are using this machine above 1500 m

(5,000 ft) for a continuous period, ensure that the High
Altitude Kit has been installed so that the engine meets
CARB/EPA emission regulations. The High Altitude
Kit increases engine performance while preventing
spark-plug fouling, hard starting, and increased
emissions. Once you have installed the kit, attach
the 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

© 2016—The Toro® Company
8111 Lyndale Avenue South
Bloomington, MN 55420

Register at www.Toro.com.

Original Instructions (EN)

Printed in the USA

All Rights Reserved

*3406-730* A

 

Summary of Contents for 38744

Page 1: ...aler or Toro Customer Service and have the model and serial numbers of your machine ready Figure 1 identifies the location of the model and serial numbers on the machine Write the numbers in the space provided Figure 1 1 Model and serial number location Model No Serial No This manual identifies potential hazards and has safety messages identified by the safety alert symbol Figure 2 which signals a...

Page 2: ...Unfolding the Handle 4 2 Installing the Discharge Chute 4 3 Filling the Engine with Oil 5 4 Adjusting the Control Cable 5 Product Overview 6 Operation 7 Before Operation 7 Safety 7 Filling the Fuel Tank 7 Checking the Engine Oil Level 7 During Operation 8 Safety 8 Starting the Engine 8 Engaging the Rotor Blades 10 Disengaging the Rotor Blades 10 Shutting Off the Engine 10 Adjusting the Discharge C...

Page 3: ...ated near areas of potential danger Replace damaged decals 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 115 5698 Order Part No 117 9121 1 Cutting dismemberment hazards impeller and auger do not place your hand in the chute remove the ignition key and read the instructions before servicing or performing maintena...

Page 4: ...locks until you can move the handle freely and rotate the handle to the operating position Figure 4 Figure 4 1 U shaped handle lock 2 2 Handle knobs 2 Insert the end of the U shaped handle lock into the open hole in the handle and tighten the handle knobs until they are snug Figure 5 Note The handle knobs contain nyloc nuts that require more pressure to tighten fully to prevent the handle from com...

Page 5: ...l the engine Max fill 0 60 L 20 oz type automotive detergent oil with an API service classification of SJ SL or higher Use Figure 8 below to select the best oil viscosity for the outdoor temperature range expected Figure 8 1 Move the machine to a level surface 2 Clean around the oil fill cap Figure 9 Figure 9 1 Oil fill cap 3 Unscrew the oil fill cap and remove it 4 With the machine in the operati...

Page 6: ...ontrol Cable page 13 Product Overview Figure 10 1 Chute deflector trigger 8 Electric start button 2 Discharge chute 9 Ignition key 3 Fuel tank cap 10 Choke lever 4 Control bar 11 Oil drain plug 5 Quick Shoot control 12 Oil fill cap 6 Recoil start handle 13 Chute deflector 7 Primer 6 ...

Page 7: ...nol E15 by volume is not approved for use Never use gasoline that contains more than 10 ethanol by volume such as E15 contains 15 ethanol E20 contains 20 ethanol or E85 contains 85 ethanol Using unapproved gasoline may cause performance problems and or engine damage which may not be covered under warranty Do not use gasoline containing methanol Do not store fuel either in the fuel tank or fuel con...

Page 8: ...for use only on paved surfaces Do not use the machine on a roof Never attempt to make any adjustments while the engine is running except when specifically recommended by manufacturer Stay alert for hidden hazards or traffic After striking a foreign object shut off the engine remove the ignition key thoroughly inspect the machine for any damage and repair the damage before starting and operating th...

Page 9: ...epair the damaged cord immediately Contact an Authorized Service Dealer for assistance Figure 18 Important Run the electric starter no more than 10 times at intervals of 5 seconds on then 5 seconds off Running the electric starter extensively can overheat and damage it If the engine does not start after this series of attempts wait at least 40 minutes to allow the starter to cool before attempting...

Page 10: ... Figure 21 Figure 21 Adjusting the Discharge Chute and Chute Deflector To adjust the discharge chute press the trigger of the Quick Shoot control on the right hand side of the handle and move it up or down along the handle Moving the control down the handle rotates the discharge chute to the left moving the control up the handle rotates the discharge chute to the right Figure 22 Figure 22 To raise...

Page 11: ...nwind whenever possible After Operation Safety Never store the machine with fuel in the fuel tank inside a building where ignition sources are present such as hot water heaters space heaters or clothes dryers Allow the engine to cool before storing in any enclosure When storing the machine for more than 30 days refer to Storage page 19 for important details Preventing Freeze up after Use Let the e...

Page 12: ...ety precautions before performing any maintenance on the machine Before performing any maintenance service or adjustment shut off the engine and remove the key If major repairs are ever needed contact an Authorized Service Dealer Check all fasteners at frequent intervals for proper tightness to be sure the machine is in safe working condition Maintain or replace safety and instruction labels as ne...

Page 13: ...eals under a heavy load disconnect the spring from the adjustor link and move the upper end of the spring to the hole that is further from the pivot point in the control bar Figure 27 Then connect the spring to the adjustor link and adjust the control cable Figure 27 1 Remove the upper end of spring from this hole 3 Pivot point 2 Insert the upper end of spring into this hole 4 Upper end of spring ...

Page 14: ...cap and remove it Figure 30 8 With the machine in the operating position carefully pour oil into the oil fill hole to the point of overflow Figure 32 Note You may tip the machine forward handle up to make adding oil easier Remember to return the machine to the operating position before checking the oil level Important Do not tip the machine all the way forward onto its nose or fuel may leak out of...

Page 15: ...chute 4 Remove the 4 screws that secure the shroud Figure 34 Figure 34 1 Screw 4 3 Spark plug 2 Shroud 4 Spark plug wire 5 Remove the fuel tank cap 6 Remove the shroud Figure 34 7 Install the fuel tank cap 8 Disconnect the wire from the spark plug 9 Clean around the spark plug 10 Remove the spark plug from the cylinder head Important Replace a cracked fouled or dirty spark plug Do not clean the el...

Page 16: ...ng the 3 bolts as shown in Figure 37 Figure 37 1 Drive belt cover 6 Drive belt 2 Bolt 3 7 Rotor shaft 3 Rotor pulley bolt 8 Brake spring unhook from idler arm here 4 Curved washer 9 Idler pulley 5 Rotor pulley 10 Engine pulley 2 Unhook the brake spring from the idler arm to release the belt tension Figure 37 3 Remove the screw and curved washer that holds the rotor pulley Figure 37 4 Remove the ro...

Page 17: ... the Quick Shoot cable Figure 39 or the discharge chute does not rotate left and right in equal angles adjust the Quick Shoot control cables Figure 39 1 13 mm 1 2 inch maximum slack 1 Loosen the 2 Quick Shoot control cable clamps Figure 40 Figure 40 1 Cable clamps 2 Position the Quick Shoot control between the 2 arrows located on the right side of the upper handle Figure 41 Figure 41 1 Arrows 3 Ro...

Page 18: ...n the lower cable clamp securely Figure 43 Figure 43 1 Lower cable casing 5 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 44 Figure 44 1 Upper cable casing Note Do not over tension the cables If the cables are over tensioned the Quick Shoot will be hard to operate 18 ...

Page 19: ...gine start it a third time and run the engine until it does not start 6 Drain the fuel in the carburetor through the carburetor drain bolt Figure 36 into an approved gasoline container 7 Dispose of unused fuel properly Recycle it according to local codes or use it in your automobile 8 While the engine is still warm change the engine oil Refer to Changing the Engine Oil page 14 9 Remove the spark p...

Page 20: ...Notes ...

Page 21: ...Notes ...

Page 22: ...anted part and Identical in all material respects to the parts as described in the application for certification The warranty period begins on the date the small off road engine equipment is delivered to an ultimate purchaser The warranted period is two years or the duration of The Toro Warranty whichever is longer Subject to certain conditions and exclusions as stated below the warranty on evapor...

Page 23: ...mp Fuel line fittings and clamps Fuel tank cap and tether Carbon canister 2 Air Induction System Air cleaner Intake manifold Crankcase vent and line s Purge line and fittings 3 Ignition System Spark plug s and wire s Magneto ignition system 4 Catalytic Exhaust System Catalytic converter Exhaust manifold Air injector system and valve s 5 Miscellaneous Items Used in Emission Control System Valves sw...

Page 24: ...s oil changes spark plugs light bulbs cable linkage or brake adjustments Any product or part which has been altered or misused or requires replacement or repair due to accidents or lack of proper maintenance Pickup and delivery charges Operational misuse neglect or accidents Repairs or attempted repairs by anyone other than an Authorized Toro Service Dealer Repairs necessary due to failure to foll...

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