background image

2

TABLE OF CONTENTS

Content

Page

Important Safe Operation Practices .................................................................................. 3

Assembling Your

 

Snow Thrower ....................................................................................... 5

Know Your Snow Thrower................................................................................................. 6

Operating Your Snow Thrower .......................................................................................... 7

Making Adjustments .......................................................................................................... 8

Maintaining Your Snow Thrower ....................................................................................... 9

Off-Season Storage .......................................................................................................... 10

Troubleshooting ................................................................................................................ 11

Parts List .......................................................................................................................... 12

FINDING MODEL NUMBER

This Operator’s Manual is an important part of your new snow thrower. It will help you to assemble, prepare and 
maintain the unit for best performance. Please read and understand what it says. 

Before you start assembling your new snow thrower, please locate the model plate on the 
equipment and copy the information from it in the space provided below. The information on the 
model plate is very important if you need help from our Customer Support Department or an 
authorized dealer. 

You can locate the model number by standing behind the unit in the operating position and

 

looking down at 

the dash panel . A sample 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 unit for more information.

CALLING CUSTOMER SUPPORT

Please do NOT return the unit to the retailer from which it was purchased, without first contacting Customer Support.

If you have difficulty assembling this product or have any questions regarding the controls, operation or 
maintenance of this unit, please call 1-866-840-6483 or 1-330-558-7220 to reach a Customer Support 
representative. Please have your unit’s model number and serial number ready when you call. See 
previous section to locate this information. You will be asked to enter the serial number in order to 
process your call.

Copy the model number here:

Copy the serial number here:

www.troybilt.com

TROY-BILT  LLC
P. O. BOX    3 6 1 1 3 1
CLEVELAND, OH 44136

866-840-6483

330-558-7220

Model Number ________________

Serial Number ________________

Summary of Contents for 721

Page 1: ...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 fe...

Page 2: ...ence 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 unit for more information CALLING CUSTOMER SUPP...

Page 3: ...llector housing height to clear gravel or crushed rock surfaces 6 Disengage the control bail 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: ...e manufacturer e g wheel weights tire chains cabs etc 20 If situations occur which are not covered in this manual use care and good judgment Contact your dealer or telephone 1 866 840 6483 for assistance and the name of your nearest servicing dealer Maintenance Storage 1 Never tamper with safety devices Check their proper operation regularly 2 Disengage the control bail and stop engine Wait until ...

Page 5: ...nto the operating position Make sure not to pinch or crimp the cable Tighten the hand knobs Assembling the Discharge Chute For shipping reasons the snow thrower has been packaged with the upper chute pivoted all the way down To pivot it upward proceed as follows Turn the chute until the chute opening is facing straight ahead Remove the wing knob flat washer and carriage bolt from the lower chute S...

Page 6: ... position as desired Fuel Plug Discard the fuel plug before filling the fuel tank It is only used during assembly to keep dirt and debris out of fuel tank Primer Button Used to inject fuel directly into the carburetor to insure fast starts in cold weather Follow engine manual to prime engine Ignition Key Used to start engine Put key in ON position to start for both electric and recoil start engine...

Page 7: ...ve choke gradually to OFF If engine falters move choke immediately to FULL and then gradually to OFF When disconnecting the power cord always unplug from the three prong receptacle first and then from the snow thrower Recoil Starter Move choke lever to FULL choke position cold engine start If engine is warm place choke in OFF position instead of FULL Push primer button two or three times for cold ...

Page 8: ...he upper chute upward or downward to the desired pitch Retighten the wing knob before operating the snow thrower Position the discharge chute opening by using the Chute Handle to throw the snow in the desired direction See Figure 5 Figure 5 Operating Tips Discharge snow downwind whenever possible Slightly overlap each previously cleared path Lifting up on the handle will allow the rubber on the au...

Page 9: ...AINTAINING YOUR SNOW THROWER Replacing Belt Remove the belt cover by removing five hex screws See Figure 8 Figure 8 Pull up on the idler pulley and slip the belt off the engine pulley See Figure 9 Figure 9 Reassemble new belt Reinstall the belt cover Replacing Shave Plate The shave plate is attached to the bottom of the auger housing and is subject to wear It should be checked periodically There a...

Page 10: ...483 for information regarding the price and availability of Auger Kit 753 04472 or contact an authorized Troy bilt Service Dealer in your area To change the rubber paddles proceed as follows Remove the existing rubber paddles by unthreading the self tapping screws which secure them to the auger Secure the replacement rubber paddles to the auger using the hardware removed earlier SECTION 7 OFF SEAS...

Page 11: ...th fresh clean gasoline 3 Refer to engine manual for remedy 4 Refer to engine manual for remedy Engine overheats 1 Carburetor out of adjustment 1 Refer to engine manual for instruction Loss of power 1 Spark plug wire loose 2 Vent in gas cap plugged 1 Connect and tighten spark plug wire 2 Clear vent Excessive vibration 1 Loose parts or damaged auger 1 Stop engine immediately and disconnect spark pl...

Page 12: ...ODELS 521 721 41 39 44 35 35 44 35 44 33 43 42 18 3 14 21 8 20 10 28 22 4 1 13 11 21 2 16 7 29 12 17 25 22 28 19 15 30 6 9 9 13 31 23 27 CABLE TO BE ABOVE WHEEL AXEL 32 38 45 40 12 12 17 17 46 37 36 24 49 26 52 50 48 47 51 34 3 53 14 ...

Page 13: ...er 510 ID x 1 00 OD x 125 20 736 0329 Lock Washer 1 4 21 736 3090 Flat Washer 260 x 720 x 060 22 741 0600 Ball Bearing 17 x 40 x 12 23 741 0919 Ball Bearing 24 746 04091 Control Cable 25 748 0234 Shoulder Spacer 25 THK 26 749 04114 Lower Handle 27 750 04230 Flange Spacer 28 784 5174 Bearing Cup 29 790 00039 Idler Bracket w Brake 30 790 00045 Belt Cover 31 790 00062 Belt Keeper 32 684 0178 Mitten G...

Page 14: ...6 18 4 720 0284 Handle Knob Assembly 5 16 18 5 731 04127 Lower Chute 5 Dia 6 731 04353 Ring Lower Chute 7 731 04373 Chute Adapter 5 Dia 8 731 04388 Handle Chute 5 Dia 9 731 04429 Upper Chute w Export Label 10 732 04111 Chute Adjustment Spring 11 736 0159 Flat Washer 349 ID x 879 OD x 063 12 684 04049 Lower Chute Ass y Incl 5 7 and 10 6 4 11 9 1 10 2 5 11 8 3 7 12 ...

Page 15: ...p Hose 10 726 0470 Cable Tie 12 731 2825 Knob Choke 13 736 0119 Washer Lock 5 16 14 736 0242 Bell Washer 340 x 872 x 060 15 736 0337 Flat Washer 5 8 ID x 1 0 OD 16 747 04169 Support Wire Gas Tank 17 751 0535 Hose Fuel Line 18 751 0603 Cap Fuel 19 751 10023 Tank Fuel 20 751 0101A V Belt 1 2 x 35 0 LG 21 756 04060 Pulley Half 625 ID x 2 25 OD 22 756 0475 Pulley 1 2 V 1 2 20 LH x 6 0 23 790 00047 Bra...

Page 16: ...tems such as lubricants filters blade sharpening tune ups brake adjustments clutch adjustments deck adjustments and normal deterioration of the exterior finish due to use or exposure d Troy Bilt does not extend any warranty for products sold or exported outside of the United States its possessions and territories except those sold through Troy Bilt s authorized channels of export distribution e Re...

Reviews: