MTD 31AE993I401 Snow Blower User Manual
Contents
1. A Traction i E f CY Actuator Bracket A VAS Auger NI KSN Actuator Bracket EEN Auger Spring Figure 6 e Push the cable coupler through the end of the spring to expose the lock nut See Figure 7 Coupler Lock Nut Figure 7 Thread the lock nut outward down the coupler three full turns to provide more slack in the cable and reattach the spring to the bracket e Repeat auger control test to verify for proper adjustment Repeat previous steps to adjust more if necessary Tire Pressure Pneumatic Tires The tires are overinflated for shipping purposes e Check tire pressure Maintain pressure between 10 and 14 psi NOTE f the tire pressure is not equal in all tires the unit may pull to one side or the other WARNING Maximum tire pressure under A any circumstance is 30 psi Equal tire pressure should be maintained at all times Excessive pressure over 30 psi when seating beads may cause tire rim assembly to burst with force sufficient to cause serious injury SECTION 3 KNOWING YOUR SNOW THROWER T WARNING Be familiar with all the controls on the snow thrower and their proper operation Know how to stop the machine and disengage them quickly Compare the figure below with your equipment and be familiar with its controls before starting it Traction Control gt Auger Control Lock Fuel Tank Oil Fill Discharge Chute HN Chute Clean Out Tool Auger2. Shift Lever Chute Tilt Control Auger Drive Control Control Figure 8 Traction Control Auger Control Lock The traction control is located on the right handle Squeeze the traction control to engage the wheel drive Release to stop This same lever also locks the auger control so you can operate the chute crank without interrupting the snow throwing process If the auger control is engaged simultaneously with the traction control the operator can release the auger control on the left handle and the augers will remain engaged Release the traction control to stop the augers and wheel drive the auger control must also be released IMPORTANT Always release the traction control before changing speeds Auger Control The auger control is located on the left handle Squeeze the auger control to engage the augers Release to stop the snow throwing action The traction control must also be released in order to stop auger Shift Lever The shift lever is located in the center of the handle panel and is used to determine ground speed and direction of travel It can be moved into any of eight positions IMPORTANT Always release traction control before changing speeds Forward The snow thrower has six forward F speeds Position one 1 is the slowest and position six 6 is the fastest Reverse The snow thrower has two reverse R speeds RI1 is the slower of the two Discharge Chute The angle of t
3. 736 0217 Lock Washer 14 736 0242 Beleville Washer 15 736 0264 Flat Washer 16 737 3007 Grease 17 738 0215A Shoulder Screw 18 748 0234 Shoulder Spacer 19 754 0131 V Belt 20 756 0240 Flat Idler 21 756 0241B Double Pulley 22 784 5726 Idler Bracket 23 712 0324 Hex Lock Nut 1 4 20 24 732 0705 Cable Guide 25 736 0173 Flat Washer 26 629 0071 Extension Cord 110V 3 prong 27 MANUFACTURER S LIMITED WARRANTY FOR YARD MaN YaRD MaN The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States its possessions and territories MTD LLC warrants this product against defects for a period of two 2 years commencing on the date of original purchase and will at its option repair or replace free of charge any part found to be defective in materials or workmanship This limited warranty shall only apply if this product has been operated and maintained in accordance with the Operator s Manual furnished with the product and has not been subject to misuse abuse commercial use neglect accident improper maintenance alteration vandalism theft fire water or damage because of other peril or natural disaster Damage resulting from the installation or use of any accessory or attachment not approved by MTD LLC for use with the product s covered by this manual will void your warranty as to any resulting damage Normal wear parts or c
4. 12 A tank indoors or in poorly ventilated areas e Always store the snow thrower in a clean dry area where fuel fumes may reach an open flame spark or pilot light as on a furnace water heater clothes dryer or other gas appliance NOTE When storing any type of power equipment in an unventilated or metal storage shed care should be taken to rust proof the equipment Using a light oil or e If unit is to be stored over 30 days prepare engine silicone coat the equipment especially any chains for storage as instructed in the engine manual springs bearings and cables Safety amp Decorative Labels Part Number and Location 777007448 UT 777120747 777120412 REF 777832236 MOLD IN GRAPHIC A DAI 777832066 in FRONT TOP OF AUGER HOUSING FACING OPERATOR MODEL PLATE 777007454 TOP OF AUGER HOUSING NOT FACING OPERATOR YARD MAN ack 192 33 SECTION 9 TROUBLESHOOTING Problem Cause Remedy Engine fails to start 1 Fuel tank empty or stale fuel 1 Fill tank with fresh gasoline 2 Blocked fuel line 2 Clean the fuel line 3 Choke not in ON position 3 Move switch to ON position 4 Faulty spark plug 4 Clean adjust gap or replace 5 Safety key not in ignition switch on engine 5 Insert the key fully into the switch 6 Spark plug wire disconnected 6 Connect spark plug wire 7 Primer button not being used properly 7 Refer to the engine manual
5. 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 e Move throttle control to stop or off position Remove ignition key Do not turn key Disconnect the spark plug wire from the spark plug to prevent accidental starting while equipment is unattended NOTE Keep key in a safe place Engine will not start without ignition key Wipe all snow and moisture from the carburetor cover in the area of the control levers Also move control levers back and forth several times w Engage Wheel Drive With the engine running near top speed move shift lever to one of the eight positions to set desired speed and direction Select speed appropriate for the snow conditions that exist NOTE Use slower speeds in higher snow and or until you are familiar with the snow thrower operation e Squeeze traction control against the right handle to move the snow thrower release it to stop IMPORTANT NEVER move the shift lever without first releasing the traction control Doing so will cause premature wear on the drive system s friction wheel To Engage Augers e To engage augers and start snow throwing squeeze the auger control against the left handle To disengage power to the augers release both the auger control and the traction control if engaged Operating Tips NOTE Allow the engine to warm up for a few
6. area to be cleared is uneven When operating on gravel always put skid shoes in the high position See Figure 12 Adjust skid shoes as follows Loosen but do not remove the three hex nuts which fasten the skid shoe to the auger housing e Raise or lower the skid shoe to desired position e Retighten the hex nuts loosened earlier e Repeat on the other side of the snow thrower Skid Shoes Figure 12 NOTE Make certain the bottom surface of skid shoe is flat against the ground to avoid uneven wear SECTION 6 MAINTAINING YOUR SNOW THROWER inspecting disengage all clutch levers and stop engine Wait until all moving parts have come to acomplete stop Disconnect the spark plug wire and ground it against the engine to prevent unintended starting 1 WARNING Before lubricating repairing or General Recommendations e Always observe safety rules when performing any maintenance e The warranty on this snow thrower does not cover items that have been subjected to operator abuse or negligence To receive full value from the warranty operator must maintain the snow thrower as instructed in this manual e Some adjustments will have to be made periodically to maintain your unit properly e Periodically check all fasteners and hardware to make sure these are tight Lubrication Drive and Shifting Mechanism Atleast once a season or after every 25 hours of Operation remove rear cover Lubricate any chains s
7. for clarity Figure 5 Chute Clean Out Tool e This tool and the electric cord are fastened with a cable tie to the rear ofthe auger housing for shipping purposes Cut the cable tie and remove electric cord before operating the snow thrower Final Adjustments Make these final adjustments before operating your snow thrower for the first time Failure to follow these instructions may cause damage to the snow thrower NOTE f you have a question about the terms used in these instructions refer to the descriptions and illustration starting on page 8 Traction Control amp Shift Lever Perform the following test to determine need for adjustment Move the shift lever into sixth 6 position e With the traction control released push the snow thrower forward then pull it back The machine should move freely Engage the traction control and attempt to move the machine both forward and back resistance should be felt e Move the shift lever into the fast reverse R2 position and repeat the previous two steps If you experienced resistance rolling the unit either when repositioning the shift lever from 6 to R2 or when attempting to move the machine with the traction control released adjust the traction control immediately To adjust proceed as follows Loosen the jam nut on the traction control cable and unthread the cable one full turn e Recheck adjustment Retighten the jam nut to secure the cable when corr
8. friction wheel is making contact with friction plate Refer to Figure 11 If it does not make contact adjust the traction drive cable and recheck the friction wheel Replace friction wheel rubber if necessary Refer to instructions on page 16 Drive Belts Follow the instructions below to check the condition of the drive belts every 50 hours of operation Remove the plastic belt cover on the front of the engine by removing the three self tapping screws e Visually inspect for frayed cracked or excessively worn out belts e Replace belts as necessary as outlined in Service Section on page 15 Engine Follow accompanying engine manual for all engine related maintenance issues SECTION 7 SERVICING YOUR SNOW THROWER WARNING Before servicing repairing or inspecting disengage all clutch levers and stop engine Wait until all moving parts have come to acomplete stop Disconnect spark plug wire and ground it against the engine to prevent unintended starting A Augers The augers are secured to the spiral shaft with two shear bolts and hex lock nuts If you hit a foreign object or ice jam the snow thrower is designed so that the bolts may shear Refer to Figure 13 If the augers do not turn check if the bolts have sheared Two replacement shear bolts and hex lock nuts have been provided with the snow thrower Refer to Loose Parts in the Assembly Section IMPORTANT NEVER replace the auger shear bolts with standa
9. position Insert ignition key into slot Be certain it snaps into place Do not turn key NOTE Engine will not start unless ignition key is inserted into ignition slot in carburetor cover Electric Starter with a grounded three wire power cord and plug and is designed to operate on 120 volt AC household current It must be used with a properly grounded three prong receptacle at all times to avoid the possibility of electric shock Follow all instructions carefully prior to operating the electric starter T WARNING The electric starter is equipped Determine that your house wiring is a three wire grounded system Ask a licensed electrician if you are not certain If your house wiring system is not a three wire grounded system do not use this electric starter under any conditions If your home electrical system is grounded but a three hole receptacle is not available one should be installed by a licensed electrician before using the electric starter If you have a grounded three prong receptacle proceed as follows e Connect power cord to switch box on engine Plug the other end of power cord into a three hole grounded 120 volt AC receptacle e Rotate choke knob to ON position e Push primer button three times making sure to cover vent hole when pushing e Push starter button on top of the engine to crank engine As you Prime crank the engine move choke Vent Hole knob to FULL choke position When engine star
10. x 059 7 684 0118 Actr Bracket Assembly Auger 51 736 0329 Lock Washer 1 4 8 684 0119 Actr Bracket Assembly Drive 52 736 0623 Flat Washer 64 x 1 24 x 06 9 684 0122 Sprocket Assembly 32T 53 737 0318 Grease 10 684 0161 Shift Arm Assembly 54 737 04027 Lubricant 11 684 0162 Support Bracket Assembly 55 737 3000 Lube Fitting 3 16 Drive 12 710 0195 Hex Screw 1 4 28 x 625 56 738 0143 Shoulder Screw 13 710 0538 Hex Screw 5 16 18 x 625 57 738 0279 Spindle drive Plate 14 710 0599 TT Screw 1 4 20 x 0 5 58 738 0924 C Screw 1 4 28 x 375 15 710 0726 AB Screw 5 16 12 x 0 75 59 741 0163A Bearing Housing 16 710 0788 TT Screw 1 4 20 x 1 0 60 741 0225 Hex Flange Bearing 17 710 1652 TT Screw 1 4 20 x 625 61 741 04025 Bearing Self Aligning 18 710 1879 Hex Screw 3 8 16 x 880 62 741 0563 Ball Bearing 19 710 3001 Hex Screw 3 8 16 x 880 63 741 0747 Ball Bearing 20 710 3008 Hex Screw 5 16 18 x 0 75 64 741 0748 Flange Bushing 21 710 3103 Hex Screw 5 16 18 x 2 0 65 746 0949A Steering Cable 22 710 3180 Hex Screw 5 16 18 x 1 75 66 746 0951 Idler Cable Auger 23 711 1191 Drive Shaft 67 747 0973 Clutch Rod Drive 24 711 1193 Actr Shaft 68 750 0903 Split Spacer 25 711 1194 Actr Shaft Drive 69 750 0997 Spacer 26 712 0116 Jam Nut 70 750 1302A Spacer 27 712 0138 Hex Nut 1 4 28 71 756 0344 Drive Pulley 28 712 0221 Jam Nut 72 756 062
11. 0271 Hex Sems Nut 41 712 0429 Hex Lock Nut 42 720 0232 Shift Knob 43 731 1873A Handle Panel 44 736 0159 5 16 Washer 21 Model 9931 NOTE For painted parts please refer to the list of color codes below Please add the applicable color code wherever needed to the part number to order a replacement part For instance if a part numbered 700 xxxx is painted Yard Man Green the part number to order would be 700 xxxx 0665 Yard Man Green 0665 Yard Man Yellow 0674 Powder Black 0637 22 Model 9931 e Part No Part Description ee Part No Part Description 1 05244A Bearing Housing 32 741 0192 Flange Bearing w Flats 2 618 0281A Bracket Assembly Auger Break 33 741 0475 Plastic Bushing 3 684 0090A Impeller Assembly 16 34 741 0494 Flange Bushing 4 710 0371 Hex Lock Bolt 5 16 18 x 875 35 747 0980 Idler Rod Auger 5 710 0451 Carriage Bolt 5 16 18 x 750 36 754 0222A V Belt 6 710 0459A Hex Screw Special 3 8 24 x 1 5 37 756 0178 Flat Idler 7 710 0528 Hex Screw 5 16 18 x 1 25 38 756 0243 Pulley 8 710 0726 AB Screw 5 16 12 x 75 39 784 0385A Idler Bracket Auger 9 710 0891 Shear Bolt 5 16 18 x 1 75 40 784 5076 Support Bracket 10 711 0640 Stud 41 784 5123 Chute Crank Bracket 11 711 0677 Ferrule 42 784 5710 Support Plate 12 712 0116 Jam Nut 3 8 24 43 784 5711 Chute Bracket 13 712 3004A Flange Lock Nut 5 16
12. 18 44 618 0257 Gear Assembly 14 712 3010 Hex Nut 5 16 18 45 705 5210A Spiral Assembly RH 15 714 0104 Hairpin Clip 46 705 5211A Spiral Assembly LH 16 714 0126 Key 47 684 0093B Auger Housing Assembly 17 714 0135 Key 48 784 5697 Slide Shoe 18 715 0118 Spiral Pin 49 737 3000 Lube Fitting 19 731 1696A Chute Adapter 50 738 0491 Spiral Axle 20 732 0858 Extension Spring 51 736 0105 Bell Washer 21 736 0119 Lock Washer 52 05848B Bearing Housing 23 736 0169 Lock Washer 53 784 5714A Shave Plate 24 736 0174 Wave Washer 54 710 0389 Carriage Screw 25 736 0242 Beleville Washer 55 710 3168 Carriage Bolt 26 736 0250 Flat Washer 56 712 0798 Hex Nut 3 8 16 27 736 0271 Spring Washer 57 731 2635 Mount Chute Clean out Tool 28 736 3008 Flat Washer 58 731 2643 Chute Clean Out Tool 30 738 0281 Shoulder Screw 59 710 1260A Screw 5 16 18 x 75 31 741 04024 Self Aligning Bearing 60 712 0717 Insert Nut 3 8 16 23 Model 9931 24 Model 9931 ha Part No Part Description n Part No Part Description 1 05244A Bearing Housing 45 736 0158 Lock Washer 5 8 2 618 0279 Dogg Assembly LH 46 736 0160 Flat Washer 53 x 93 x 050 3 618 0280 Dogg Assembly RH 47 736 0163 Flat Washer 1 030 x 1 620 x 030 4 618 0282D Shift Assembly 48 736 0217 Lock Washer 5 618 0296A Friction Wheel Assembly 49 736 0242 Bell Washer 6 684 0117 Shift Rod Assembly 50 736 0300 Flat Washer 406 x 875
13. 5 Cable Roller 29 712 0429 Lock Nut 73 784 0379 Frame Cover Upper 30 712 0717 Nut Insert 74 784 0380 Frame Cover Lower 31 712 0798 Hex Nut 3 8 16 75 784 0384 Auger Cable Bracket Guide 32 712 3010 Hex Nut 5 16 18 76 784 0403 Shift Bracket 33 713 0284 Chain Endless 77 784 0404 Retainer Bracket Bearing 34 713 0286 Chain 78 784 0406 Support Bracket Frame 35 713 0413 Sprocket 79 784 0407 Support Bracket Axle Bearing 36 714 0101 Hairpin Clip 80 790 00016 Frame 37 714 0104 Hairpin Clip 81 714 0151A Klik Pin 38 714 0115 Cotter Pin 82 734 1593 Wheel 39 714 0388 Key 83 738 1164A Axle Wheel 40 715 0249 Spring Pin 84 784 5617A Friction Plate 41 717 0302 Drive Plate 85 735 0243B Friction Wheel Rubber 42 732 0121 Extension Spring 86 718 0301A Friction Wheel Hub 43 732 0209 Extension Spring 87 618 0063A Friction Wheel Bearing 44 736 0119 Lock Washer 5 16 Items 17 85 86 87 and 88 are part of this assembly 25 Model 9931 26 Model 9931 Ref Part No Description No 1 07386 Washer 2 684 0123A Belt Cover Bracket Assembly 3 710 0191 Hex Screw 3 8 24 x 1 25 4 710 0237 Hex Screw 5 16 24 x 625 5 710 0502A TT Sems Screw 6 710 0607 TT Screw 5 16 18 x 0 5 7 710 1245 Hex Lock Screw 5 16 24 x 875 8 712 0116 Jam Nut 9 714 0118 Key 10 731 2531 Belt Cover 11 732 0303 Extension Spring 12 736 0159 5 16 Washer 13
14. Engine runs erratic 1 Unit running on CHOKE 1 Move choke lever to OFF position 2 Blocked fuel line or stale fuel 2 Clean fuel line and fill tank with clean fresh gasoline 3 Water or dirt in fuel system 3 Drain fuel tank and carburetor Refill with fresh fuel 4 Carburetor out of adjustment 4 Refer to the engine manual Loss of power 1 Spark plug wire loose 1 Connect and tighten spark plug wire 2 Gas cap vent hole plugged 2 Remove ice and snow from gas cap Be certain vent hole is clear 3 Exhaust port plugged 3 Refer to the engine manual Engine overheats 1 Carburetor not adjusted properly 1 Refer to the engine manual or have the carburetor adjusted by an authorized engine service dealer Excessive vibration 1 Loose parts or damaged auger 1 Stop engine immediately and disconnect spark plug wire Tighten all bolts and nuts If vibration continues have unit serviced by an authorized service dealer Unit fails 1 Traction control cable in need of adjustment 1 Adjust traction control cable Refer to to propel itself Adjustments 2 Drive belt loose or damaged 2 Replace drive belt Unit fails 1 Discharge chute clogged 1 Stop engine immediately and disconnect to discharge snow spark plug wire Clean discharge chute and inside of auger housing 2 Foreign object lodged in auger 2 Stop engine immediately and disconnect spark plug wire Remove object from auger 3 Auger control cable in need of adju
15. YARD MAN by MTD M Operator s Manual 33 inch Two Stage Snow Thrower Model 31AE9931401 IMPORTANT Read safety rules and instructions carefully before operating equipment 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 361131 Cleveland Ohio 44136 0019 MTD LLC P 0 BOX 361131 CLEVELAND OHIO 44136 0019 PRINTED IN U S A FORM NO 770 10278D 6 2003 TABLE OF CONTENTS Content Page Important Safe Operation Practices cnn nn nano nc n cnn nn rra 3 Assembling Your Snow Thrower ii 5 Know Your Snow Thrower ii 8 Operating Your Snow Thrower i 9 Making AdjustMentS coincide ita o dd e 11 Maintaining Your Snow Thrower ui 12 Servicing Your Snow Thrower i 14 Off S6ason S
16. cts Failure to observe the following safety instructions could result in serious injury or death Training 1 Read understand and follow all instructions on the machine and in the manual s before attempting to assemble and operate Keep this manual in a safe place for future and regular reference and for ordering replacement parts Be familiar with all controls and their proper operation Know how to stop the machine and disengage them quickly Never allow children under 14 years old to operate this machine Children 14 years old and over should read and understand the operation instructions and safety rules in this manual and should be trained and supervised by a parent Never allow adults to operate this machine without proper instruction Thrown objects can cause serious personal injury Plan your snow throwing pattern to avoid discharge of material toward roads bystanders and the like Keep bystanders helpers pets and children at least 75 feet from the machine while it is in operation Stop machine if anyone enters the area Exercise caution to avoid slipping or falling especially when operating in reverse Preparation 1 Thoroughly inspect the area where the equipment is to be used Remove all doormats newspapers sleds boards wires and other foreign objects which could be tripped over or thrown by the auger impeller Always wear safety glasses or eye shields during operation and while performing an adjustm
17. disengage properly and adjust if necessary Refer to the adjustment section in this operator s manual for instructions Maintain or replace safety and instruction labels as necessary Observe proper disposal laws and regulations for gas oil etc to protect the environment Prior to storing run machine a few minutes to clear snow from machine and prevent freeze up of auger impeller Never store the machine or fuel container inside where there is an open flame spark or pilot light such as a water heater furnace clothes dryer etc Always refer to the operator s manual for proper instructions on off season storage Your Responsibility Restrict the use of this power machine to persons who read understand and follow the warnings and instructions in this manual and on the machine The safety labels are shown below for your reference SECTION 2 ASSEMBLING YOUR SNOW THROWER Unpacking Remove staples from the top sides and ends of the shipping crate Set panels aside to avoid tire damage or personal injury Remove and discard plastic bag that covers unit Roll the unit out of the crate e Check the crate for loose parts before discarding Loose Parts The augers are secured to the auger shaft with two shear bolts and hex lock nuts If you hit a foreign object or ice jam the snow thrower is designed so that the bolts may shear Two replacement shear bolts and nuts are provided for your convenience See Figure 1 St
18. dle Lock 37 784 5619A Shift Handle 38 784 5679 Handle Suppt Bracket 5 8 LH 39 714 0507 Hairpin Clip Model 9931 Model 9931 e Part No Part Description 1 646 0012 Cable Assembly Auger Drive 2 684 0053B Chute Crank Assembly 3 705 5266 Chute Crank Bracket 4 710 1879 Hex Screw 3 8 16 x 880 5 710 1878 Hex Screw3 8 16 x 1 75 6 710 0458 Carriage Bolt 5 16 18 x 1 75 7 710 0572 Carriage Bolt 5 16 18 x 2 5 8 710 0891 Shear Bolt 5 16 18 x 1 75 9 710 3015 Hex Screw 1 4 20 x 75 10 711 0677 Ferrule 11 712 0287 Hex Nut 1 4 20 12 712 0429 Hex Lock Nut 13 712 3010 Hex Nut 14 714 0101 Hairpin Clip 15 714 0104 Hairpin Clip 16 720 0201A Chute Crank Knob 17 720 0284 Knob 18 726 0100 Push Cap 19 736 0105 Bell Washer 20 736 0185 Flat Washer 21 736 0242 Beleville Washer 22 736 0270 Bell Washer 23 736 0275 Flat Washer 24 741 0475 Plastic Bushing 25 747 0624 Chute Crank 26 747 0983 Lower Shift Rod 27 747 0997 Upper Shift Rod 28 749 0989A Upper Handle LH 29 749 0990A Upper Handle RH 30 749 0991 Lower Handle 31 750 0963 Clutch Rod Connector 32 710 1625 Oval C Sunk Screw 33 712 0127 Flat Weld Nut 34 725 0157 Cable Tie 35 746 0950 Trigger Control 36 625 0007 Light Assembly 725 1658 Halogen Lamp 725 1672 Lens Assembly 37 705 5218 Handle Engagement RH 38 705 5219 Handle Engagement LH 39 710 1003 Special B Screw 40 712
19. e chute See Figure 14 S Lube Under Chute Base Chute Crank Spirals Figure 14 Auger Bearings and Shaft Every season lubricate the auger bearings and the bearings on the side of the frame with light oil See to Figure 13 e Use oil or spray lubricant into the bearings at the wheels at least once a season Remove the wheels one side at a time and clean and coat axles with multi purpose automotive grease e Lubricate the auger shaft at least once a season To do this Remove the shear bolts on the auger shaft e Oil or spray lubricant inside shaft e Carefully spin the auger around by hand to disperse the lubricant e Reinstall the shear bolts Traction Control Auger Control Lock The cams on the ends of the control rods which interlock the traction drive and auger drive clutches must be lubricated at least once a season or every 25 hours of operation using a multi purpose automotive grease The cams can be accessed beneath the handle panel See Figure 15 Handle Panel Control Rods a cameras 4 Figure 15 Friction Wheel Rubber Follow the instructions below to check the condition of the friction wheel rubber every 25 hours of operation Remove the six self tapping screws from the frame cover underneath the snow thrower e Visually inspect the friction wheel rubber for excessive wear cracks or loose fit on the friction wheel drive hub e Also engage the traction control and check if the
20. e stopped before unclogging Use only attachments and accessories approved by the manufacturer e g wheel weights tire chains cabs etc If situations occur which are not covered in this manual use care and good judgment Contact your dealer or telephone 1 800 800 7310 for assistance and the name of your nearest servicing dealer Maintenance amp Storage 1 10 11 Never tamper with safety devices Check their proper operation regularly Refer to the maintenance and adjustment sections of this manual Before cleaning repairing or inspecting machine 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 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 Do not change the engine governor setting or over speed the engine The governor controls the maximum safe operating speed of the engine Snow thrower shave plates and skid shoes are subject to wear and damage For your safety protection frequently check all components and replace with original equipment manufacturer s OEM parts only Use of parts which do not meet the original equipment specifications may lead to improper performance and compromise safety Check clutch controls periodically to verify they engage and
21. ect adjustment is reached NOTE For more details refer to Traction Control Adjustment on page 11 Auger Control Check the adjustment of the auger control as follows When the auger control is released and in the disengaged up position the cable should have very little slack but should NOT be tight WARNING Do not over tighten the cable Over tightening may prevent the auger from disengaging and compromise the safety of the snow thrower Inawell ventilated area start the snow thrower engine as instructed on page 9 Make sure the throttle is set in the fast position e While standing in the operators position behind the snow thrower engage the auger Allow the auger to remain engaged for approximately ten seconds before releasing the auger control Repeat this several times With the engine running in the fast position and the auger control lever in the disengaged up position walk to the front ofthe machine e Confirm that the auger has completely stopped rotating and shows no signs of motion IMPORTANT If the auger shows any signs of rotating immediately return to the operator s position and shut off the engine Wait for all moving parts to stop before readjusting the auger control cable e To readjust the control cable unhook the spring found on the end of the auger cable from the auger actuator bracket See Figure 6 Traction 7 Spring TS y ASI LEON NEGO EDI po Quy y
22. ent or repair to protect your eyes Thrown objects which ricochet can cause serious injury to the eyes Do not operate without wearing adequate winter outer garments Do not wear jewelry long scarves or other loose clothing which could become entangled in moving parts Wear footwear which will improve footing on slippery surfaces Use a grounded three wire extension cord and receptacle for all units with electric start engines Adjust collector housing height to clear gravel or crushed rock surfaces Disengage all clutch levers before starting the engine Never attempt to make any adjustments while engine is running except where specifically recommended in the operator s manual Let engine and machine adjust to outdoor temperature before starting to clear snow To avoid personal injury or property damage use extreme care in handling gasoline Gasoline is extremely flammable and the vapors are explosive Serious personal injury can occur when gasoline is spilled on yourself or your clothes which can ignite Wash your skin and change clothes immediately a Use only an approved gasoline container b Extinguish all cigarettes cigars pipes and other sources of ignition c Never fuel machine indoors d Never remove gas cap or add fuel while the engine is hot or running e Allow engine to cool at least two minutes before refueling f Never over fill fuel tank Fill tank to no more than Ye inch below bottom of filler neck t
23. ercise caution when changing direction and while operating on slopes Plan your snow throwing pattern to avoid discharge towards windows walls cars etc Thus avoiding possible property damage or personal injury caused by a ricochet Never direct discharge at children bystanders and pets or allow anyone in front of the machine Do not overload machine capacity by attempting to clear snow at too fast of a rate Never operate this machine without good visibility or light Always be sure of your footing and keep a firm hold on the handles Walk never run Disengage power to the auger impeller when transporting or not in use Never operate machine at high transport speeds on slippery surfaces Look down and behind and use care when in reverse Ifthe machine should start to vibrate abnormally stop the engine disconnect the spark plug wire and ground it against the engine Inspect thoroughly for damage Repair any damage before starting and operating Disengage all clutch levers and stop engine before you leave the operating position behind the handles Wait until the auger impeller comes to a complete stop before unclogging the discharge chute making any adjustments or inspections Never put your hand in the discharge or collector openings Always use the clean out tool provided to unclog the discharge opening Do not unclog discharge chute while engine is running Shut off engine and remain behind handles until all moving parts hav
24. he discharge chute controls the distance that the snow is thrown Tilt the discharge chute up for greater distance tilt down for less distance Chute Crank The chute crank is located on the left side of the snow thrower Use it to change the direction in which snow is thrown Avoid targetting persons animals or cars and buildings 5 CLOCKWISE TO DISCHARGE LEFT COUNTER CLOCKWISE TO DISCHARGE RIGHT Chute Tilt Control The distance snow is thrown can be changed by adjusting the angle of the chute assembly Move the chute tilt control forward to decrease the distance toward the rear to increase EN Wheel Steering Controls The left and right wheel steering ae A controls are located on the underside VA of the handles See e Squeeze the right control to turn right squeeze the left control to turn left NOTE Operate the snow thrower in open areas until you are familiar with these controls Skid Shoe The skid shoe position is determined by the condition of the ground from where snow has to be removed Higher the snow level lower will be the skid shoe Adjust it accordingly Headlight The headlight is on whenever the engine is running Throttle Control The throttle control is located on the engine It regulates the speed of the engine Safety Ignition Key The safety ignition key must be fully inserted in the switch before the unit will start Remove key when snow thrower is not in use Do not attem
25. hout first contacting Customer Support If you have difficulty assembling this product or have any questions regarding the controls operation or v maintenance of this unit please call 1 330 220 4MTD 4683 or 1 800 800 7310 to reach a y 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 For more details about your unit visit our website at www yardman com SECTION 1 IMPORTANT SAFE OPERATION PRACTICES A WARNING This symbol points out important safety instructions which if not followed could endanger the personal safety and or property of yourself and others Read and follow all instructions in this manual before attempting to operate this machine Failure to comply with these instructions may result in personal injury When you see this symbol heed its warning WARNING Engine Exhaust some of its constituents and certain vehicle components contain or emit chemicals known to State of California to cause cancer and birth defects or other reproductive harm DANGER This machine was built to be operated according to the rules for safe operation in this manual As with any type of power equipment carelessness or error on the part of the operator can result in serious injury This machine is capable of amputating hands and feet and throwing obje
26. igure 11 e With the traction control lever engaged check if the friction wheel solidly contacts the drive plate See Figure 11 If not adjust as follows e Loosen the jam nut on the traction drive cable and thread the cable in or out as necessary Retighten the jam nut to secure the cable when correct adjustment is reached Reassemble the frame cover Ifyou placed plastic film under the gas cap earlier remove it now Trigger Cables Shift Arm Drive Actuator Bracket Auger Actuator Bracket Hex Nut amp Cupped i Hex Gear Shaft Washer i A DD AA Rubber fe Friction a Wheel Drive Plate Figure 11 Auger Control Refer to instructions on page 6 to adjust the auger control Make certain to check for correct adjustment as instructed before operating the snow thrower Chute Assembly The distance snow is thrown can be adjusted by adjusting the angle of the chute assembly Refer to page 8 for instructions The remote chute control cables have been pre adjusted at the factory Move the remote chute lever on the control panel back and forward to adjust angle of the chute assembly Skid Shoe The space between the shave plate and the ground can be adjusted by raising or lowering the skid shoes For close snow removal as when using on a smooth concrete or asphalt driveway place the skid shoes in the low position Use the middle or high position when the
27. minutes The engine will not develop full power until it reaches operating temperature WARNING The temperature of the muffler and the surrounding areas may exceed 150 F Avoid these areas e f possible remove snow immediately after it falls e Discharge snow downwind whenever possible e Slightly overlap each previous path Set the skid shoes 1 4 below the shave plate for normal usage Adjust it upward for hard packed snow and downward when using on gravel or crushed rock Chute Clean Out Tool The chute clean out tool is conveniently fastened to the rear of the auger housing with a mounting clip Never use your hand to clean a clogged chute or chute opening use this clean out tool instead e Release both the auger control lever and the traction auger control lock lever Stop the engine by removing the ignition key Remove the chute clean out tool from the clip which secures it to the rear of the auger housing See Figure 9 Use the shovel shaped end of the clean out tool to remove any snow and ice in the discharge chute Re fasten the clean out tool to the mounting clip on the rear of the auger housing and restart engine e While standing in the operator s position behind the snow thrower engage the auger clutch lever for a few seconds to clear any remaining snow or SECTION 5 MAKING ADJUSTMENTS WARNING NEVER attempt to clean chute or make any adjustments while engine is running Shift Rod Re
28. move the hairpin clip and flat washer from the shift handle under the handle panel See Figure 10 Place shift lever in sixth 6 position or fastest forward speed e Push shift arm assembly down as far as it will go Hairpin Clip Flat washer Be Arm Y SY 4 Clutch Rod Connector y Figure 10 Rotate the ferrule up or down on the shift rod as necessary until the ferrule lines up with the upper ice from the discharge chute before continuing to clear snow hute Clean Out Tool Figure 9 hole in the shift lever See Figure 10 Insert ferrule from the left side of the snow thrower into the upper hole e Reinstall the hairpin clip and the washer IMPORTANT Before operating the snow thrower make sure the shift rod is adjusted according to instructions on page 6 NOTE For adjustment of auger control skid shoe and chute assembly refer to Final Adjustments in Section 1 Traction Control If you are uncertain about correct adjustment proceed as follows e Drain the gasoline out of your snow thrower s engine and place a piece of plastic film under the gas cap to avoid spillage Tip the snow thrower forward allowing it to rest on the auger housing Remove the frame cover underneath the snow thrower by removing six self tapping screws e With the traction control released check if there is clearance between friction wheel and drive plate in all positions of the shift lever See F
29. nty for products sold or exported outside of the United States its possesions and territories except those sold through MTD LLC s authorized channels of export distribution e Parts that are not genuine MTD parts are not covered by this warranty f Service completed by someone other than an authorized service dealer is not covered by this warranty g Transportation charges and service calls are not covered No implied warranty including any implied warranty of merchantability of fitness for a particular purpose applies after the applicable period of express written warranty above as to the parts as identified No other express warranty whether written or oral except as mentioned above given by any person or entity including a dealer or retailer with respect to any product shall bind MTD LLC During the period of the warranty the exclusive remedy is repair or replacement of the product as set forth above The provisions as set forth in this warranty provide the sole and exclusive remedy arising from the sale MTD LLC shall not be liable for incidental or consequential loss or damage including without limitation expenses incurred for substitute or replacement lawn care services or for rental expenses to temporarily replace a warranted product Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations on how long an implied warranty lasts so the above exclusions or limitati
30. o provide space for fuel expansion g Replace gasoline cap and tighten securely h If gasoline is spilled wipe it off the engine and equipment Move machine to another area Wait 5 minutes before starting the engine i Never store the machine or fuel container inside where there is an open flame spark or pilot light e g furnace water heater space heater clothes dryer etc j Allow machine to cool at least 5 minutes before storing Operation 1 Do not put hands or feet near rotating parts in the auger impeller housing or discharge chute Contact with the rotating parts can amputate hands and feet The auger impeller clutch lever is a safety device Never bypass its operation Doing so makes the machine unsafe and may cause personal injury The clutch levers must operate easily in both directions and automatically return to the disengaged position when released Never operate with a missing or damaged discharge chute Keep all safety devices in place and working 10 11 12 13 14 15 16 17 18 19 20 Never run an engine indoors or in a poorly ventilated area Engine exhaust contains carbon monoxide an odorless and deadly gas Do not operate machine while under the influence of alcohol or drugs Muffler and engine become hot and can cause a burn Do not touch Exercise extreme caution when operating on or crossing gravel surfaces Stay alert for hidden hazards or traffic Ex
31. old rubber e Reassemble the new friction wheel rubber to the friction wheel assembly tightening the four screws in rotation and with equal force See Figure 23 It is important to assemble the rubber on the friction wheel symmetrically for proper functioning Plates Bearing Screws Friction Wheel Rubber di Figure 23 Insert the pin from the shift arm assembly into the friction wheel assembly and hold assembly in position Refer to Figure 22 e Slide the hex shaft through the left side of the housing and through the friction wheel assembly e Insert the hex shaft through the sprocket and the spacer Make certain that the chain engages both the large and the small sprocket NOTE f the sprocket fell from the snow thrower while removing the hex shaft place the sprocket on the hex shaft Position the hex hub of the sprocket toward the friction wheel when sliding the sprocket on to the hex shaft See Figure 24 e Secure with the bell washer and hex bolt removed ho N Y earlier J y e Secure the frame cover with six self tapping Sprocket o screws Put the snow thrower down to its normal operating position NOTE f you placed plastic film under the gas cap be certain to remove it di Sprockat XA Spacer Figure 24 SECTION 8 OFF SEASON STORAGE Remove all debris from the exterior of equipment WARNING Never store engine with fuel in Follow lubrication recommendations on page
32. omponents thereof are subject to separate terms as follows All normal wear parts or component failures will be covered on the product for a period of 90 days regardless of cause After 90 days but within the two year period normal wear part failures will be covered ONLY IF caused by defects in materials or workmanship of OTHER component parts Normal wear parts and components include but are not limited to batteries belts blades blade adapters grass bags rider deck wheels seats snow thrower skid shoes shave plates auger spiral rubber and tires HOW TO OBTAIN SERVICE Warranty service is available WITH PROOF OF PURCHASE through your local authorized service dealer To locate the dealer in your area check your Yellow Pages or contact MTD LLC at P O Box 361131 Cleveland Ohio 44136 0019 or call 1 800 800 7310 or log on to our Web site at www mtdproducts com This limited warranty does not provide coverage in the following cases a The engine or component parts thereof These items carry a separate manufacturer s warranty Refer to applicable manufacturer s warranty for terms and conditions b Log splitter pumps valves and cylinders have a sepa rate one year warranty C Routine maintenance items 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 MTD LLC does not extend any warra
33. ons may not apply to you In no event shall recovery of any kind be greater than the amount of the purchase price of the product sold Alteration of safety features of the product shall void this warranty You assume the risk and liability for loss damage or injury to you and your property and or to others and their property arising out of the misuse or inability to use the product This limited warranty shall not extend to anyone other than the original purchaser or to the person for whom it was purchased as a gift HOW STATE LAW RELATES TO THIS WARRANTY This limited warranty gives you specific legal rights and you may also have other rights which vary from state to state IMPORTANT Owner must present Original Proof of Purchase to obtain warranty coverage MTD LLC P 0 BOX 361131 CLEVELAND OHIO 44136 0019 Phone 1 800 800 7310
34. ore these safely until needed i A Shear Bolts Hex Lock 7 Nuts Figure 1 IMPORTANT NEVER replace the auger shear bolts with standard hex bolts Any damage to the auger gearbox or other components from using standard bolts will not be covered by your snow thrower s warranty Items Required For Assembly 1 Pairofpliers 2 Engine oil 3 Fresh gasoline Before Assembly e Disconnect spark plug wire and ground it against the engine to prevent unintended starting NOTE All references in this manual to the left or right side of the snow thrower is from the operating position only Exceptions if any will be specified Assembling Handle e Remove the lower plastic wing nut cupped washer and carriage bolt from each side of the lower handle See Figure 2 e Raise the upper handle assembly until it locks over the lower handle e Look at the lower rear of the snow thrower frame to be sure all the cables are aligned with the cable roller guides Make sure the spring found at the end of each cable is attached to its actuator bracket Upper Handle Steering Cable Tighten these Wing Nuts Lower Handle Shift Rod Connector Upper Shift Rod NOTE Support Tubes are omitted from the illustration for clarity Figure 2 e Secure the upper handle and lower handle with the two plastic wing nuts cupped washers and carriage bolts previously removed Attach these hardware on the lower hole in
35. over engine pulley Insert ferrule on auger idler rod into bracket assembly and secure with flat washer and cotter pin Reassemble the large shoulder bolt and lock washer Refer to Figure 19 Reassemble belt cover and chute crank Changing Friction Wheel Rubber The rubber on the friction wheel is subject to wear and should be checked after the first 25 hours of operation and periodically thereafter Replace the friction wheel rubber if any signs of wear or cracking are found Drain the gasoline from the snow thrower or place a piece of plastic under the gas cap Tip the snow thrower up and forward so that it rests on the housing Remove six screws from the frame cover underneath the snow thrower Remove the left wheel from the axle Using a 7 8 wrench hold the hex shaft and remove the hex bolts and cupped washer and bearing from left side of the frame Refer to Figure 11 Holding the friction wheel assembly slide the hex shaft out of the left side of the unit The spacer on the right side of the hex shaft will fall and the sprocket should remain hanging lose in the chain See Figure 22 Shift Arm Assembly OOO 2 Es SIN awe Syn y Br AVAN Z LAN sow Figure 22 Lift the friction wheel assembly out between the axle shaft and the drive shaft assemblies Remove four screws securing the friction wheel rubber between the friction wheel plates See Figure 23 Discard
36. prockets gears bearings shafts and the shifting mechanism at least once a season Use engine oil or a spray lubricant Refer to Figure 11 IMPORTANT Avoid spillage of oil on rubber friction wheel and aluminum drive plate Gear Shaft e Lubricate the gear shaft with 6 in 1 grease part number 737 0170 at least once a season or after every 25 hours of operation Refer to Figure 11 IMPORTANT Keep all grease and oil off the rubber friction wheel and drive plate Gear Case The gear case is lubricated with grease at the factory and it does not require checking e If disassembled for any reason lubricate with 2 ounces of Shell Alvania grease EPROO part number 737 0168 Before reassembling remove old sealant and apply new sealant IMPORTANT Do not overfill the gear case since damage to the seals could result Be sure the vent plug is free of grease in order to relieve pressure Auger Shaft Atleast once a season remove the shear bolts from the auger shaft and spray lubricant inside the shaft See Figure 13 Vent Plug BA Shear Bolts DI Bearin Figure 13 Engine Refer to the engine manual for instructions Discharge Chute The base of the discharge chute and the spirals on the chute crank should be lubricated at least every 25 hours of use Apply the lubricant under the base of the chute and where the spirals contact the discharg
37. pt to turn the key Chute Clean Out Tool The chute clean out tool is designed to clear a clogged discharge chute Refer to page 11 for instructions on how to properly use it WARNING Never use your hand to clear a clogged discharge chute Shut off engine and remain behind handles until all moving parts have stopped before unclogging SECTION 4 OPERATING YOUR SNOW THROWER Before Starting Read and understand all instructions and warnings on the machine and in this manual before operating Gas amp Oil Fill Up e Service the engine with gasoline and oil as instructed in the engine manual shipped with the snow thrower WARNING Use extreme care when handling gasoline Gasoline is extremely flammable and the vapors are explosive Never fuel machine indoors or while the engine is hot or running Extinguish cigarettes cigars pipes an other sources of ignition Aplastic cap is provided inside the fuel fill opening on the fuel tank Remove and discard this cap before filling up the tank Use the proper fuel tank cap to close after fill up we WU To Start Engine NOTE f unit shows any sign of motion drive or augers with the clutch grips disengaged shut engine off immediately Readjust as instructed in the Final Adjustments in the Assembly Section Attach spark plug wire to spark plug Make certain the auger and drive clutch levers are in the disengaged released position e Move throttle control up to FAST
38. rd hex bolts Any damage to the auger gearbox or other components as a result of doing so will NOT be covered by your snow thrower s warranty Shave Plate and Skid Shoes The shave plate and skid shoes on the bottom of the snow thrower are subject to wear These should be checked periodically and replaced when necessary NOTE The skid shoes on this machine have two wear edges When one side wears out they can be rotated 180 to use the other edge Shear Bolts BO DS 4 O X Washer Carriage Bolt Shave Hex Nut Plate Figure 16 e Remove the six carriage bolts belleville washers and hex nuts which attach two skid shoes to the snow thrower on two sides See Figure 12 e Reassemble new skid shoes with the hardware removed earlier cupped side of belleville washer against the skid shoes Make certain the skid shoes are adjusted to be level e To remove the shave plate remove the carriage bolts belleville washers and hex nuts which attach shave plate to the snow thrower housing See Figure 16 e Reassemble the new shave plate with heads of carriage bolts to the inside of the housing Tighten securely Replacing Belts Disconnect the chute crank assembly at the discharge chute end by removing the hairpin clip and the two flat washers Remove the plastic belt cover located near the engine by removing
39. stment 3 Refer to Final Adjustments in Assembly Section 4 Auger belt loose or damaged 4 Refer to Adjustments 5 Shear bolt s sheared 5 Replace shear bolt s NOTE For repairs beyond minor adjustments listed above contact the local dealer 18 SECTION 10 PARTS LIST FOR MODEL 9931 n Part No Description f 710 0276 Carriage Screw 2 710 0458 Carriage Bolt 5 16 18 x 1 75 3 710 0805 Hex Bolt 5 16 18 x 1 5 4 710 0895 Hi Lo Screw 1 4 14 x 75 5 710 3015 Hex Screw 1 4 20 x 75 6 712 0429 Hex Lock Nut 7 712 3027 Hex Flange Lock Nut 8 731 0846C Upper Chute 9 731 0851A Chute Flange Keeper 10 731 1313C Cable Guide Chute Tilt 11 731 0903D Lower Chute 12 784 5680 Handle Suppt Bracket 5 8 RH 13 736 0159 5 16 Washer 14 736 0231 Flat Washer 15 736 0506 Special Washer 16 746 0902 Chute Control Cable 17 746 0903 Chute Cable w Clip 18 784 5594 Cable Bracket 19 784 5604 Chute Tilt Handle 20 684 0102 Handle Panel Assembly w Tilt 21 710 0459A Hex Bolt 3 8 24 x 1 5 22 710 0599 TT Screw 1 4 20 x 0 5 23 711 0653 Clevis Pin 24 712 0116 Jam Nut 25 784 5682 Handle Suppt Bracket 3 8 RH 26 714 0104 Cotter Pin 27 732 0145 Spring 28 732 0193 Spring 29 732 0746 Torsion Spring 30 735 0199A Rubber Bumper 31 736 0105 Bell Washer 32 784 5681 Handle Suppt Bracket 3 8 LH 33 736 0509 Special Washer 34 747 0877 Cam Rod 35 748 0362 Cam Handle Lock 36 748 0363 Pawl Han
40. the handles See Figure 2 e Tighten the two wing nuts already in place on the upper holes and secure the handles firmly Slide the shift rod connector down over the end of the lower shift rod Tap the connector until it locks over the lower shift rod See Figure 2 NOTE f the connector is not properly assembled the shift rod will pivot and you will not be able to change speeds or direction of movement Attaching Chute Crank Remove the hairpin clip from the upper chute crank and slide the upper chute crank through the upper chute crank bracket and into the lower chute crank A pair of pliers may help in this job Align the two holes on both chute cranks and insert the hairpin clip removed earlier through these holes See Figure 3 Upper Chute Crank pr Chute A Crank Bracket N arpin Clip Lower Chute Crank Figure 3 e f not already attached slip the cables that run from the handle panel to the discharge chute into the cable guide located on top of the engine See Figure 4 Cable Figure 4 Unwrap the headlight wire which is attached to the headlight beneath the handle panel Wind the headlight wire around the lower right handle until excess slack is removed See Figure 5 e Plug the wire from the headlight into the alternator lead coming from the right side of the engine underneath the fuel tank Alternator Lead Alternator Lead NOTE Wheels are omitted from illustration
41. the three self tapping screws and flat washers that secure it See Figure 17 Hairpin Flat Belt Cover Clip Washers Belt Cover Bolts 3 Upper Bolt remove Support Tube Bolt Shoulder Bolt do not remove Figure 17 Remove the large shoulder bolt and washer on the left hand side of the engine pulley See Figure 17 Auger Belt Remove the hairpin clip and flat washer from the ferrule in order to disconnect the auger idler rod from the brake bracket assembly See Figure 17 Engine Pulley Shoulder Bolt J gt gt Figure 18 e Slip the auger control belt the front belt off the engine pulley See Figure 19 e Pull the brake bracket assembly towards the cable guide roller and unhook the auger cable Z fitting Auger Control Auger Idler a Al TON Belt Brake Bracket Assembly Cable Roller Z Fitting Guide Figure 19 e Remove the upper bolts and lock washers which attach the auger housing assembly to the frame assembly using a 9 16 wrench Refer to Figure 17 e Separate auger housing from the frame by tilting the housing forward and pulling up the handles Using a 1 2 wrench remove the hex screw and belleville washer from the center of the pulley on the auger housing Lift the brake bracket assembly out of the pulley groove and remove the pulley See Figure 20 Be careful not to lose the key Remove and replace auger belt inside belt keepers e Reassemble pulle
42. torage vii iaia 17 Troubleshootingi 1 reliable aa 18 Pans ISE vii eri iena 19 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 Model Number Serial Number Copy the model number here Copy the serial number here YaRD MaN 3 s0 61131 CLEVELAND OH 44136 www yardman com 330 220 4683 800 800 7310 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 wit
43. ts release starter button and move choke gradually to OFF If engine falters move choke immediately to FULL and then gradually to OFF e When disconnecting the power cord always unplug from the three prong receptacle first and then from the snow thrower Recoil Starter e Rotate choke knob 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 If engine is warm push primer button once only Always cover vent hole in primer button when pushing At temperatures below 15 F additional priming may be necessary e Grasp starter handle and pull rope out slowly until it pulls slightly harder Let rope rewind slowly e Pull starter handle rapidly Do not allow handle to snap back Allow it to rewind slowly while keeping a firm hold on the starter handle e Repeat the previous steps until engine starts w Stop Engine Run engine for a few minutes before stopping to help dry off any moisture on the engine e To prevent possible freeze up of starter Electric Starter Connect power cord to switch box on engine then to 120 volt AC receptacle With the engine running push starter button and spin the starter for several seconds The unusual sound made by spinning the starter will not harm engine or starter Disconnect the power cord from recepta cle first and then from switch box Recoil Starter With engine running pull starter rope with
44. y to auger housing with hex screw and belleville washer cupped side toward the pulley Make sure key is in place on shaft and brake puck is seated in the pulley groove e Reassemble belt cover and chute directional control Proper Adjustment With the auger clutch lever in the disengaged position the top surface of the new belt should be even with the outside diameter of the pulley e To adjust disconnect ferrule from brake bracket assembly and thread ferrule in towards idler to increase tension on belt and out to decrease tension NOTE The brake puck must always be firmly seated in the pulley groove when auger control is disengaged Brake Bracket Assembly Auger Belt Idler Pulley 2 74 on Q o Belt lt Auger Keepers y Pulley Hex Screw Belleville Washer Figure 20 Drive Belt Unhook the extension spring from the belt cover plate See Figure 21 Remove drive belt from the engine pulley and bottom drive pulley Replace belt and reassemble in reverse order Reassemble the two halves of the unit hooking the lower portion of the auger housing over the stationary shoulder bolts in the frame assembly Belt Cover Extension Spring Drive Belt Figure 21 Secure the two halves with the two bolts and lock washers removed earlier Attach the Z fitting of the cable into the brake bracket assembly Refer to Figure 19 Slip the auger control belt
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