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Single Stage

Snow Thrower

Model 721E

PRINTED IN U.S.A.

Operator’s Manual

FORM NO

7/11/01

IMPORTANT: 

Read safety rules and instructions carefully before operating equipment.

770-10542

CUB CADET CORP.  P.O. BOX 368023 CLEVELAND, OHIO 44136-9722

Warning: 

This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-

covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting            
applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator. 
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have 
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized 
service dealer or contact the service department, P.O. Box 368023 Cleveland, Ohio 44136-9722.

Summary of Contents for 721E

Page 1: ...grass covered land unless the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on feder...

Page 2: ...model plate is explained below For future reference please copy the model number and the serial number of the equipment in the space below ENGINE INFORMATION The engine manufacturer is responsible for all engine related issues with regards to performance power rating specifications warranty and service Please refer to the engine manufacturer s Owner s Operator s Manual packed separately with your ...

Page 3: ...lector housing height to clear gravel or crushed rock surfaces 6 Disengage all clutch levers before starting the engine 7 Never attempt to make any adjustments while engine is running except where specifically recommended in the operator s manual 8 Let engine and machine adjust to outdoor temperature before starting to clear snow 9 To avoid personal injury or property damage use extreme care in ha...

Page 4: ... Disengage all clutch levers and stop engine Wait until the auger impeller come to a complete stop Disconnect the spark plug wire and ground against the engine to prevent unintended starting before cleaning repairing or inspecting 3 Check bolts and screws for proper tightness at frequent intervals to keep the machine in safe working condition Also visually inspect machine for any damage 4 Do not c...

Page 5: ... the lower chute crank Insert the upper chute crank into the lower chute crank and align the holes Re insert the hairpin clip into the hole to secure the two chute cranks See Figure 2 Figure 2 Attaching Control Cable The control cable may already be attached to the control handle If not attached complete the following steps to attach it to the snow thrower housing Route the control cable over the ...

Page 6: ...pper handle the auger control handle is used to engage and disengage the auger The snow thrower is designed to propell by the rotation of the auger Pull the control handle back against the upper handle to engage the auger release to disengage Chute Crank Located on right side of dash panel the chute crank determines the direction that snow will be discharged Turn clockwise to discharge snow to the...

Page 7: ...erate engine manual packed with your snow thrower To Start Engine Insert ignition key into slot Turn key to ON position Now follow the instructions below as it pertains to your unit Electric Starter Figure 6 The electric starter is equipped with a grounded three wire power cord and plug and is designed to operate on 120 volt AC household current Determine that your house wiring is a three wire gro...

Page 8: ...r for several seconds The unusual sound made by spinning the starter will not harm engine or starter Disconnect the power cord from receptacle first and then from switch box Recoil Starter With engine running pull starter rope with a rapid continuous full arm stroke three or four times Pulling the starter rope will produce a loud clattering sound which is not harmful to the engine or starter Wipe ...

Page 9: ...l handle provides adjustment for belt tension To adjust disconnect the Z end of control cable from the bottom hole in the control handle See Figure 10 Hook the cable into the upper hole in control handle as shown Figure 10 If additional adjustment is required follow steps below Remove the belt cover by removing five hex screws that hold it in place See Figure 12 There are three adjustment holes pr...

Page 10: ...tructions on page 9 Tighten securely Figure 14 Engine Refer to the separate engine manual for all engine maintenance procedures Check engine and snow thrower frequently for loose hardware and tighten as needed Lubrication Lubricate pivot points on the control handle and the extension spring at the end of the clutch cable with a light oil once every season and before storage of the snow thrower at ...

Page 11: ... spark plug 5 Clean spark plug readjust gap or replace 6 Prime engine four times 7 Wait at least ten minutes before starting Engine runs erratic 1 Unit running on choke 2 Fuel line blocked or stale fuel 3 Water or dirt in fuel system 4 Carburetor out of adjustment 1 Move choke lever to OFF position 2 Clean fuel line and fill tank with fresh clean gasoline 3 Refer to engine manual for remedy 4 Refe...

Page 12: ...ST FOR MODEL 721E 15 9 21 6 6 21 6 21 4 20 16 24 14 17 23 3 8 22 10 13 2 1 25 60 7 18 11 11 19 12 5 5 5 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 33 41 42 43 44 45 46 47 48 49 50 42 49 51 52 53 53 54 55 56 57 58 35 35 59 ...

Page 13: ...ge Bolt 32 710 0642 TT Screw 1 4 20 x 0 75 33 710 0773 TT Screw 3 8 16 x 0 5 34 710 0896 AB Screw 1 4 14 x 0 625 35 710 1005 B Screw 1 4 14 x 0 5 36 711 0848A Axle Tube 37 712 0116 Jam Lock Nut 38 712 3010 Hex Nut 5 16 18 39 712 3027 Lock Nut 40 731 1033 Shave Plate 41 732 0357A Extension Spring 42 736 0108 Flat Washer 43 736 0119 Lock Washer 44 736 0176 Flat Washer 45 736 0242 Beleville Washer 46...

Page 14: ...751 0540A Gas Tank 19 751 0603 Fuel Cap 20 754 0101A V Belt 21 756 0416B V Pulley Half 22 756 0475 Pulley 23 784 0322 Engine Mount 24 784 0323 Support Bracket 25 784 0374 Support Plate Engine Mount Ref No Part No Description 1 2 3 4 5 6 7 8 9 10 11 13 14 15 13 3 15 16 17 18 19 20 21 22 23 24 25 Engine is for reference only and may not resemble the engine on your snow thrower NOTE For painted parts...

Page 15: ...1 Carr Bolt 5 16 18 x 0 750 3 710 3015 Hex Screw 1 4 20 x 0 75 4 712 3027 Lock Nut 5 712 3068 Hex Lock Nut 6 720 0284 Hand Knob 7 731 0851A Flange Keeper Chute 8 731 0915B Lower Chute 9 731 0921 Upper Chute 10 736 0159 Washer 5 9 8 3 2 7 7 4 4 1 6 1 2 3 4 5 6 7 8 9 10 10 4 10 NOTE For painted parts please refer to the list of color codes below Please add the applicable color code wherever needed t...

Page 16: ...adet equipment used commercially is warranted for one year only Commercial use is defined as either having hired operators or used for income producing purposes Items not covered The warranty does not cover routine maintenance items such as lubricants filters oil fuel air and hydraulic cleaning tune ups brake and or clutch inspection adjustments made as part of normal maintenance blade sharpening ...

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